# 抵抗チェッカー ～カラーコードと抵抗値から～ vs ADONN

The clearest difference is ads: ADONN at none against 抵抗チェッカー ～カラーコードと抵抗値から～'s shown. 抵抗チェッカー ～カラーコードと抵抗値から～'s advantage is iOS requirement (8.0 vs 11.0). On price, update cadence, 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.

抵抗チェッカー ～カラーコードと抵抗値から～ ships an update every 6 months, ADONN every 4 months. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 抵抗チェッカー ～カラーコードと抵抗値から～ | ADONN |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Size | 14 MB | 18 MB |
| Requires iOS | **8.0** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Yoshiaki Onishi](https://appshunter.io/developer/852893746) | [wei lyu](https://appshunter.io/developer/1788851158) |

## What reviewers say

### 抵抗チェッカー ～カラーコードと抵抗値から～

[App page](https://appshunter.io/ios/app/id1271197221)

Easily calculate resistance values from color codes or find color codes from resistance values. Supports 4-band and 5-band resistor types, providing quick and accurate results for electronic circuit design.

**Highlights:** Calculate resistance from color codes, Find color codes from resistance values, Supports 4-band resistors, Supports 5-band resistors, Displays multiple color code patterns, Quick and easy to use

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

**In-app purchases:** none


### ADONN

[App page](https://appshunter.io/ios/app/adonn/id6740195253)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 抵抗チェッカー ～カラーコードと抵抗値から～ free?

抵抗チェッカー ～カラーコードと抵抗値から～ is free to download, with no in-app purchases.

### Is ADONN free?

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

### Do 抵抗チェッカー ～カラーコードと抵抗値から～ or ADONN have ads?

抵抗チェッカー ～カラーコードと抵抗値から～ shows ads; ADONN does not.

### Which is updated more often, 抵抗チェッカー ～カラーコードと抵抗値から～ or ADONN?

抵抗チェッカー ～カラーコードと抵抗値から～ ships an update every 6 months, and ADONN every 4 months. Most recently, 抵抗チェッカー ～カラーコードと抵抗値から～ was updated on October 19, 2026 and ADONN on October 7, 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.*