# No Sugar Challenge vs Fasting Mastery

The clearest difference is update cadence: Fasting Mastery at every 5 days against No Sugar Challenge's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. No Sugar Challenge sells 3 in-app purchases, starting at $2.99 per 7 days and Fasting Mastery sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

No Sugar Challenge ships an update fortnightly, Fasting Mastery every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | No Sugar Challenge | Fasting Mastery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 60 MB | 45 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Thomas Ferrer](https://appshunter.io/developer/1801518132) | [Yasiru Abeygunawardana](https://appshunter.io/developer/1886383088) |

## What reviewers say

### No Sugar Challenge

[App page](https://appshunter.io/ios/app/no-sugar-challenge-detox-app/id6756811256)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscribtion | $2.99 | per 7 days |
| monthly subscribtion | $7.99 | per month |
| yearly subscribtion | $39.99 | per year |


### Fasting Mastery

[App page](https://appshunter.io/ios/app/fasting-mastery/id6760818321)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Quarterly | $2.99 | per 3 months |
| Annual | $9.99 | per year |


## Frequently asked questions

### Is No Sugar Challenge free?

No Sugar Challenge is free to download, with in-app purchases available.

### Is Fasting Mastery free?

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

### Do No Sugar Challenge or Fasting Mastery have ads?

Neither No Sugar Challenge nor Fasting Mastery shows ads.

### Which is updated more often, No Sugar Challenge or Fasting Mastery?

No Sugar Challenge ships an update fortnightly, and Fasting Mastery every 5 days. Most recently, No Sugar Challenge was updated on October 31, 2026 and Fasting Mastery on October 31, 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.*