# MIXx studio vs PEAK 75 hard challenge tracker

The clearest difference is update cadence: PEAK 75 hard challenge tracker at weekly against MIXx studio's every 7 months. MIXx studio's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MIXx studio ships an update every 7 months, PEAK 75 hard challenge tracker weekly. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | MIXx studio | PEAK 75 hard challenge tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/peak-75-hard-challenge-tracker/id6774088844/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | — | Free |
| Size | 19 MB | 69 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Shira Sadot](https://appshunter.io/developer/1106276255) | [Olga Krolikowska](https://appshunter.io/developer/1727507942) |

## What reviewers say

### MIXx studio

[App page](https://appshunter.io/ios/app/mixx-studio/id1131178943)

**Features:** macOS Compatibility

**In-app purchases:** none


### PEAK 75 hard challenge tracker

[App page](https://appshunter.io/ios/app/peak-75-hard-challenge-tracker/id6774088844)

This app helps you complete popular 75-day challenges by tracking daily habits and progress. Choose from pre-set routines or create your own custom challenge to build discipline and achieve your goals.

**Highlights:** Choose from pre-set or custom challenges, Track workouts, water intake, reading, and more, Visualize progress with daily checklists, Monitor streaks and celebrate completed challenges, Select real-world peaks to represent progress

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MIXx studio free?

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

### Is PEAK 75 hard challenge tracker free?

PEAK 75 hard challenge tracker is free to download, with no in-app purchases.

### Do MIXx studio or PEAK 75 hard challenge tracker have ads?

Neither MIXx studio nor PEAK 75 hard challenge tracker shows ads.

### Which is updated more often, MIXx studio or PEAK 75 hard challenge tracker?

MIXx studio ships an update every 7 months, and PEAK 75 hard challenge tracker weekly. Most recently, MIXx studio was updated on October 3, 2026 and PEAK 75 hard challenge tracker on October 14, 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.*