# Sequence vs Recall'em Number Challenge!

The clearest difference is in-app purchases: Recall'em Number Challenge! at none against Sequence's 2. Recall'em Number Challenge! also leads on update cadence (every 2 days vs every 3 months). Sequence's advantage is ads (none vs shown). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Sequence sells 2 one-off in-app purchases. Recall'em Number Challenge! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Sequence against 5.0 for Recall'em Number Challenge!. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Sequence ships an update every 3 months, Recall'em Number Challenge! every 2 days. The most recent releases landed on September 23, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Sequence | Recall'em Number Challenge! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/sequence-a-memory-challenge/id1609878481/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/recallem-number-challenge/id6462798141/reviews) |
| Number of ratings | **4** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 1 MB | 10 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dustin Wiens](https://appshunter.io/developer/1495273178) | [Jordan DiOrazio](https://appshunter.io/developer/1697251344) |

## 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 |


### Recall'em Number Challenge!

[App page](https://appshunter.io/ios/app/recallem-number-challenge/id6462798141)

Test your cognitive skills with this addictive memory game. Memorize and recall number sequences to improve concentration and boost recall abilities. Progress through difficulty levels, use strategic bonuses, and unlock achievements.

**Highlights:** Memorize and recall number sequences, Multiple difficulty levels, Strategic bonuses, Unlockable achievements, Visually appealing graphics, Track high scores

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sequence free?

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

### Is Recall'em Number Challenge! free?

Recall'em Number Challenge! is free to download, with no in-app purchases.

### Which has better reviews, Sequence or Recall'em Number Challenge!?

Sequence and Recall'em Number Challenge! are both rated 5.0 out of 5 on the App Store, from 4 and 2 ratings respectively.

### Do Sequence or Recall'em Number Challenge! have ads?

Recall'em Number Challenge! shows ads; Sequence does not.

### Which is updated more often, Sequence or Recall'em Number Challenge!?

Sequence ships an update every 3 months, and Recall'em Number Challenge! every 2 days. Most recently, Sequence was updated on September 23, 2026 and Recall'em Number Challenge! on September 8, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*