# Sequence vs AstroBrain Space Program

The clearest difference is update cadence: AstroBrain Space Program at fortnightly against Sequence's every 3 months. AstroBrain Space Program also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sequence sells 2 one-off in-app purchases and AstroBrain Space Program sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sequence ships an update every 3 months, AstroBrain Space Program fortnightly. The most recent releases landed on September 23, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Sequence | AstroBrain Space Program |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sequence-a-memory-challenge/id1609878481/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 24 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dustin Wiens](https://appshunter.io/developer/1495273178) | [Francisco Javier Rodriguez Donado](https://appshunter.io/developer/1778534980) |

## What reviewers say

### Sequence

[App page](https://appshunter.io/ios/app/sequence-a-memory-challenge/id1609878481)

Test your memory by tapping numbered tiles in the correct order. Choose from various difficulty levels, grid sizes, and game modes to challenge yourself. See how long you can last in the infinite mode.

**Highlights:** Memorize numbered tile sequences, Tap tiles in correct order, Multiple difficulty levels, Variable grid sizes, Sequential number mode, Non-sequential number mode, Multiples of 2 mode, Infinite mode

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Non-Consecutive Game | $0.99 | one-time |
| Multiples of 2 | $0.99 | one-time |


### AstroBrain Space Program

[App page](https://appshunter.io/ios/app/astrobrain-space-program/id6737922303)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AstroBrain Pro | $2.99 | one-time |


## Frequently asked questions

### Is Sequence free?

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

### Is AstroBrain Space Program free?

AstroBrain Space Program is free to download, with in-app purchases available.

### Do Sequence or AstroBrain Space Program have ads?

Neither Sequence nor AstroBrain Space Program shows ads.

### Which is updated more often, Sequence or AstroBrain Space Program?

Sequence ships an update every 3 months, and AstroBrain Space Program fortnightly. Most recently, Sequence was updated on September 23, 2026 and AstroBrain Space Program on September 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.*