# Strength by Mari vs TF STUDIO

The clearest difference is review sentiment: TF STUDIO at 97% against Strength by Mari's 31%. TF STUDIO also leads on ads (none vs shown) and rating (4.9 vs 4.5). Strength by Mari's advantage is update cadence (fortnightly vs every 2 months) and ratings volume (6.3K vs 337). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Strength by Mari sells 3 in-app purchases, starting at $11.99 per month and TF STUDIO sells 7 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

TF STUDIO holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Strength by Mari has 6.3K ratings behind it against 337, so its average is the more settled of the two. Written reviews point the same way: 31% of Strength by Mari's written reviews are positive against 97% of TF STUDIO's.

Strength by Mari ships an update fortnightly, TF STUDIO every 2 months. The most recent releases landed on October 19, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Strength by Mari | TF STUDIO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (6.3K ratings)](https://appshunter.io/ios/app/strength-by-mari/id1524686854/reviews) | **[4.9 (337 ratings)](https://appshunter.io/ios/app/tf-studio/id1558654839/reviews)** |
| Number of ratings | **6.3K** | 337 |
| Positive reviews | 31.2% of reviews | **97.4% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 104 MB | 81 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Mari Fitness LLC](https://appshunter.io/developer/1524686976) | [Franken Worldwide Inc.](https://appshunter.io/developer/1558654841) |

## What reviewers say

### Strength by Mari

[App page](https://appshunter.io/ios/app/strength-by-mari/id1524686854)

This app offers workout plans and instructional videos designed for women of all fitness levels to achieve their health and fitness goals. Track your progress with photos, strength metrics, and share updates with a supportive community.

**Highlights:** Workout plans for any schedule, Home or gym options, Daily unique workouts, Exercise instructional videos, Progress photo tracking, Strength and personal best tracking, Community support

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $11.99 | per month |
| 6 Months | $59.99 | per 6 months |
| Annually | $99.99 | per year |

**What reviewers like**

- 🚀 Easy to follow workouts
- 👍 Simple and intuitive interface
- 💪 Effective for building strength
- 📊 Ability to track progress and weights

**What reviewers complain about**

- 🐛 Frequent app crashes and glitches
- 🔍 Difficulty finding and switching exercises
- 🕰️ Lack of rest timers and workout planning features
- 🖼️ Issues with saving and viewing progress photos

**Reported bugs**

- App crashes during workouts
- Progress data and workout history not saving properly
- Inconsistent performance and UI issues
- Trouble logging in and accessing the app

**Requested features**

- Allow customization of workouts and ability to add exercises
- Incorporate warm-up and cool-down routines
- Provide more advanced and challenging workout options
- Improve navigation and ability to preview future workouts


### 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


## Frequently asked questions

### Is Strength by Mari free?

Strength by Mari is free to download, with in-app purchases available.

### Is TF STUDIO free?

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

### Which has better reviews, Strength by Mari or TF STUDIO?

TF STUDIO is rated higher. Strength by Mari averages 4.5 out of 5 from 6.3K ratings, while TF STUDIO averages 4.9 from 337 ratings.

### Do Strength by Mari or TF STUDIO have ads?

Strength by Mari shows ads; TF STUDIO does not.

### Which is updated more often, Strength by Mari or TF STUDIO?

Strength by Mari ships an update fortnightly, and TF STUDIO every 2 months. Most recently, Strength by Mari was updated on October 19, 2026 and TF STUDIO on October 22, 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.*