# Tirisula vs FatBurn Watch

The clearest difference is in-app purchases: Tirisula at none against FatBurn Watch's 1. Tirisula also leads on iOS requirement (15.1 vs 17.0). FatBurn Watch's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. FatBurn Watch sells 1 one-off in-app purchase. Tirisula asks for nothing beyond the download.

Tirisula ships an update every 3 months, FatBurn Watch weekly. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tirisula | FatBurn Watch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 55 MB | 11 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Momence, Inc.](https://appshunter.io/developer/1577856011) | [LFT Inc.](https://appshunter.io/developer/1776796858) |

## What reviewers say

### Tirisula

[App page](https://appshunter.io/ios/app/tirisula/id6744297075)

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

**In-app purchases:** none


### FatBurn Watch

[App page](https://appshunter.io/ios/app/fatburn-watch/id6763567392)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $3.99 | one-time |


## Frequently asked questions

### Is Tirisula free?

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

### Is FatBurn Watch free?

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

### Do Tirisula or FatBurn Watch have ads?

Neither Tirisula nor FatBurn Watch shows ads.

### Which is updated more often, Tirisula or FatBurn Watch?

Tirisula ships an update every 3 months, and FatBurn Watch weekly. Most recently, Tirisula was updated on October 10, 2026 and FatBurn Watch on October 24, 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.*