# LyteFast vs Stoolytics

The clearest difference is update cadence: Stoolytics at every 2 days against LyteFast's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LyteFast sells 6 in-app purchases, starting at $0.99 per 7 days and Stoolytics sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

LyteFast ships an update every 2 months, Stoolytics every 2 days. The most recent releases landed on September 13, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | LyteFast | Stoolytics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/stoolytics/id6761431119/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 61 MB | 9 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Stephane Sprauer](https://appshunter.io/developer/1843257989) | [Andrey Lebedev](https://appshunter.io/developer/1889409767) |

## What reviewers say

### LyteFast

[App page](https://appshunter.io/ios/app/lytefast/id6753265477)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly premium access | $0.99 | per 7 days |
| Monthly premium access | $2.99 | per month |
| Weekly LyteFast AI Add-On | $4.99 | per 7 days |
| Monthly LyteFast AI Add-On | $14.99 | per month |
| Yearly premium access | $23.99 | per year |
| Yearly LyteFast AI Add-On | $149.99 | per year |


### Stoolytics

[App page](https://appshunter.io/ios/app/stoolytics/id6761431119)

This app helps you understand your digestion by tracking daily habits like food, drinks, stress, and exercise. Visualize patterns to identify triggers affecting stool quality and gut health. Export your insights for personal awareness.

**Highlights:** Track food and drinks with detailed properties, Log stress levels and exercise, Visualize digestion patterns over time, Identify triggers for stool quality, Generate PDF and CSV reports, On-device data storage

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $4.99 | one-time |


## Frequently asked questions

### Is LyteFast free?

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

### Is Stoolytics free?

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

### Do LyteFast or Stoolytics have ads?

Neither LyteFast nor Stoolytics shows ads.

### Which is updated more often, LyteFast or Stoolytics?

LyteFast ships an update every 2 months, and Stoolytics every 2 days. Most recently, LyteFast was updated on September 13, 2026 and Stoolytics on September 10, 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.*