# RSM vs RO

The clearest difference is update cadence: RO at every 6 weeks against RSM's every 16 months. RO also leads on iOS requirement (9.0 vs 14.0). 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.

RSM ships an update every 16 months, RO every 6 weeks. The most recent releases landed on September 21, 2026 and August 29, 2026 respectively.

## The numbers

| Metric | RSM | RO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 83 MB | 44 MB |
| Requires iOS | 14.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Switchstance](https://appshunter.io/developer/1357632891) | [Eyeled GmbH](https://appshunter.io/developer/335208623) |

## What reviewers say

### RSM

[App page](https://appshunter.io/ios/app/rsm/id562559424)

**Features:** macOS Compatibility

**In-app purchases:** none


### RO

[App page](https://appshunter.io/ios/app/ro-ka-tech/id1454022156)

Plan your trade fair visit efficiently with this app. Create exhibitor lists, optimize your route with interactive hall plans, and stay updated on all events and appointments. Capture important details with photo and note functions.

**Highlights:** Exhibitor list with filter, Interactive hall plans, Conference program overview, Favorites function, Photo and note function, Intelligent search

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

**In-app purchases:** none


## Frequently asked questions

### Is RSM free?

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

### Is RO free?

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

### Do RSM or RO have ads?

Neither RSM nor RO shows ads.

### Which is updated more often, RSM or RO?

RSM ships an update every 16 months, and RO every 6 weeks. Most recently, RSM was updated on September 21, 2026 and RO on August 29, 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.*