# TF STUDIO vs Define.

The clearest difference is rating: TF STUDIO at 4.9 against Define.'s 4.3. TF STUDIO also leads on review sentiment (97% vs 63%) and ratings volume (332 vs 12). Define.'s advantage is in-app purchases (none vs 7). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TF STUDIO sells 7 in-app purchases, starting at $19.99 per month. Define. asks for nothing beyond the download.

TF STUDIO holds the better App Store score, 4.9 against 4.3. That said, the two scores are not equally well evidenced: TF STUDIO has 332 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 97% of TF STUDIO's written reviews are positive against 63% of Define.'s.

TF STUDIO ships an update every 2 months, Define. every 5 weeks. The most recent releases landed on September 29, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | TF STUDIO | Define. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (332 ratings)](https://appshunter.io/ios/app/tf-studio/id1558654839/reviews)** | [4.3 (12 ratings)](https://appshunter.io/ios/app/define/id6471139129/reviews) |
| Number of ratings | **332** | 12 |
| Positive reviews | **97.4% of reviews** | 62.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 81 MB | 121 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | **iPhone, iPad, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Franken Worldwide Inc.](https://appshunter.io/developer/1558654841) | [Sutra Fitness, Inc.](https://appshunter.io/developer/914371834) |

## What reviewers say

### TF STUDIO

[App page](https://appshunter.io/ios/app/tf-studio/id1558654839)

This app offers dynamic Pilates workouts designed for at-home use, focusing on sculpting and strengthening without bulk. It features a blend of classic Pilates with strength-based sequences, suitable for all levels and available live, on-demand, or as reformer classes.

**Highlights:** Dynamic Power Pilates method, Strength-based, flowing sequences, Live, on-demand, and reformer classes, Beginner to advanced workouts, Smart filters for class selection, Pregnancy-friendly and cycle-syncing options

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TF STUDIO Monthly | $19.99 | per month |
| TF STUDIO Yearly | $179.99 | per year |
| T - F Studio - 999 | $9.99 | one-time |
| T - F Studio - 1499 | $14.99 | one-time |
| T - F Studio - 2099 | $20.99 | one-time |
| T - F Studio - 2999 | $29.99 | one-time |
| T - F Studio - 19999 | $199.99 | one-time |

**What reviewers like**

- 💪 Effective and challenging workouts
- 🧘‍♀️ Calming and grounding instruction
- 🔥 Visible body transformation results
- 🤩 Enjoyable and motivating
- 🧠 Holistic approach to health and wellness

**What reviewers complain about**

- 🐛 Occasional app glitches or video playback issues
- 🔍 Difficulty finding specific workouts
- 🕰️ Wish for more live/interactive classes

**Reported bugs**

- Some videos not playing properly
- Occasional app crashes

**Requested features**

- Custom playlists or favorites feature
- Improved video progress tracking
- More streaming options for TV integration


### 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


## Frequently asked questions

### Is TF STUDIO free?

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

### Is Define. free?

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

### Which has better reviews, TF STUDIO or Define.?

TF STUDIO is rated higher. TF STUDIO averages 4.9 out of 5 from 332 ratings, while Define. averages 4.3 from 12 ratings.

### Do TF STUDIO or Define. have ads?

Neither TF STUDIO nor Define. shows ads.

### Which is updated more often, TF STUDIO or Define.?

TF STUDIO ships an update every 2 months, and Define. every 5 weeks. Most recently, TF STUDIO was updated on September 29, 2026 and Define. on September 12, 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.*