# Gainz vs Sleep Tracker

The clearest difference is update cadence: Gainz at every 4 days against Sleep Tracker's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Gainz sells 3 in-app purchases, starting at $1.99 per 7 days and Sleep Tracker sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Gainz ships an update every 4 days, Sleep Tracker every 3 months. The most recent releases landed on September 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Gainz | Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/sleep-tracker-diary-and-log/id6787393525/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 months |
| Monetization | — | Subscription |
| Size | 201 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Omer Burshtein](https://appshunter.io/developer/1859228522) | [MD Shahariar Nazim Joy](https://appshunter.io/developer/1893961943) |

## What reviewers say

### Gainz

[App page](https://appshunter.io/ios/app/gainz-workout-tracker/id6756530759)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gainz Pro Weekly | $1.99 | per 7 days |
| Gainz Pro Monthly | $4.99 | per month |
| Gainz Pro Yearly | $39.99 | per year |


### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-diary-and-log/id6787393525)

Understand your sleep patterns by logging bedtime, wake time, and quality. This private, offline app reveals trends and factor correlations to help you improve your rest and build better sleep routines.

**Highlights:** Sleep log and diary, Offline functionality, Trend charts, Factor correlations, Bedtime reminders, CSV export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $3.99 | per month |
| Pro Yearly | $24.99 | per year |
| Premium Lifetime | $44.99 | one-time |


## Frequently asked questions

### Is Gainz free?

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

### Is Sleep Tracker free?

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

### Do Gainz or Sleep Tracker have ads?

Neither Gainz nor Sleep Tracker shows ads.

### Which is updated more often, Gainz or Sleep Tracker?

Gainz ships an update every 4 days, and Sleep Tracker every 3 months. Most recently, Gainz was updated on September 30, 2026 and Sleep Tracker on October 28, 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.*