# Define. vs Thessai App

The clearest difference is update cadence: Thessai App at every 2 weeks against Define.'s monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Define. ships an update monthly, Thessai App every 2 weeks. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Define. | Thessai App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/define/id6471139129/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 121 MB | 50 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) | [Thessai](https://appshunter.io/developer/1791213529) |

## What reviewers say

### Define.

[App page](https://appshunter.io/ios/app/define/id6471139129)

This app offers a variety of workouts designed by fitness experts to create a balanced approach to exercise and overall health. It provides live and on-demand classes, with new content added weekly, suitable for all fitness levels.

**Highlights:** Variety of workouts, Live and on-demand classes, New classes added weekly, Workouts 30 minutes or less, Suitable for all fitness levels, Balanced approach to health

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

**In-app purchases:** none


### Thessai App

[App page](https://appshunter.io/ios/app/thessai-app/id6745782897)

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

**In-app purchases:** none


## Frequently asked questions

### Is Define. free?

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

### Is Thessai App free?

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

### Do Define. or Thessai App have ads?

Neither Define. nor Thessai App shows ads.

### Which is updated more often, Define. or Thessai App?

Define. ships an update monthly, and Thessai App every 2 weeks. Most recently, Define. was updated on September 30, 2026 and Thessai App on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*