# Grind75 vs 75 Days Challenge

The clearest difference is in-app purchases: Grind75 at none against 75 Days Challenge's 3. Grind75 also leads on ads (none vs shown) and review sentiment (100% vs 80%). 75 Days Challenge's advantage is ratings volume (92 vs 22) and iOS requirement (15.0 vs 18.0). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. 75 Days Challenge sells 3 in-app purchases, starting at $4.99 per 7 days. Grind75 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Grind75 against 4.9 for 75 Days Challenge. Both are backed by a comparable volume of ratings — 22 and 92 respectively. Written reviews are what separate them: 100% of Grind75's written reviews are positive against 80% of 75 Days Challenge's.

Grind75 ships an update monthly, 75 Days Challenge fortnightly. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Grind75 | 75 Days Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (22 ratings)](https://appshunter.io/ios/app/grind75/id6760317807/reviews)** | [4.9 (92 ratings)](https://appshunter.io/ios/app/75-days-challenge-reset75/id6761861091/reviews) |
| Number of ratings | 22 | **92** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 21 MB | 55 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Priya Pappachen Yohannan](https://appshunter.io/developer/1883822079) | [EHM TECH LLC](https://appshunter.io/developer/1484023806) |

## What reviewers say

### Grind75

[App page](https://appshunter.io/ios/app/grind75/id6760317807)

This app helps you build discipline and stay consistent with self-improvement challenges like 75 Hard or 75 Soft. It offers flexible tracking for various habits, multiple challenge modes, and progress visualization to support your personal growth journey without rigid rules.

**Highlights:** Customizable challenge lengths, Multiple challenge modes (Hard, Medium, Soft, Parent), Habit tracking for fitness, water, reading, diet, and more, Progress photo and milestone tracking, Flexible system with pause and resume options, Health integration for step tracking, Shareable transformation cards

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

**In-app purchases:** none


### 75 Days Challenge

[App page](https://appshunter.io/ios/app/75-days-challenge-reset75/id6761861091)

This app helps you complete self-improvement challenges with customizable tasks, progress tracking, and motivational tools. Log daily activities, capture progress photos, and generate timelapse videos. All your data is stored securely on your device.

**Highlights:** Customizable challenge templates, Daily task logging with multiple input types, Progress photo capture and timelapse video generation, Detailed statistics and insights, Shareable progress cards, On-device data storage, Home screen widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Weekly | $4.99 | per 7 days |
| Pro - Annual | $19.99 | per year |
| Pro - Annual | $39.99 | per year |


## Frequently asked questions

### Is Grind75 free?

Grind75 is free to download, with no in-app purchases.

### Is 75 Days Challenge free?

75 Days Challenge is free to download, with in-app purchases available.

### Which has better reviews, Grind75 or 75 Days Challenge?

Grind75 is rated higher. Grind75 averages 5.0 out of 5 from 22 ratings, while 75 Days Challenge averages 4.9 from 92 ratings.

### Do Grind75 or 75 Days Challenge have ads?

75 Days Challenge shows ads; Grind75 does not.

### Which is updated more often, Grind75 or 75 Days Challenge?

Grind75 ships an update monthly, and 75 Days Challenge fortnightly. Most recently, Grind75 was updated on October 7, 2026 and 75 Days Challenge on October 19, 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.*