# StarPOS CS vs リザーブキーパー CTI

The clearest difference is update cadence: StarPOS CS at every 2 months against リザーブキーパー CTI's every 11 months. StarPOS CS also leads on iOS requirement (11.0 vs 15.6). 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.

StarPOS CS ships an update every 2 months, リザーブキーパー CTI every 11 months. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | StarPOS CS | リザーブキーパー CTI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Size | 28 MB | 5 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [株式会社ネクストベリー](https://appshunter.io/developer/942401004) | [株式会社エアネット](https://appshunter.io/developer/1195517891) |

## What reviewers say

### StarPOS CS

[App page](https://appshunter.io/ios/app/starpos-cs/id958002896)

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

**In-app purchases:** none


### リザーブキーパー CTI

[App page](https://appshunter.io/ios/app/cti/id1195517892)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StarPOS CS free?

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

### Is リザーブキーパー CTI free?

リザーブキーパー CTI is free to download, with no in-app purchases.

### Do StarPOS CS or リザーブキーパー CTI have ads?

Neither StarPOS CS nor リザーブキーパー CTI shows ads.

### Which is updated more often, StarPOS CS or リザーブキーパー CTI?

StarPOS CS ships an update every 2 months, and リザーブキーパー CTI every 11 months. Most recently, StarPOS CS was updated on September 11, 2026 and リザーブキーパー CTI on September 10, 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.*