# ZenFast vs Steadfast

The clearest difference is iOS requirement: ZenFast at 15.1 against Steadfast's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ZenFast sells 2 in-app purchases, starting at $0.99 per month and Steadfast sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | ZenFast | Steadfast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/steadfast-fasting-tracker/id6761577451/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Freemium |
| Size | 23 MB | 4 MB |
| Requires iOS | **15.1** | 26.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Beibi Technology Co., Ltd.](https://appshunter.io/developer/1721179393) | [CognitiveCore Technologies, LLC](https://appshunter.io/developer/1890309148) |

## What reviewers say

### ZenFast

[App page](https://appshunter.io/ios/app/zenfast-fasting-tracker/id6743153648)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access (1 month) | $0.99 | per month |
| All Access (lifetime) | $4.99 | one-time |


### 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 |


## Frequently asked questions

### Is ZenFast free?

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

### Is Steadfast free?

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

### Do ZenFast or Steadfast have ads?

Neither ZenFast nor Steadfast shows ads.

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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.*