# Eros Scale vs Transform 91

The clearest difference is review sentiment: Transform 91 at 100% against Eros Scale's 25%. Transform 91 also leads on rating (5.0 vs 3.1) and update cadence (every 3 weeks vs every 5 months). Eros Scale's advantage is in-app purchases (none vs 3) and ratings volume (47 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Transform 91 sells 3 in-app purchases, starting at $0.99 per month. Eros Scale asks for nothing beyond the download.

Transform 91 holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Eros Scale has 47 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of Eros Scale's written reviews are positive against 100% of Transform 91's.

Eros Scale ships an update every 5 months, Transform 91 every 3 weeks. The most recent releases landed on November 13, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Eros Scale | Transform 91 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (47 ratings)](https://appshunter.io/ios/app/eros-scale/id1473780177/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/transform-91/id6761658474/reviews)** |
| Number of ratings | **47** | 2 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 32 MB | 33 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [INEVIFIT LLC](https://appshunter.io/developer/1450358345) | [Aryan Gautam](https://appshunter.io/developer/1853733432) |

## What reviewers say

### Eros Scale

[App page](https://appshunter.io/ios/app/eros-scale/id1473780177)

This app connects to a smart body fat scale to track various body composition metrics for multiple users. Monitor weight, body fat, muscle mass, and more with historical charts. Start your journey to a healthier life.

**Highlights:** Connects to Eros Smart Body Fat Scale, Tracks unlimited users, Monitors body weight and fat, Measures muscle mass and BMI, Provides historical charts, Supports Apple Health Kit integration

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

**In-app purchases:** none


### Transform 91

[App page](https://appshunter.io/ios/app/transform-91/id6761658474)

This app offers a comprehensive 91-day fitness reset, guiding users through personalized meal plans, structured gym workouts with video demos, and daily habit tracking. It also includes mindset tools and live posture guidance to foster lasting lifestyle changes.

**Highlights:** Personalized 91-day fitness plan, Adaptive meal and workout schedules, Structured gym sessions with video demos, Progress tracking for weight and measurements, Mindset tools and daily focus checklists, Live posture guidance

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Transform Pro Monthly | $0.99 | per month |
| Pro Yearly | $9.99 | per year |
| Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Eros Scale free?

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

### Is Transform 91 free?

Transform 91 is free to download, with in-app purchases available.

### Which has better reviews, Eros Scale or Transform 91?

Transform 91 is rated higher. Eros Scale averages 3.1 out of 5 from 47 ratings, while Transform 91 averages 5.0 from 2 ratings.

### Do Eros Scale or Transform 91 have ads?

Both Eros Scale and Transform 91 show ads.

### Which is updated more often, Eros Scale or Transform 91?

Eros Scale ships an update every 5 months, and Transform 91 every 3 weeks. Most recently, Eros Scale was updated on November 13, 2026 and Transform 91 on October 31, 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.*
