Comparison

AirFish vs Cat Hourglass

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

AirFish

Features
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Air Fish "is a self disciplined and focused learning timer from Tomato Clock, a healing companion that does not rush or judge. We believe that truly sustainable focus, It should be as natural as breathing, as quiet and immersive as fishing. Focus, will be gently remembered! When you focus quietly for a period of time, Ripples appeared on the water surface, and a small fish quietly appeared. It's not a reward, But rather a proof of your existence during this period. Every fish, They all record the days you have passed. Fish pond is a bookmark of time Your fish pond is not a warehouse, But rather pieces of time that are cherished. The period of preparing for exams, the quiet night after work, a stage of hard work and exhaustion They are all swimming quietly in the water. It's okay if it's not perfect In 'Air Fishing', interruption is not a failure, time will not reset, and the fish will not disappear. You can come back anytime, everything is still there. What we have prepared for you is just the right companionship Flexible tomato clock and focused timing settings Immersive white noise and environmental sound Clear but non pressure focused record Interactive Healing Aquarium Multi device synchronization ensures progress is not lost Everything has been simplified, leaving only a quiet, user-friendly, and burden free experience. Give focus a little tenderness If you are tired of self-discipline, persistence, and efficiency, If you just want to quietly do something wellβ€”β€” Welcome to 'Air Fishing'. There is no countdown pressure here, only a clear stream of water, And a group of small fish slowly appearing because of your focus. You don't need to force yourself, just take it slow. Experience stress free self-discipline, making every focus a pleasant harvest. Introduction to the "Air Fishing" function: [Fishing] Choose what you want to focus on: studying, working, reading, writing, programming, exercising, meditation, or other activities, or choose to customize and set the duration of your focus to quickly start a focused plan. 【 Catalog 】 After completing each focus, you can receive the fish we reward you with. Collect ordinary, rare, epic, and legendary fish that belong to you, and you can view the encyclopedia introduction of each fish or share your own fish card; Fish pond: Every time you focus on catching fish, you can put them into the pond for free range. You can click on the fish to play with or feed them. Cleaning the fish tank is one of the daily tasks you need to do. 【 Data 】 Provides a timeline for all your focused tasks, and uses a data table to tell you where the time you spend each day is, full of a sense of achievement! My achievement is to complete every focused check-in, with records kept every time. Achievement is your badge of hard work! Take a break and relax appropriately, giving yourself time to take deep breaths, just to better tackle the next challenge! 【 Focus Goals 】 You can operate focus goals in my app, create each focus goal that belongs to you, and break them down into small goals. This way, every time you complete a check-in, you will feel a sense of achievement. I believe that all big things are gradually accumulated from small things. Important Days "can record all your important day information, and of course, you can also set a countdown, such as exam countdown, holiday countdown, and we will also tell you the time of the recent holidays. More fish, more features, gradually developed and launched, please look forward to it! Experience relaxed self-discipline and turn focus into a collectible pleasure. Install now and embark on your efficient healing journey. If you have any good ideas or suggestions for our product, please feel free to contact us quickly. Customer service email: ikefu@qq.com

About

Cat Hourglass

Features
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Turn focused time into small rewards with a little cat companion. Choose one of four illustrated hourglasses for a countdown, or use a count-up timer where steady drops slowly shape a stone. Earn fish from completed focus sessions and exchange them for rewards you choose. β€’ Custom tasks, session lengths and personal rewards β€’ Four hourglasses, a dripping stone and long-term achievement badges β€’ Statistics from real sessions, task distribution and a movable fish jar β€’ Focus sessions and records shared between iPhone and Apple Watch β€’ Optional Screen Time restrictions, phone-rest detection and wrist-flip controls β€’ Multiple languages; light and dark appearances Sign in with Apple is required on first use. Afterwards, local timers and records work offline; this app’s tasks, records and reward ledger sync when connected. Phone-rest detection and wrist gestures require foreground sensor sampling. Basic timers and records are free. Premium unlocks additional hourglasses, advanced statistics, all widgets, task categories and Night Owl mode. Choose an auto-renewing annual subscription or a one-time lifetime purchase. Prices are shown in the app. Restore purchases from the membership page. Cancel annual renewal in Apple subscription settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

AirFish4 screens
Cat Hourglass4 screens

Verdict

The call

The clearest difference is update cadence: Cat Hourglass at every 2 days against AirFish's every 2 weeks. AirFish's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. AirFish sells 3 in-app purchases, starting at $0.99 per month and Cat Hourglass sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AirFish ships an update every 2 weeks, Cat Hourglass every 2 days. The most recent releases landed on October 8, 2026 and October 21, 2026 respectively.

Scorecard2 real differences Β· 4 level
AirFish versus Cat Hourglass: the parameters behind the verdict, then further details
ParameterAirFishCat Hourglass
PriceFreeFree
Update frequencyEvery 2 weeksEvery 2 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS13.0 β€” better17.0
Further details β€” not scored
Size84 MB153 MB
Age rating9+4+
DeveloperεŽ¦ι—¨ζ™“δ»“η§‘ζŠ€ζœ‰ι™ε…¬εΈQUN LIN

In-app purchases

3 purchases

AirFish

Subscriptions3
  • εŒ…ζœˆδΌšε‘˜$0.991 Month
  • εŒ…ε­£δΌšε‘˜$2.993 Months
  • εŒ…εΉ΄δΌšε‘˜$4.991 Year
2 purchases

Cat Hourglass

Subscriptions1
  • Annual Premium$9.991 Year
One-time1
  • Cat Hourglass Lifetime$24.99

Questions

Is AirFish free?
AirFish is free to download, with in-app purchases available.
Is Cat Hourglass free?
Cat Hourglass is free to download, with in-app purchases available.
Do AirFish or Cat Hourglass have ads?
Neither AirFish nor Cat Hourglass shows ads.
Which is updated more often, AirFish or Cat Hourglass?
AirFish ships an update every 2 weeks, and Cat Hourglass every 2 days. Most recently, AirFish was updated on October 8, 2026 and Cat Hourglass on October 21, 2026.

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