# QubeDB vs Cube Coach

The clearest difference is ads: QubeDB at none against Cube Coach's shown. QubeDB also leads on iOS requirement (15.1 vs 17.0). Cube Coach's advantage is update cadence (every 9 days vs every 5 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. QubeDB sells 2 in-app purchases, starting at $3.99 per month and Cube Coach sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

QubeDB ships an update every 5 weeks, Cube Coach every 9 days. The most recent releases landed on September 15, 2026 and August 14, 2026 respectively.

## The numbers

| Metric | QubeDB | Cube Coach |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Size | 46 MB | 6 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert Leon Krug](https://appshunter.io/developer/1882556195) | [Yonghao Xu](https://appshunter.io/developer/1896473497) |

## What reviewers say

### QubeDB

[App page](https://appshunter.io/ios/app/qubedb/id6760085999)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Qube DB Pro - Monthly | $3.99 | per month |
| QubeDB Pro - Yearly | $39.99 | per year |


### Cube Coach

[App page](https://appshunter.io/ios/app/cube-coach-3x3-solver-and-timer/id6770179692)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Master the Cube | $8.99 | one-time |


## Frequently asked questions

### Is QubeDB free?

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

### Is Cube Coach free?

Cube Coach is free to download, with in-app purchases available.

### Do QubeDB or Cube Coach have ads?

Cube Coach shows ads; QubeDB does not.

### Which is updated more often, QubeDB or Cube Coach?

QubeDB ships an update every 5 weeks, and Cube Coach every 9 days. Most recently, QubeDB was updated on September 15, 2026 and Cube Coach on August 14, 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.*