# Window vs Biotrack App

The clearest difference is in-app purchases: Biotrack App at none against Window's 19. Window's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Window sells 16 in-app purchases, starting at $0.49 per year. Biotrack App asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Window | Biotrack App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (11K ratings)](https://appshunter.io/ios/app/window-intermittent-fasting/id1112765909/reviews)** | — |
| Number of ratings | **11K** | — |
| Positive reviews | 22.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | Monthly |
| Monetization | Freemium | — |
| Size | 131 MB | 43 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Mosaic S.r.l.](https://appshunter.io/developer/570748343) | [KARTEGA YAZILIM VE DANISMANLIK ANONIM SIRKETI](https://appshunter.io/developer/1798162703) |

## What reviewers say

### Window

[App page](https://appshunter.io/ios/app/window-intermittent-fasting/id1112765909)

This app helps you adopt an intermittent fasting lifestyle with science-based guidance and personalized recommendations. Track your fasting and eating periods, monitor weight loss goals, and stay hydrated. Access expert insights and challenges to build healthier habits.

**Highlights:** Fasting timer, Weight journal, Water tracker, Personalized fasting programs, Meal plans, Healthy challenges

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Window Premium (1 Year) | $0.49 | per year |
| Window Pro Weekly | $4.99 | per 7 days |
| Window Pro Weekly | $4.99 | per 7 days |
| Window Premium (1 Year) | $11.99 | per year |
| Window Premium (1 Month) | $14.99 | per month |
| Window Premium (3 Months) | $19.99 | per 3 months |
| Window Premium (1 Year) | $24.99 | per year |
| Window Premium (1 Year) | $39.99 | per year |
| Window Premium (1 Year) | $49.99 | per year |
| Window Premium (1 Year) | $49.99 | per year |
| Window Premium (1 Year) | $54.99 | per year |
| Window Premium (1 Year) | $59.99 | per year |
| Window Premium (1 Year) | $69.99 | per year |
| Window Premium (1 Year) | $79.99 | per year |
| Window Premium (1 Year) | $89.99 | per year |
| Window Premium (1 Year) | $99.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 📊 Helpful data tracking
- 🔍 Comprehensive features
- 👍 Flexible fasting options
- 💪 Motivating for fasting

**What reviewers complain about**

- 🐛 Sync issues across devices
- 🕰️ Inconsistent time tracking
- 💰 Expensive subscription
- 🔍 Confusing interface changes
- 🔧 Unreliable app functionality

**Reported bugs**

- Fasting times not accurately recorded
- Data loss and reset issues
- Subscription management problems
- Frequent app crashes and freezes
- Notifications not working as expected

**Requested features**

- Ability to edit fasting/eating times
- Integration with fitness trackers
- More detailed data analysis and reporting
- Customizable fasting plans and reminders
- Better support for longer fasting periods


### Biotrack App

[App page](https://appshunter.io/ios/app/biotrack-app/id6756302917)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Window free?

Window is free to download, with in-app purchases available.

### Is Biotrack App free?

Biotrack App is free to download, with no in-app purchases.

### Do Window or Biotrack App have ads?

Biotrack App shows ads; Window does not.

### Which is updated more often, Window or Biotrack App?

Window ships an update monthly, and Biotrack App monthly. Most recently, Window was updated on October 19, 2026 and Biotrack App on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*