# ELECTROtools vs Marker database

The clearest difference is device support: ELECTROtools at 3 against Marker database's 1. ELECTROtools also leads on iOS requirement (12.0 vs 16.3). On price, update cadence, ads and in-app purchases there is nothing between them.

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

ELECTROtools ships an update every 2 months, Marker database every 4 months. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | ELECTROtools | Marker database |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/electrotools/id520168334/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | — |
| Size | 75 MB | 7 MB |
| Requires iOS | **12.0** | 16.3 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FEGIME Deutschland Marktgemeinschaft im Elektrogrosshandel GmbH & Co. KG](https://appshunter.io/developer/948239599) | [Komplex s.r.o.](https://appshunter.io/developer/1767399890) |

## What reviewers say

### ELECTROtools

[App page](https://appshunter.io/ios/app/electrotools/id520168334)

This app provides electricians and engineers with essential tabulations, formulas, and graphics for various electrical and electronic tasks. It includes tools for circuit calculations, component identification, and data lookup, making it a handy reference for fieldwork and office use.

**Highlights:** Electrical tabulations and graphics, Formulae calculator, Component identification, Color code references, Cable dimensioning, Own document uploads

**Features:** macOS Compatibility

**In-app purchases:** none


### Marker database

[App page](https://appshunter.io/ios/app/marker-database/id6670759357)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ELECTROtools free?

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

### Is Marker database free?

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

### Do ELECTROtools or Marker database have ads?

Neither ELECTROtools nor Marker database shows ads.

### Which is updated more often, ELECTROtools or Marker database?

ELECTROtools ships an update every 2 months, and Marker database every 4 months. Most recently, ELECTROtools was updated on October 14, 2026 and Marker database on October 16, 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.*