# 75 Days vs Grams

The clearest difference is in-app purchases: Grams at none against 75 Days's 1. Grams also leads on ads (none vs shown). 75 Days's advantage is update cadence (fortnightly vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 75 Days sells 1 one-off in-app purchase. Grams asks for nothing beyond the download.

75 Days ships an update fortnightly, Grams monthly. The most recent releases landed on September 27, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 75 Days | Grams |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (16 ratings)](https://appshunter.io/ios/app/75-days-transform-challenge/id6584519577/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 2 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Ali Murad](https://appshunter.io/developer/1412644468) | [Niklas Bretschneider](https://appshunter.io/developer/6792128926) |

## What reviewers say

### 75 Days

[App page](https://appshunter.io/ios/app/75-days-transform-challenge/id6584519577)

Embark on a 75-day journey to build mental toughness, discipline, and achieve personal growth. This app guides you through daily exercise, diet planning, hydration, reading, and progress tracking to transform your life.

**Highlights:** 75-day transformative journey, Daily exercise (two 45-min sessions, one outdoors), Customizable diet plan (no alcohol/cheat meals), Daily water intake tracking (1 gallon), Daily reading habit (10 pages non-fiction), Daily progress photos, Daily progress tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


### Grams

[App page](https://appshunter.io/ios/app/grams-protein-tracker/id6800540344)

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

**In-app purchases:** none


## Frequently asked questions

### Is 75 Days free?

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

### Is Grams free?

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

### Do 75 Days or Grams have ads?

75 Days shows ads; Grams does not.

### Which is updated more often, 75 Days or Grams?

75 Days ships an update fortnightly, and Grams monthly. Most recently, 75 Days was updated on September 27, 2026 and Grams on October 11, 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.*