# 9011B vs RRTool

The clearest difference is update cadence: RRTool at every 4 months against 9011B's every 12 months. 9011B's advantage is 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.

9011B ships an update every 12 months, RRTool every 4 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 9011B | RRTool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 months** |
| Size | 23 MB | 5 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jenco Instruments, Inc.](https://appshunter.io/developer/1275832649) | [Bay Area Instruments Inc.](https://appshunter.io/developer/1649065401) |

## What reviewers say

### 9011B

[App page](https://appshunter.io/ios/app/9011b/id1512549549)

**Features:** macOS Compatibility

**In-app purchases:** none


### RRTool

[App page](https://appshunter.io/ios/app/rrtool/id6443753484)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 9011B free?

9011B is free to download, with no in-app purchases.

### Is RRTool free?

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

### Do 9011B or RRTool have ads?

Neither 9011B nor RRTool shows ads.

### Which is updated more often, 9011B or RRTool?

9011B ships an update every 12 months, and RRTool every 4 months. Most recently, 9011B was updated on October 25, 2026 and RRTool on October 27, 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.*