# Kilo Training Systems vs GymStreak

The clearest difference is in-app purchases: Kilo Training Systems at none against GymStreak's 2. Kilo Training Systems also leads on iOS requirement (15.0 vs 26.1). GymStreak's advantage is update cadence (weekly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. GymStreak sells 2 in-app purchases, starting at $3.99 per month. Kilo Training Systems asks for nothing beyond the download.

Kilo Training Systems ships an update monthly, GymStreak weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Kilo Training Systems | GymStreak |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 46 MB | 28 MB |
| Requires iOS | **15.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [kilo training systems limited](https://appshunter.io/developer/1738491546) | [Julian Manke](https://appshunter.io/developer/1541556133) |

## What reviewers say

### Kilo Training Systems

[App page](https://appshunter.io/ios/app/kilo-training-systems/id6480216990)

**Features:** macOS Compatibility

**In-app purchases:** none


### GymStreak

[App page](https://appshunter.io/ios/app/gymstreak-workout-tracker/id6756426105)

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GymStreak Pro – Monthly | $3.99 | per month |
| GymStreak Pro – Annual | $22.99 | per year |


## Frequently asked questions

### Is Kilo Training Systems free?

Kilo Training Systems is free to download, with no in-app purchases.

### Is GymStreak free?

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

### Do Kilo Training Systems or GymStreak have ads?

Neither Kilo Training Systems nor GymStreak shows ads.

### Which is updated more often, Kilo Training Systems or GymStreak?

Kilo Training Systems ships an update monthly, and GymStreak weekly. Most recently, Kilo Training Systems was updated on October 27, 2026 and GymStreak 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.*