# Memora vs BiDoku

The clearest difference is review sentiment: Memora at 100% against BiDoku's 0%. Memora also leads on rating (5.0 vs 1.0) and in-app purchases (none vs 1). BiDoku's advantage is price (Free vs $2.99) and ads (none vs shown). On device support there is nothing between them.

BiDoku is free to download; Memora costs $2.99 up front. BiDoku sells 1 one-off in-app purchase. Memora asks for nothing beyond the download.

Memora holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Memora has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Memora's written reviews are positive against 0% of BiDoku's.

Memora ships an update fortnightly, BiDoku every 2 days. The most recent releases landed on September 29, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Memora | BiDoku |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/memora-sequence-memorization/id6752316992/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/bidoku/id6759069902/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 20 MB | 32 MB |
| Requires iOS | **18.5** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Loadinggg LLC](https://appshunter.io/developer/1830351264) | [Job Sierkstra](https://appshunter.io/developer/1674438160) |

## What reviewers say

### Memora

[App page](https://appshunter.io/ios/app/memora-sequence-memorization/id6752316992)

This brain training game challenges your short-term memory and concentration by having you repeat increasingly complex light sequences. It offers endless levels, unlockable customizations, and quick play sessions for on-the-go mental exercise. Designed for all ages, it's a fun way to keep your mind sharp.

**Highlights:** Memory sequence puzzles, Boosts focus and concentration, Endless levels with increasing difficulty, Unlockable game colors and shapes, Quick play sessions, Minimalist design

**Features:** macOS Compatibility

**In-app purchases:** none


### BiDoku

[App page](https://appshunter.io/ios/app/bidoku/id6759069902)

This logic puzzle game challenges you to fill a grid with 0s and 1s. Convert binary numbers to decimal and match row/column targets using pure logic. It offers a fresh twist on number puzzles for those who enjoy brain teasers.

**Highlights:** Binary number puzzles, Grid deduction gameplay, Multiple difficulty levels, Helper modes, Smart hint system, Best time tracking, Hard mode with grouped targets

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BiDoku Premium | $1.99 | one-time |


## Frequently asked questions

### Is Memora free?

Memora costs $2.99, with no in-app purchases.

### Is BiDoku free?

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

### Which has better reviews, Memora or BiDoku?

Memora is rated higher. Memora averages 5.0 out of 5 from 8 ratings, while BiDoku averages 1.0 from 1 ratings.

### Do Memora or BiDoku have ads?

Memora shows ads; BiDoku does not.

### Which is updated more often, Memora or BiDoku?

Memora ships an update fortnightly, and BiDoku every 2 days. Most recently, Memora was updated on September 29, 2026 and BiDoku on September 26, 2026.

---

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