# Window vs Autriv

The clearest difference is update cadence: Autriv at every 4 days against Window's monthly. Window's advantage is device support (4 vs 2). On price, ads, in-app purchases 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 and Autriv sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Window ships an update monthly, Autriv every 4 days. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Window | Autriv |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 131 MB | 118 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Mosaic S.r.l.](https://appshunter.io/developer/570748343) | [Jackson Hemopo](https://appshunter.io/developer/1829377008) |

## 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


### Autriv

[App page](https://appshunter.io/ios/app/autriv/id6757311791)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Autriv Premium | $4.99 | per month |


## Frequently asked questions

### Is Window free?

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

### Is Autriv free?

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

### Do Window or Autriv have ads?

Neither Window nor Autriv shows ads.

### Which is updated more often, Window or Autriv?

Window ships an update monthly, and Autriv every 4 days. Most recently, Window was updated on November 1, 2026 and Autriv on October 25, 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.*