# 75, 90 Day Testosterone Reset vs MyStack

75, 90 Day Testosterone Reset and MyStack are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 75, 90 Day Testosterone Reset sells 7 in-app purchases, starting at $7.99 per 7 days and MyStack sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 6, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | 75, 90 Day Testosterone Reset | MyStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/75-90-day-testosterone-reset/id6740233704/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 2 MB | 46 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Roast My App LLC](https://appshunter.io/developer/1780791808) | [2 Man Limited](https://appshunter.io/developer/1690228719) |

## What reviewers say

### 75, 90 Day Testosterone Reset

[App page](https://appshunter.io/ios/app/75-90-day-testosterone-reset/id6740233704)

A 90-day self-improvement challenge designed for men to rebuild healthy habits and optimize their well-being. Track daily routines, monitor progress, and access science-backed articles to foster lasting change.

**Highlights:** 90-day life reset challenge, Habit tracker with progress heatmap, Daily journal and weight tracker, AI-driven T Habit Score, Science-based habit protocols, In-depth research articles

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Quarterly | $14.99 | per 3 months |
| Premium Yearly | $29.99 | per year |
| Premium Yearly Reset | $49.99 | per year |
| Lifetime Reset | $49.99 | one-time |
| Premium Lifetime | $149.99 | one-time |


### MyStack

[App page](https://appshunter.io/ios/app/mystack-peptide-tracker/id6768515225)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Mannual | $49.99 | per year |


## Frequently asked questions

### Is 75, 90 Day Testosterone Reset free?

75, 90 Day Testosterone Reset is free to download, with in-app purchases available.

### Is MyStack free?

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

### Do 75, 90 Day Testosterone Reset or MyStack have ads?

Neither 75, 90 Day Testosterone Reset nor MyStack shows ads.

### Which is updated more often, 75, 90 Day Testosterone Reset or MyStack?

75, 90 Day Testosterone Reset ships an update every 2 weeks, and MyStack every 2 weeks. Most recently, 75, 90 Day Testosterone Reset was updated on October 6, 2026 and MyStack on September 30, 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.*