Flash Numbers! vs Kioku?：Number Memory
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Flash Numbers!
Test your memory with this quick-reaction game where numbers flash on screen for a single second. Your goal is to recall and enter the displayed number accurately. It's a simple yet challenging way to sharpen your cognitive skills.
- Number recall challenge
- One-second display
- Memory testing
- Quick reaction gameplay
- Simple interface
Read full descriptionHide full description
This game is displayed number just one second, It is a game that you enter remember it.
Kioku?：Number Memory
Read full descriptionHide full description
**Simple rules. Memorize the number, then type it back in the same order.** A number appears on screen. Once it hides, tap it back in order on the custom number pad. Every correct answer adds another digit, so it keeps getting tougher. Miss, and you lose a life—run out and the game ends. How many digits can you reach? Quick to play and easy to pick up, Kioku is a number-memory game made for short breaks and chasing a new high score. Perfect for the commute or any spare moment. ■ Features • Pure number span: just memorize, then recall • Gradual ramp-up: starts at a single digit and grows on a gentle curve • Chunking hints: tips for grouping digits to remember them • Tracks your best score and highest level reached • A time bar and limit add just the right tension • Satisfying sound effects and haptics • Clean, dark, focus-friendly design • Multiple languages (English, Japanese, Spanish, Korean) ■ Great if you • Want a quick game for spare moments • Love memorizing numbers and beating your own records • Prefer calm, uncluttered game design How far can your memory—your “Kioku”—go?
Screenshots
Verdict
The clearest difference is in-app purchases: Flash Numbers! at none against Kioku?：Number Memory's 1. Flash Numbers! also leads on device support (3 vs 1) and iOS requirement (6.0 vs 17.0). On price and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Kioku?：Number Memory sells 1 one-off in-app purchase. Flash Numbers! asks for nothing beyond the download.
| Parameter | Flash Numbers! | Kioku?：Number Memory |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | — | Every 2 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 6.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 24 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | YUTA MIYOSHI | Yuichi Hiruta |
In-app purchases
Flash Numbers!
No in-app purchases
Kioku?：Number Memory
- Remove Ads$0.99
Questions
Is Flash Numbers! free?
Is Kioku?：Number Memory free?
Do Flash Numbers! or Kioku?：Number Memory have ads?
Other comparisons
