# Black Diamond vs RBBusinessApp

Black Diamond and RBBusinessApp are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on September 10, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Black Diamond | RBBusinessApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 93 MB | 52 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [STAKHOV GROUP, TOV](https://appshunter.io/developer/1501335251) | [AKTSIONERNY BANK RADABANK, PAT](https://appshunter.io/developer/1270253547) |

## What reviewers say

### Black Diamond

[App page](https://appshunter.io/ios/app/black-diamond/id6475722012)

**Features:** macOS Compatibility

**In-app purchases:** none


### RBBusinessApp

[App page](https://appshunter.io/ios/app/rbbusinessapp/id6480207362)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Black Diamond free?

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

### Is RBBusinessApp free?

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

### Do Black Diamond or RBBusinessApp have ads?

Neither Black Diamond nor RBBusinessApp shows ads.

### Which is updated more often, Black Diamond or RBBusinessApp?

Black Diamond ships an update every 6 weeks, and RBBusinessApp every 6 weeks. Most recently, Black Diamond was updated on September 10, 2026 and RBBusinessApp on May 17, 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.*