# Steadfast vs Clean Fast

The clearest difference is device support: Steadfast at 3 against Clean Fast's 1. Clean Fast's advantage is iOS requirement (18.2 vs 26.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Steadfast sells 2 in-app purchases, starting at $3.99 per month and Clean Fast sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Steadfast ships an update weekly, Clean Fast every 2 weeks. The most recent releases landed on October 31, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Steadfast | Clean Fast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/steadfast-fasting-tracker/id6761577451/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 4 MB | 23 MB |
| Requires iOS | 26.2 | **18.2** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CognitiveCore Technologies, LLC](https://appshunter.io/developer/1890309148) | [Omar Battan](https://appshunter.io/developer/6815993257) |

## What reviewers say

### Steadfast

[App page](https://appshunter.io/ios/app/steadfast-fasting-tracker/id6761577451)

This app helps you track your fasting windows and hydration with a simple, ad-free interface. It offers customizable schedules, water logging, and insights into your body's fasting zones. Premium features provide advanced analytics and customization options.

**Highlights:** One-tap fasting timer, Water tracking with goals, Fasting zone insights, Streak tracking, Hydration reminders, Home screen widgets, Apple Watch app, HealthKit integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $24.99 | per year |


### Clean Fast

[App page](https://appshunter.io/ios/app/clean-fast-fasting-timer-168/id6820460319)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Clean Fast Freeze Pack | $1.99 | one-time |
| Clean Fast PRO | $4.99 | one-time |


## Frequently asked questions

### Is Steadfast free?

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

### Is Clean Fast free?

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

### Do Steadfast or Clean Fast have ads?

Neither Steadfast nor Clean Fast shows ads.

### Which is updated more often, Steadfast or Clean Fast?

Steadfast ships an update weekly, and Clean Fast every 2 weeks. Most recently, Steadfast was updated on October 31, 2026 and Clean Fast on November 13, 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.*