If your cat needs tighter portion control, a smart feeder can make mealtimes simpler and more consistent. The best models help prevent overeating, reduce begging, and keep feeding schedules on track.
This roundup of automatic cat feeders for cats on diets focuses on portion accuracy, locking features, app controls, and multi-cat support so you can choose a feeder that fits your routine.
Best 10 Automatic Cat Feeders for Cats on Diets Picks for 2026
Selective Access Feeder
- Microchip/RFID access prevents food stealing.
- Works with wet or dry food.
- Seals to help keep meals fresher.
Best For: Cats on prescription diets in multi-pet homes
Dual-Bowl Portion Control
- App control with 5G/2.4G Wi-Fi.
- Two bowls get equal portions.
- 5L tank suits two cats for about 10 days.
Best For: Two cats on diets or households with food stealing
Programmable Portion Scheduler
PetSafe Healthy Pet Simply Feed
- Up to 12 meals per day.
- Portions from 1/8 cup to 4 cups.
- Slow-release mode helps fast eaters.
Best For: Cats needing strict meal timing and controlled portions
Intake-Tracking Smart Feeder
PETLIBRO Granary 2 Smart Feeder
- Built-in scale tracks actual intake.
- App logs meals and feeding frequency.
- Low-food and no-eating alerts.
Best For: Cats on diets that need close intake monitoring
RFID Personalized Feeding
HoneyGuaridan RFID Automatic Cat Feeder
- RFID collar tag opens the lid for the right cat only
- 4.6L capacity with sealed storage for dry food freshness
- App scheduling and feeding logs support diet control
Best For: Multi-cat homes needing personalized meal access
App Portion Control
oneisall Wi-Fi Automatic Cat Feeder
- Set 1-10 meals per day with 1-36 portions per meal
- 2.4GHz app control works on iOS and Android
- Battery backup helps maintain feeding during outages
Best For: Owners who want easy portion control for weight management
RFID Diet Tracking
PETLIBRO RFID Automatic Cat Feeder
- RFID collar tag limits access to the assigned cat
- App tracks eating habits, portions, and mealtimes
- Dual-band Wi-Fi plus battery backup improve reliability
Best For: Multi-cat homes needing individualized feeding and tracking
Personalized Diet Tracking
- RFID access keeps meals tied to the right cat
- App logs who ate what, when, and how much
- Supports scheduled portions with freshness protection
Best For: Multi-cat diet management with detailed feeding records
Selective Access Feeder – SureFeed Microchip Pet Feeder
If you’re comparing automatic cat feeders for cats on diets, this selective feeder is built for households where one pet needs controlled access to food. It opens only for the assigned microchip ID or RFID tag, helping keep prescription meals protected and portions from being stolen.
Best For: Multi-pet homes, prescription diets, and cats that need private, controlled access to their meals.
Pros:
- Microchip or RFID access helps prevent food stealing at mealtimes.
- Works with wet or dry food and holds up to 13.5 fl. oz.
- Lid seals with a neoprene lip to help retain moisture and keep food fresher longer.
- Simple one-button programming and a 3-year warranty add convenience.
Cons:
- Designed for one feeder per pet, so it may not be ideal for shared feeding setups.
- Requires compatible microchip numbers or a collar tag for access.
- Smaller capacity than bulk-style feeders.
This is a strong pick when the main goal is enforcing meal access rather than just dispensing food on a timer. For diet control in multi-pet homes, its selective opening design is the real advantage.
Dual-Bowl Portion Control – oneisall 5G WiFi Cat Feeder
For automatic cat feeders for cats on diets, this one focuses on fair portioning and remote scheduling for two cats. It supports 5G and 2.4G Wi-Fi, lets you set feeding plans from the app, and delivers the same measured amount to each bowl.
Best For: Two-cat households, overweight cats, and owners who want app-based portion control.
Pros:
- Precise portion control delivers about 10 grams per portion.
- Two stainless bowls dispense the same amount of food to each cat.
- 5G/2.4G Wi-Fi and app control make scheduling and manual feeding easy.
- 5L capacity can feed two adult cats for up to 10 days.
Cons:
- Designed for dry food only and kibble must be under 0.5 inch.
- Corded electric power means it needs an outlet.
- Best suited to two cats rather than larger multi-pet setups.
This feeder is especially useful when you need equal portions and predictable schedules for dieting cats. The combination of app control and dual bowls makes it a practical everyday option.
Programmable Portion Scheduler – PetSafe Healthy Pet Simply Feed
When shopping for automatic cat feeders for cats on diets, this programmable model stands out for flexible meal scheduling and portion sizes. It can serve up to 12 meals per day and offers a slow-release mode for cats that eat too quickly.
Best For: Cats that need strict meal timing, smaller portions, or slower dispensing to prevent overeating.
