# DOS vs Modus RFID+

The clearest difference is iOS requirement: DOS at 10.0 against Modus RFID+'s 16.4. On price, update cadence, ads and in-app purchases 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, Modus RFID+ every 3 months. The most recent releases landed on September 10, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | DOS | Modus RFID+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 16 MB | 189 MB |
| Requires iOS | **10.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Talitor Technology Inc.](https://appshunter.io/developer/569753332) | [InTech Software Solutions Inc](https://appshunter.io/developer/1608959502) |

## What reviewers say

### DOS

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Modus RFID+

[App page](https://appshunter.io/ios/app/modus-rfid-plus/id1615087874)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DOS free?

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

### Is Modus RFID+ free?

Modus RFID+ is free to download, with no in-app purchases.

### Do DOS or Modus RFID+ have ads?

Neither DOS nor Modus RFID+ shows ads.

### Which is updated more often, DOS or Modus RFID+?

DOS ships an update every 6 weeks, and Modus RFID+ every 3 months. Most recently, DOS was updated on September 10, 2026 and Modus RFID+ on July 28, 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.*