# RICHSIS vs OTS online

The clearest difference is iOS requirement: RICHSIS at 13.0 against OTS online's 15.0. On price, ads, 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 | RICHSIS | OTS online |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Size | 49 MB | 22 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ho Duc Duck Limited](https://appshunter.io/developer/1848092169) | [Initial Innovation Limited](https://appshunter.io/developer/1039641528) |

## What reviewers say

### RICHSIS

[App page](https://appshunter.io/ios/app/richsis/id6754378429)

**Features:** macOS Compatibility

**In-app purchases:** none


### OTS online

[App page](https://appshunter.io/ios/app/ots-online/id6761255615)

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

**In-app purchases:** none


## Frequently asked questions

### Is RICHSIS free?

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

### Is OTS online free?

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

### Do RICHSIS or OTS online have ads?

Neither RICHSIS nor OTS online shows ads.

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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.*