# Superpower vs Transform 91

The clearest difference is in-app purchases: Superpower at none against Transform 91's 3. Superpower also leads on ads (none vs shown) and ratings volume (1.8K vs 2). Transform 91's advantage is review sentiment (100% vs 85%) and iOS requirement (15.1 vs 18.0). On price, rating, update cadence 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. Superpower asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Superpower against 5.0 for Transform 91. That said, the two scores are not equally well evidenced: Superpower has 1.8K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 85% of Superpower's written reviews are positive against 100% of Transform 91's.

Superpower ships an update fortnightly, Transform 91 every 3 weeks. The most recent releases landed on November 12, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Superpower | Transform 91 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.8K ratings)](https://appshunter.io/ios/app/superpower/id6747997159/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/transform-91/id6761658474/reviews)** |
| Number of ratings | **1.8K** | 2 |
| Positive reviews | 84.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 152 MB | 33 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Superpower Health, Inc.](https://appshunter.io/developer/1818174772) | [Aryan Gautam](https://appshunter.io/developer/1853733432) |

## What reviewers say

### Superpower

[App page](https://appshunter.io/ios/app/superpower/id6747997159)

Consolidate your health data, including lab results and wearable device information, into a single, secure platform. Receive AI-powered insights and clinician-supported guidance to create a personalized action plan for your health goals.

**Highlights:** Consolidated health data, AI-powered insights, Clinician-supported care, Personalized action plans, Lab testing, Wearable device sync

**Features:** Apple Wallet, iMessage stickers

**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 Superpower free?

Superpower 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, Superpower or Transform 91?

Transform 91 is rated higher. Superpower averages 4.9 out of 5 from 1.8K ratings, while Transform 91 averages 5.0 from 2 ratings.

### Do Superpower or Transform 91 have ads?

Transform 91 shows ads; Superpower does not.

### Which is updated more often, Superpower or Transform 91?

Superpower ships an update fortnightly, and Transform 91 every 3 weeks. Most recently, Superpower was updated on November 12, 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.*