Pros:
- Schedules up to 12 meals per day for structured feeding.
- Portions range from 1/8 cup to 4 cups per meal.
- Slow release mode can dispense larger meals gradually over 15 minutes.
- Dishwasher-safe food contact parts make cleanup easier.
Cons:
- D-cell batteries are not included if you use battery power.
- Wall adaptor is sold separately.
- Does not offer app-based remote control.
This is a solid choice if your priority is reliable scheduling rather than smart features. It’s a straightforward feeder for weight management and portion consistency.
Intake-Tracking Smart Feeder – PETLIBRO Granary 2 Smart Feeder
If you want automatic cat feeders for cats on diets with more insight into actual eating habits, this PETLIBRO model adds a built-in scale and app tracking. It measures food in the bowl with gram-level accuracy, logs intake, and can alert you if your cat hasn’t eaten for 24 hours.
Best For: Diet monitoring, remote feeding, and owners who want detailed intake tracking.
Pros:
- Built-in scale measures bowl food with gram-level accuracy.
- Tracks intake, meal frequency, and feeding behavior in the app.
- Supports up to 10 meals per day with remote control.
- Low-food and no-eating alerts help you stay informed.
Cons:
- Relies on Wi-Fi and corded power for normal operation.
- Best suited to dry food rather than wet meals.
- Advanced features may be more than some buyers need.
This feeder is a strong match if your cat’s diet needs close monitoring, not just timed dispensing. The intake data and alerts make it especially useful for weight-management routines.
RFID Personalized Feeding – HoneyGuaridan RFID Automatic Cat Feeder
If you need one of the more specialized automatic cat feeders for cats on diets, this HoneyGuaridan model is built around selective access. Its RFID collar-tag system opens the lid only for the assigned cat, which helps keep food separate in multi-pet homes and makes scheduled feeding more reliable for weight control or medication routines.
Best For: Multi-cat households that need personalized, controlled meals for diet management.
Pros:
- RFID collar tag access helps prevent food theft and keeps meals assigned to the right cat.
- App scheduling supports different feeding plans for each day of the week.
- Dual-band Wi-Fi plus feeding logs make remote monitoring easier.
- Large 4.6L capacity and sealed storage help keep dry food fresh.
Cons:
- Uses collar tags rather than microchip recognition.
- AA batteries are not included, and battery-only mode disables Wi-Fi app control.
- Includes one collar tag, so extra cats need a compatible additional tag.
Overall, this is a strong pick when the main goal is keeping one cat from eating another cat’s food. The RFID lock, app scheduling, and freshness-focused storage make it especially practical for diet-sensitive feeding routines.
App Portion Control – oneisall Wi-Fi Automatic Cat Feeder
For shoppers comparing automatic cat feeders for cats on diets, this oneisall feeder focuses on portion accuracy and easy app control. You can set multiple meals per day and fine-tune portions through the app, which is useful when you want to slow down eating or keep calorie intake consistent without constant manual measuring.
Best For: Cat owners who want simple app-based portion control for weight management.
Pros:
- Lets you schedule 1-10 meals per day with 1-36 portions per meal through the app.
- 2.4GHz Wi-Fi app control works with iOS and Android.
- 15-cup capacity can cover about 15 days for one adult cat.
- Battery backup keeps scheduled feeding going during power outages.
Cons:
- Battery mode disables Wi-Fi, app functions, and feeding logs.
- Requires 4 Type-A batteries, which are not included.
- Designed for dry food only.
This is a practical choice if you want straightforward portion management without extra complexity. It gives you flexible scheduling and backup power, making it a solid everyday feeder for controlled feeding plans.
RFID Diet Tracking – PETLIBRO RFID Automatic Cat Feeder
This PETLIBRO model is a smart option if you’re shopping for automatic cat feeders for cats on diets and want both access control and tracking. The RFID collar tag keeps other pets out of the bowl, while the app can monitor eating habits and portion sizes so you can stay closer to a structured feeding plan.
Best For: Multi-pet homes that need individualized feeding and diet tracking.
Pros:
- RFID collar tag lets only the designated cat access the feeder.
- App tracking shows who ate, when, and how much.
- Dual-band Wi-Fi supports stable remote access and alerts.
- Backup battery power helps maintain feeding during outages.
Cons:
- Only works with the provided collar tag, not microchips.
- The feeder base and RFID reader should not be washed with water.
- 3L capacity is smaller than some larger feeders.
For homes where food stealing or mixed diets are a problem, this feeder brings useful control and visibility. Its personalized access and diet monitoring features make it one of the more targeted options for managing separate feeding needs.
Smart Feeding & Camera Control – Automatic Cat Feeder with 2K Camera
If you’re comparing automatic cat feeders for cats on diets, this model stands out for portion control plus feeding logs. It can schedule up to 10 meals per day with up to 15 portions per meal, and the app records both what was dispensed and what was actually eaten, making it easier to stay consistent.
