# Read A Res vs TS

The clearest difference is in-app purchases: TS at none against Read A Res's 1. TS also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.6). Read A Res's advantage is update cadence (every 2 months vs every 4 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Read A Res sells 1 one-off in-app purchase. TS asks for nothing beyond the download.

Read A Res ships an update every 2 months, TS every 4 months. The most recent releases landed on November 2, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Read A Res | TS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (34 ratings)](https://appshunter.io/ios/app/read-a-res/id1437744283/reviews)** | — |
| Number of ratings | **34** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 18 MB | 11 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Enes Akkus](https://appshunter.io/developer/1416782412) | [广东保伦电子股份有限公司](https://appshunter.io/developer/933187149) |

## What reviewers say

### Read A Res

[App page](https://appshunter.io/ios/app/read-a-res/id1437744283)

Easily read and convert electronic component resistances. Input color codes or SMD values, and the application handles the rest. Offers a straightforward interface for quick calculations.

**Highlights:** Resistance reading, Resistance conversion, Color code input, SMD value input, Simple interface

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### TS

[App page](https://appshunter.io/ios/app/ts-20pd-4/id1466722676)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Read A Res free?

Read A Res is free to download, with in-app purchases available.

### Is TS free?

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

### Do Read A Res or TS have ads?

Read A Res shows ads; TS does not.

### Which is updated more often, Read A Res or TS?

Read A Res ships an update every 2 months, and TS every 4 months. Most recently, Read A Res was updated on November 2, 2026 and TS on October 26, 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.*