# Steadfast vs Nistis

The clearest difference is update cadence: Steadfast at weekly against Nistis's every 2 weeks. Steadfast also leads on ratings volume (6 vs 2). Nistis's advantage is iOS requirement (17.0 vs 26.2). On price, rating, 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 Nistis sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Steadfast against 5.0 for Nistis. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Steadfast ships an update weekly, Nistis every 2 weeks. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Steadfast | Nistis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/steadfast-fasting-tracker/id6761577451/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/nistis-fasting-timer/id6799102652/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 4 MB | 18 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [CognitiveCore Technologies, LLC](https://appshunter.io/developer/1890309148) | [Little Theta LLC](https://appshunter.io/developer/1895438187) |

## 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 |


### Nistis

[App page](https://appshunter.io/ios/app/nistis-fasting-timer/id6799102652)

This app helps you track fasting periods with customizable timers and editing capabilities. It offers a free version with core features and an optional one-time purchase for advanced functionalities like Apple Watch integration and health syncing.

**Highlights:** Customizable fasting timers (16:8, OMAD, etc.), Editable fasting history, Stage timeline with common fasting phases, Offline functionality, Optional iCloud sync, Apple Watch app, Home screen and lock screen widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Annual | $14.99 | per year |
| Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Steadfast free?

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

### Is Nistis free?

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

### Which has better reviews, Steadfast or Nistis?

Steadfast and Nistis are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do Steadfast or Nistis have ads?

Neither Steadfast nor Nistis shows ads.

### Which is updated more often, Steadfast or Nistis?

Steadfast ships an update weekly, and Nistis every 2 weeks. Most recently, Steadfast was updated on October 5, 2026 and Nistis on October 3, 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.*