# Sequence Memory Test Puzzle vs HaloStack

The clearest difference is ads: HaloStack at none against Sequence Memory Test Puzzle's shown. HaloStack also leads on update cadence (every 9 days vs every 6 months) and iOS requirement (13.0 vs 15.6). On price, 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.

Sequence Memory Test Puzzle ships an update every 6 months, HaloStack every 9 days. The most recent releases landed on September 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Sequence Memory Test Puzzle | HaloStack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 9 days** |
| Size | 99 MB | 81 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RAJAMRAGHU TECH](https://appshunter.io/developer/1772439027) | [CdPlus](https://appshunter.io/developer/446082621) |

## What reviewers say

### Sequence Memory Test Puzzle

[App page](https://appshunter.io/ios/app/sequence-memory-test-puzzle/id6758544281)

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

**In-app purchases:** none


### HaloStack

[App page](https://appshunter.io/ios/app/halostack-circular-puzzle/id6761543119)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sequence Memory Test Puzzle free?

Sequence Memory Test Puzzle is free to download, with no in-app purchases.

### Is HaloStack free?

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

### Do Sequence Memory Test Puzzle or HaloStack have ads?

Sequence Memory Test Puzzle shows ads; HaloStack does not.

### Which is updated more often, Sequence Memory Test Puzzle or HaloStack?

Sequence Memory Test Puzzle ships an update every 6 months, and HaloStack every 9 days. Most recently, Sequence Memory Test Puzzle was updated on September 13, 2026 and HaloStack on September 24, 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.*