# Kilo Training Systems vs S2S

The clearest difference is update cadence: Kilo Training Systems at monthly against S2S's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Kilo Training Systems ships an update monthly, S2S every 5 months. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Kilo Training Systems | S2S |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Size | 46 MB | 55 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [kilo training systems limited](https://appshunter.io/developer/1738491546) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### Kilo Training Systems

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

**Features:** macOS Compatibility

**In-app purchases:** none


### S2S

[App page](https://appshunter.io/ios/app/s2s/id6748382799)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kilo Training Systems free?

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

### Is S2S free?

S2S is free to download, with no in-app purchases.

### Do Kilo Training Systems or S2S have ads?

Neither Kilo Training Systems nor S2S shows ads.

### Which is updated more often, Kilo Training Systems or S2S?

Kilo Training Systems ships an update monthly, and S2S every 5 months. Most recently, Kilo Training Systems was updated on September 20, 2026 and S2S on September 13, 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.*