# DOS vs OFF_Indel B

The clearest difference is update cadence: OFF_Indel B at every 2 weeks against DOS's every 6 weeks. DOS's advantage is iOS requirement (10.0 vs 13.0). 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.

DOS ships an update every 6 weeks, OFF_Indel B every 2 weeks. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | DOS | OFF_Indel B |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 16 MB | 63 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Talitor Technology Inc.](https://appshunter.io/developer/569753332) | [INDELB SPA](https://appshunter.io/developer/1519213830) |

## What reviewers say

### DOS

[App page](https://appshunter.io/ios/app/dos-v-plus/id1444331036)

**Features:** macOS Compatibility

**In-app purchases:** none


### OFF_Indel B

[App page](https://appshunter.io/ios/app/off-indel-b/id6476655772)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DOS free?

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

### Is OFF_Indel B free?

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

### Do DOS or OFF_Indel B have ads?

Neither DOS nor OFF_Indel B shows ads.

### Which is updated more often, DOS or OFF_Indel B?

DOS ships an update every 6 weeks, and OFF_Indel B every 2 weeks. Most recently, DOS was updated on September 10, 2026 and OFF_Indel B on September 20, 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.*