# Mood Tracker vs ProStack

The clearest difference is update cadence: ProStack at every 5 days against Mood Tracker's fortnightly. ProStack also leads on iOS requirement (16.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mood Tracker sells 2 in-app purchases, starting at $5.99 per month and ProStack sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Mood Tracker ships an update fortnightly, ProStack every 5 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Mood Tracker | ProStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/prostack-peptide-tracker/id6789934657/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 17 MB | 65 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Taras Chernyshenko](https://appshunter.io/developer/1308198759) | [JESSIE GRACE CHRISTIE](https://appshunter.io/developer/6789934659) |

## What reviewers say

### Mood Tracker

[App page](https://appshunter.io/ios/app/mood-tracker-moodly/id6745337507)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $5.99 | per month |
| Yearly Membership | $29.99 | per year |


### ProStack

[App page](https://appshunter.io/ios/app/prostack-peptide-tracker/id6789934657)

Log your peptide doses, set reminders, and track your progress with photos and measurements. Access a library of peptide information and manage your entire protocol on a calendar. Offers a free 7-day trial.

**Highlights:** Dose logging, Scheduled reminders, Protocol calendar, Progress photos, Measurement tracking, Peptide library

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $4.99 | per month |
| Premium Annual | $49.99 | per year |


## Frequently asked questions

### Is Mood Tracker free?

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

### Is ProStack free?

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

### Do Mood Tracker or ProStack have ads?

Neither Mood Tracker nor ProStack shows ads.

### Which is updated more often, Mood Tracker or ProStack?

Mood Tracker ships an update fortnightly, and ProStack every 5 days. Most recently, Mood Tracker was updated on November 5, 2026 and ProStack on November 6, 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.*