# GutCheck vs Nistis

The clearest difference is in-app purchases: GutCheck at none against Nistis's 3. GutCheck also leads on iOS requirement (15.0 vs 17.0). Nistis's advantage is ratings volume (3 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Nistis sells 3 in-app purchases, starting at $2.99 per month. GutCheck asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for GutCheck against 5.0 for Nistis. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

## The numbers

| Metric | GutCheck | Nistis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/gutcheck-smart-diet-tracker/id6757758834/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/nistis-fasting-timer/id6799102652/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 101 MB | 23 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Mohamad El Izmirli](https://appshunter.io/developer/1868727153) | [Little Theta LLC](https://appshunter.io/developer/1895438187) |

## What reviewers say

### GutCheck

[App page](https://appshunter.io/ios/app/gutcheck-smart-diet-tracker/id6757758834)

This nutrition companion goes beyond calorie counting to help you understand how your diet impacts your health and energy. It offers effortless meal logging, comprehensive tracking of various dietary needs, and seamless integration with health devices.

**Highlights:** Effortless meal logging via photo or text, Comprehensive tracking (Macros, Keto, GI), Syncs with Apple Health and Fitbit, Nutrition intelligence and pattern recognition, Personalized feedback and actionable advice, Visual progress charts and smart trends

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 | $29.99 | one-time |


## Frequently asked questions

### Is GutCheck free?

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

### Is Nistis free?

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

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

GutCheck and Nistis are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do GutCheck or Nistis have ads?

Neither GutCheck nor Nistis 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.*