# Arlektra Mini vs 555 Timer & Oscillators Guide

The clearest difference is ads: Arlektra Mini at none against 555 Timer & Oscillators Guide's shown. 555 Timer & Oscillators Guide's advantage is update cadence (every 5 months vs every 17 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Arlektra Mini ships an update every 17 months, 555 Timer & Oscillators Guide every 5 months. The most recent releases landed on October 1, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Arlektra Mini | 555 Timer & Oscillators Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/arlektra-mini/id1622822411/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 274 MB | 24 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AR STEM LABS](https://appshunter.io/developer/1449428802) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Arlektra Mini

[App page](https://appshunter.io/ios/app/arlektra-mini/id1622822411)

Learn electronics and circuits through interactive augmented reality. Visualize complex theories, build circuits with step-by-step instructions, and explore electrical components in 3D.

**Highlights:** Augmented reality 3D instructions, Real-time visualizations, Step-by-step circuit building, Detailed 3D component views, Digital multimeter basics, Interactive learning

**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 Arlektra Mini free?

Arlektra Mini 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 Arlektra Mini or 555 Timer & Oscillators Guide have ads?

555 Timer & Oscillators Guide shows ads; Arlektra Mini does not.

### Which is updated more often, Arlektra Mini or 555 Timer & Oscillators Guide?

Arlektra Mini ships an update every 17 months, and 555 Timer & Oscillators Guide every 5 months. Most recently, Arlektra Mini was updated on October 1, 2026 and 555 Timer & Oscillators Guide on October 12, 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.*