# Fasting vs Aster

The clearest difference is price: Aster at Free against Fasting's $0.99. Fasting's advantage is in-app purchases (none vs 2) and iOS requirement (14.0 vs 17.0). On update cadence, ads and device support there is nothing between them.

Aster is free to download; Fasting costs $0.99 up front. Aster sells 2 in-app purchases, starting at $3.99 per month. Fasting asks for nothing beyond the download.

Fasting ships an update monthly, Aster every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Fasting | Aster |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/fasting-timer/id1493231247/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Christian Kirsch](https://appshunter.io/developer/1493231246) | [Gradatim Pty Ltd](https://appshunter.io/developer/6792458445) |

## What reviewers say

### Fasting

[App page](https://appshunter.io/ios/app/fasting-timer/id1493231247)

Easily track your intermittent fasting periods with this app. Adjust your fasting start and end times with simple drag gestures. All your data is stored locally on your device, ensuring privacy and no account creation is necessary.

**Highlights:** Record fasting times, Adjust start and end times, View and change fasting history, No account required, Local data storage

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

**In-app purchases:** none


### Aster

[App page](https://appshunter.io/ios/app/aster-endometriosis-tracker/id6792458443)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aster Premium Monthly | $3.99 | per month |
| Aster Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is Fasting free?

Fasting costs $0.99, with no in-app purchases.

### Is Aster free?

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

### Do Fasting or Aster have ads?

Neither Fasting nor Aster shows ads.

### Which is updated more often, Fasting or Aster?

Fasting ships an update monthly, and Aster every 3 weeks. Most recently, Fasting was updated on October 29, 2026 and Aster on October 24, 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.*