# Sippi vs Fastual

The clearest difference is in-app purchases: Fastual at none against Sippi's 2. Fastual also leads on iOS requirement (16.4 vs 18.2). Sippi's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Sippi sells 2 in-app purchases, starting at $1.99 per month. Fastual asks for nothing beyond the download.

Sippi ships an update every 4 days, Fastual every 2 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sippi | Fastual |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 21 MB | 71 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Robot Dreams LTD](https://appshunter.io/developer/1832996586) | [Redjon Prengzi](https://appshunter.io/developer/1807403123) |

## What reviewers say

### Sippi

[App page](https://appshunter.io/ios/app/sippi/id6751645504)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Annual | $14.99 | per year |


### Fastual

[App page](https://appshunter.io/ios/app/fastual-fasting-phase-tracker/id6758233821)

**In-app purchases:** none


## Frequently asked questions

### Is Sippi free?

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

### Is Fastual free?

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

### Do Sippi or Fastual have ads?

Fastual shows ads; Sippi does not.

### Which is updated more often, Sippi or Fastual?

Sippi ships an update every 4 days, and Fastual every 2 months. Most recently, Sippi was updated on October 25, 2026 and Fastual on October 28, 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.*