# RTProSL+ vs Checkmate by Pentapedal

The clearest difference is update cadence: RTProSL+ at every 5 weeks against Checkmate by Pentapedal's every 5 months. Checkmate by Pentapedal's advantage is iOS requirement (12.1 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.

RTProSL+ ships an update every 5 weeks, Checkmate by Pentapedal every 5 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | RTProSL+ | Checkmate by Pentapedal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Size | 8 MB | 32 MB |
| Requires iOS | 15.6 | **12.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rental Tracker, Inc.](https://appshunter.io/developer/935518347) | [Bright Spot Creative, LLC](https://appshunter.io/developer/990334078) |

## What reviewers say

### RTProSL+

[App page](https://appshunter.io/ios/app/rtprosl-plus/id935518348)

**In-app purchases:** none


### Checkmate by Pentapedal

[App page](https://appshunter.io/ios/app/checkmate-by-pentapedal/id1507722834)

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

**In-app purchases:** none


## Frequently asked questions

### Is RTProSL+ free?

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

### Is Checkmate by Pentapedal free?

Checkmate by Pentapedal is free to download, with no in-app purchases.

### Do RTProSL+ or Checkmate by Pentapedal have ads?

Neither RTProSL+ nor Checkmate by Pentapedal shows ads.

### Which is updated more often, RTProSL+ or Checkmate by Pentapedal?

RTProSL+ ships an update every 5 weeks, and Checkmate by Pentapedal every 5 months. Most recently, RTProSL+ was updated on October 26, 2026 and Checkmate by Pentapedal on October 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.*