# Electrikit vs 555 Timer & Oscillators Guide

The clearest difference is ads: Electrikit at none against 555 Timer & Oscillators Guide's shown. Electrikit also leads on iOS requirement (12.0 vs 16.0). 555 Timer & Oscillators Guide's advantage is update cadence (every 5 months vs every 59 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.

Electrikit ships an update every 59 months, 555 Timer & Oscillators Guide every 5 months. The most recent releases landed on September 17, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Electrikit | 555 Timer & Oscillators Guide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/electrikit/id1438439803/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 59 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 30 MB | 24 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [B&K Precision](https://appshunter.io/developer/400501706) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Electrikit

[App page](https://appshunter.io/ios/app/electrikit/id1438439803)

This app provides a comprehensive suite of calculators for power electronics. It assists electronics enthusiasts, students, and professionals in solving complex circuit calculations with an intuitive interface. Essential for anyone working with electronic circuits and devices.

**Highlights:** Power Calculators, Delta-Wye Transformation, AWG Size Calculator, Voltage Drop Calculator, Resistor Code Calculator, LED Info, Dark/Light Theme

**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 Electrikit free?

Electrikit 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 Electrikit or 555 Timer & Oscillators Guide have ads?

555 Timer & Oscillators Guide shows ads; Electrikit does not.

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

Electrikit ships an update every 59 months, and 555 Timer & Oscillators Guide every 5 months. Most recently, Electrikit was updated on September 17, 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.*