# Sequence Cubes vs Tap Duo

The clearest difference is in-app purchases: Tap Duo at none against Sequence Cubes's 3. Tap Duo also leads on update cadence (every 5 days vs every 2 months) and iOS requirement (14.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Sequence Cubes sells 3 one-off in-app purchases. Tap Duo asks for nothing beyond the download.

Sequence Cubes ships an update every 2 months, Tap Duo every 5 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Sequence Cubes | Tap Duo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 27 MB | 8 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Steven Tulissi](https://appshunter.io/developer/1526136085) | [Krishna Raj Salim](https://appshunter.io/developer/1638689285) |

## What reviewers say

### Sequence Cubes

[App page](https://appshunter.io/ios/app/sequence-cubes/id1548227276)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 500 Credits | $1.99 | one-time |
| 2,500 Credits | $3.99 | one-time |
| 10,000 Credits | $6.99 | one-time |


### Tap Duo

[App page](https://appshunter.io/ios/app/tap-duo/id6741735527)

**In-app purchases:** none


## Frequently asked questions

### Is Sequence Cubes free?

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

### Is Tap Duo free?

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

### Do Sequence Cubes or Tap Duo have ads?

Neither Sequence Cubes nor Tap Duo shows ads.

### Which is updated more often, Sequence Cubes or Tap Duo?

Sequence Cubes ships an update every 2 months, and Tap Duo every 5 days. Most recently, Sequence Cubes was updated on October 13, 2026 and Tap Duo on October 7, 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.*