# 75 Days Hard Challenge Tracker vs Transform 91

The clearest difference is in-app purchases: 75 Days Hard Challenge Tracker at none against Transform 91's 3. 75 Days Hard Challenge Tracker also leads on ads (none vs shown). Transform 91's advantage is iOS requirement (15.1 vs 18.0). On price, rating, ratings volume 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. 75 Days Hard Challenge Tracker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 75 Days Hard Challenge Tracker against 5.0 for Transform 91. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

## The numbers

| Metric | 75 Days Hard Challenge Tracker | Transform 91 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/75-days-hard-challenge-tracker/id6753315011/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/transform-91/id6761658474/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 76 MB | 33 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Martin Kiperszmid](https://appshunter.io/developer/1843431696) | [Aryan Gautam](https://appshunter.io/developer/1853733432) |

## What reviewers say

### 75 Days Hard Challenge Tracker

[App page](https://appshunter.io/ios/app/75-days-hard-challenge-tracker/id6753315011)

This app helps users stay consistent and motivated on fitness challenges like 75 Hard or custom journeys. Track daily habits, workouts, diet, water intake, and progress with visual calendars and statistics to build discipline and transform your body and mind.

**Highlights:** Daily habit tracking, Workout logging, Diet and water intake monitoring, Progress photos and calendar, Streak and accountability features, Shareable progress statistics

**Features:** macOS Compatibility

**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 75 Days Hard Challenge Tracker free?

75 Days Hard Challenge Tracker 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, 75 Days Hard Challenge Tracker or Transform 91?

75 Days Hard Challenge Tracker and Transform 91 are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do 75 Days Hard Challenge Tracker or Transform 91 have ads?

Transform 91 shows ads; 75 Days Hard Challenge Tracker does not.

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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.*