# RS vs ZIP ONE

The clearest difference is in-app purchases: RS at none against ZIP ONE's 2. ZIP ONE's advantage is update cadence (weekly vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZIP ONE sells 2 one-off in-app purchases. RS asks for nothing beyond the download.

RS ships an update every 8 months, ZIP ONE weekly. The most recent releases landed on September 22, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RS | ZIP ONE |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.9 (75 ratings)](https://appshunter.io/ios/app/rs-ms1i/id1193842632/reviews)** | — |
| Number of ratings | **75** | — |
| Positive reviews | 15.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Free | — |
| Size | 34 MB | 5 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [ICOM INCORPORATED](https://appshunter.io/developer/1193842631) | [Atsushi Takagaki](https://appshunter.io/developer/6775498203) |

## What reviewers say

### RS

[App page](https://appshunter.io/ios/app/rs-ms1i/id1193842632)

Control compatible transceivers, share voice and pictures, and view station locations on a map. Access received station information, send text messages, and manage call sign and repeater lists. Customize transceiver and application settings for a streamlined experience.

**Highlights:** Transceiver DR functions, Send and receive voice and pictures, Map repeater and station locations, Read and edit received station information, Send and receive text messages, Manage call sign and repeater lists, Import/Export data

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

**In-app purchases:** none

**What reviewers like**

- 👍 Works with IC-705
- 👍 Works with ID-52
- 👍 Map feature useful
- 👍 Past contacts visible
- 👍 Quick bug fixes

**What reviewers complain about**

- 🐛 Crashes on map screen
- 🐛 Crashes when sending photos
- 🐛 Bluetooth connectivity issues
- 🐛 Not connecting to ID-52
- 🐛 Not connecting to iPhone

**Reported bugs**

- App crashes when using map function
- App crashes on map screen
- App closes when opening map
- Not staying connected to the app
- Connection unsuccessful error message

**Requested features**

- Add support for ID-5100
- Add support for ID-51A Plus 2
- Add support for ID-50
- Add support for IC-705
- Improve repeater list


### ZIP ONE

[App page](https://appshunter.io/ios/app/zip-one/id6775498201)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Usage Pack 10 | $0.49 | one-time |
| ZIP ONE Pro | $2.99 | one-time |


## Frequently asked questions

### Is RS free?

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

### Is ZIP ONE free?

ZIP ONE is free to download, with in-app purchases available.

### Do RS or ZIP ONE have ads?

Neither RS nor ZIP ONE shows ads.

### Which is updated more often, RS or ZIP ONE?

RS ships an update every 8 months, and ZIP ONE weekly. Most recently, RS was updated on September 22, 2026 and ZIP ONE on September 9, 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.*