# OTenkeyCalc vs TS Compass

The clearest difference is ads: TS Compass at none against OTenkeyCalc's shown. TS Compass also leads on iOS requirement (12.0 vs 16.7.10). 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.

## The numbers

| Metric | OTenkeyCalc | TS Compass |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 37 MB | 30 MB |
| Requires iOS | 16.7.10 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [TWINSPIDER (SMC-PRIVATE) LIMITED](https://appshunter.io/developer/1583928547) |

## What reviewers say

### OTenkeyCalc

[App page](https://appshunter.io/ios/app/otenkeycalc/id6502439720)

**Features:** macOS Compatibility

**In-app purchases:** none


### TS Compass

[App page](https://appshunter.io/ios/app/ts-compass/id6502522505)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTenkeyCalc free?

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

### Is TS Compass free?

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

### Do OTenkeyCalc or TS Compass have ads?

OTenkeyCalc shows ads; TS Compass does not.

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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.*