# Fasto vs Sunfold

The clearest difference is price: Sunfold at Free against Fasto's $2.99. Fasto's advantage is in-app purchases (none vs 3) and update cadence (every 3 days vs every 3 weeks). On ads and iOS requirement there is nothing between them.

Sunfold is free to download; Fasto costs $2.99 up front. Sunfold sells 3 in-app purchases, starting at $2.99 per month. Fasto asks for nothing beyond the download.

Fasto ships an update every 3 days, Sunfold every 3 weeks. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fasto | Sunfold |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Best chart rank | **#172** | — |
| Size | 5 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [RAUL JIMENO MARTINEZ](https://appshunter.io/developer/6783717905) | [Olexandr Zhovnir](https://appshunter.io/developer/6801442223) |

## What reviewers say

### Fasto

[App page](https://appshunter.io/ios/app/fasto-intermittent-fasting/id6797804062)

**Currently charting:** #172 Top Paid · Health & Fitness (US App Store)

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

**In-app purchases:** none


### Sunfold

[App page](https://appshunter.io/ios/app/sunfold-intermittent-fasting/id6801442221)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sunfold Pro — Monthly | $2.99 | per month |
| Sunfold Pro — Yearly | $29.99 | per year |
| Sunfold Pro — Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Fasto free?

Fasto costs $2.99, with no in-app purchases.

### Is Sunfold free?

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

### Do Fasto or Sunfold have ads?

Neither Fasto nor Sunfold shows ads.

### Which is updated more often, Fasto or Sunfold?

Fasto ships an update every 3 days, and Sunfold every 3 weeks. Most recently, Fasto was updated on November 7, 2026 and Sunfold 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.*