Best For: Owners who want precise diet control, remote monitoring, and a camera feed to track meals.
Pros:
- Schedules up to 10 meals per day with portion-based control.
- Feeding log shows what was dispensed and eaten in the app.
- 2K camera with 145° wide-angle lens and night vision.
- Dual-band 5G/2.4G WiFi plus two-way audio and custom meal calls.
Cons:
- Designed for dry food only.
- Advanced camera and AI features may be more than some buyers need.
- App-based setup and controls may feel complex if you want a simple feeder.
For households focused on tighter routine control, this feeder combines scheduled portions, visual confirmation, and app access in one package. The large 6.5L tank, anti-tip lock, and battery backup also help keep meals on track.
RFID Lockout Feeder – HEAPETS Collar Sensor Feeder
For automatic cat feeders for cats on diets in multi-pet homes, this HEAPETS model focuses on access control rather than timed dispensing. The RFID collar sensor opens only for the paired pet, which helps stop food stealing and makes it easier to keep prescription or weight-management meals separate.
Best For: Multi-pet homes that need one cat to access specific food without interference from others.
Pros:
- RFID collar sensor opens the lid only for the paired pet.
- Helps prevent food stealing and supports different diets.
- Suitable for dry food and short-term wet food use.
- Sealed lid and retractable bowl help keep food protected between meals.
Cons:
- Uses the included collar sensor only; microchip recognition is not supported.
- Wet food should not be left inside for extended periods.
- Does not offer app-based scheduling or diet logs.
This feeder is a practical choice if your main problem is keeping one pet out of another cat’s bowl. Its simple interface and automatic lid make it straightforward to use while protecting specialized diets.
Personalized Diet Tracking – PETLIBRO RFID Smart Feeder
If you want automatic cat feeders for cats on diets with more tracking built in, this PETLIBRO model adds individualized access and feeding history. The RFID tag unlocks the bowl for the right cat, while the app shows who ate what, when, and how much so you can monitor routines more closely.
Best For: Owners managing multiple cats with different diets, weights, or medication needs.
Pros:
- RFID collar tag unlocks the feeder for the intended cat.
- App-based diet tracking logs who ate what, when, and how much.
- Supports up to 10 meals per day with portion control.
- 5-layer freshness protection helps keep kibble sealed and dry.
Cons:
- Only works with the included RFID collar tag, not a microchip.
- 3L capacity is smaller than some large-hopper feeders.
- Designed for dry food use only.
This is a strong pick if tracking matters as much as access control. The combination of individualized entry, app logs, and stable dual-band Wi-Fi makes it easier to stay consistent with a diet plan at home.
How We Picked the Best Automatic Cat Feeders for Cats on Diets
We focused on feeders that are practical for weight management, not just convenience. That means looking at programmable portions, reliable scheduling, food capacity, anti-tamper design, app-based tracking, and selective feeding options for multi-cat homes.
For Automatic Cat Feeders for Cats on Diets, consistency matters more than extra features. We prioritized models that help you deliver the same amount at the same time every day with minimal guesswork.
Quick Comparison
Choose a basic programmable feeder if you want straightforward portion control and a low-maintenance setup. Pick a Wi-Fi or app-connected model if you want remote schedule changes, feeding logs, or alerts. RFID and microchip feeders are the best fit when one cat needs a diet and another does not.
Key Buying Factors for Automatic Cat Feeders for Cats on Diets
Portion Control and Accuracy
Look for feeders that let you set small, repeatable servings. If your cat is on a weight-loss plan, the ability to fine-tune meal sizes is more important than large capacity.
Selective Access
In homes with multiple cats, a feeder that recognizes a collar tag or microchip can stop food stealing and keep each cat on the right plan.
Schedule Flexibility
Some cats do better with several small meals per day. Make sure the feeder can handle the timing you want without losing accuracy.
Tracking and Alerts
App controls, food-level alerts, and intake logs can help you spot changes early and keep diet routines consistent. These are especially useful if you travel or work irregular hours.
Food Type and Hopper Design
Check whether the feeder supports the kibble size and diet type you use. A sealed hopper and secure lid can also help preserve freshness and reduce snacking outside meal times.
Who Should Buy Which Automatic Cat Feeders for Cats on Diets?
If you want simple and affordable portion scheduling, choose a basic programmable feeder. If you manage multiple cats with different diets, go with RFID or microchip recognition. If you want remote control and feeding logs, an app-connected smart feeder is the most convenient choice.
For most Automatic Cat Feeders for Cats on Diets, the best option is the one you will use consistently every day. Pick the model that matches your feeding routine, your cat’s behavior, and how much control you need over each meal.







