Comparison

FastBit vs EatWindow

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

Head to head
About

FastBit

Read full description

The FastBit is a native iOS app, helping you track your fasting. With predefined fasting ranges and the custom range, you are able to tailor your strategy to your very needs. Please be aware that fasting can be a very powerful tool with the potential to improve your health, but always consult your intentions with a medical professional. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms & Conditions: https://fastbit.app/terms.html Privacy Policy: https://fastbit.app/privacy.html

About

EatWindow

Features
Read full description

EatWindow makes intermittent fasting simple, structured, and consistent. Track your eating windows, move through fasting phases with clarity, and stay motivated by your progress over time. No stress, no guesswork β€” just rhythm, control, and results that last. Features: β€’ Smart fasting timers β€’ Real-time fasting phases β€’ Detailed statistics β€’ Full fasting history β€’ Progress/ phase insights β€’ Minimal, modern design Whether you’re fasting for weight loss, energy, routine, or self-discipline β€” EatWindow gives you the guidance and structure to stay on track. Start building the habit. Stay consistent. See real results. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://eatwindow.com/privacy-policy

Screenshots

FastBit4 screens
EatWindow4 screens

Verdict

The call

The clearest difference is in-app purchases: FastBit at none against EatWindow's 3. On price, update cadence, ads 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. EatWindow sells 3 in-app purchases, starting at $1.99 per month. FastBit asks for nothing beyond the download.

UpkeepUpdate frequency

FastBit ships an update every 8 months, EatWindow every 4 months. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

Scorecard1 real difference Β· 5 level
FastBit versus EatWindow: the parameters behind the verdict, then further details
ParameterFastBitEatWindow
PriceFreeFree
Update frequencyEvery 8 monthsEvery 4 months β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, Apple Watch β€” betteriPhone
Requires iOS17.617.6
Further details β€” not scored
Size2 MB18 MB
Age rating4+4+
DeveloperMartin StanekDustin Bel

In-app purchases

None

FastBit

No in-app purchases

3 purchases

EatWindow

Subscriptions2
  • Premium - Monthly3 Days trial$1.991 Month
  • Premium - Yearly3 Days trial$7.991 Year
One-time1
  • Premium - liftetime$12.99

Questions

Is FastBit free?
FastBit is free to download, with no in-app purchases.
Is EatWindow free?
EatWindow is free to download, with in-app purchases available.
Do FastBit or EatWindow have ads?
Neither FastBit nor EatWindow shows ads.
Which is updated more often, FastBit or EatWindow?
FastBit ships an update every 8 months, and EatWindow every 4 months. Most recently, FastBit was updated on October 1, 2026 and EatWindow on October 8, 2026.

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