# Robot Gladiator League vs 555 Timer & Oscillators Guide

The clearest difference is ads: Robot Gladiator League at none against 555 Timer & Oscillators Guide's shown. Robot Gladiator League also leads on iOS requirement (12.4 vs 16.0). 555 Timer & Oscillators Guide's advantage is update cadence (every 5 months vs every 25 months). On price, 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.

Robot Gladiator League ships an update every 25 months, 555 Timer & Oscillators Guide every 5 months. The most recent releases landed on June 5, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Robot Gladiator League | 555 Timer & Oscillators Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 25 months | **Every 5 months** |
| Size | 20 MB | 24 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Newton's Attic Inc.](https://appshunter.io/developer/1697909384) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Robot Gladiator League

[App page](https://appshunter.io/ios/app/robot-gladiator-league/id6451391228)

**Features:** macOS Compatibility

**In-app purchases:** none


### 555 Timer & Oscillators Guide

[App page](https://appshunter.io/ios/app/555-timer-and-oscillators-guide/id6504487994)

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

**In-app purchases:** none


## Frequently asked questions

### Is Robot Gladiator League free?

Robot Gladiator League is free to download, with no in-app purchases.

### Is 555 Timer & Oscillators Guide free?

555 Timer & Oscillators Guide is free to download, with no in-app purchases.

### Do Robot Gladiator League or 555 Timer & Oscillators Guide have ads?

555 Timer & Oscillators Guide shows ads; Robot Gladiator League does not.

### Which is updated more often, Robot Gladiator League or 555 Timer & Oscillators Guide?

Robot Gladiator League ships an update every 25 months, and 555 Timer & Oscillators Guide every 5 months. Most recently, Robot Gladiator League was updated on June 5, 2026 and 555 Timer & Oscillators Guide on September 24, 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.*