# IBM RF vs Dunamis Con 25

The clearest difference is update cadence: Dunamis Con 25 at weekly against IBM RF's monthly. IBM RF's advantage is iOS requirement (13.0 vs 16.0). 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.

IBM RF ships an update monthly, Dunamis Con 25 weekly. The most recent releases landed on October 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IBM RF | Dunamis Con 25 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 65 MB | 72 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Teuassuri Cardoso](https://appshunter.io/developer/1062455129) | [Movimento Dunamis](https://appshunter.io/developer/1482407201) |

## What reviewers say

### IBM RF

[App page](https://appshunter.io/ios/app/ibm-rf/id6670686366)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dunamis Con 25

[App page](https://appshunter.io/ios/app/dunamis-con-25/id6737127141)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IBM RF free?

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

### Is Dunamis Con 25 free?

Dunamis Con 25 is free to download, with no in-app purchases.

### Do IBM RF or Dunamis Con 25 have ads?

Neither IBM RF nor Dunamis Con 25 shows ads.

### Which is updated more often, IBM RF or Dunamis Con 25?

IBM RF ships an update monthly, and Dunamis Con 25 weekly. Most recently, IBM RF was updated on October 3, 2026 and Dunamis Con 25 on October 25, 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.*