Comparison

FlashNumbers:Train your memory vs RemNum 〜 数字を暗記するだけのアプリ

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

FlashNumbers:Train your memory

This game challenges your visual acuity and memory by having you memorize and input numbers shown briefly on screen. Progress through increasing difficulty levels and track your daily improvements with graphs. Share your high scores on social media.

Highlights
  • Memorize and input numbers
  • Dynamic visual acuity training
  • Multiple difficulty levels
  • Daily improvement graphs
  • Tutorial for beginners
  • Share results to SNS
Features
Read full description

【overview】 It is an application that challenges the limits of dynamic visual acuity and memory. By playing repeatedly, you can also train your dynamic visual acuity and memory. It is a game to memorize and input the numbers displayed on the screen only for a moment. As you continue to answer correctly, the time displayed will decrease little by little. The game continues until you make a mistake. Test your limits or use it to train your dynamic vision and memory. We have prepared several difficulty levels, so please play with the difficulty level that suits you. We recommend that you start with the easy ones first. You can post the results to various SNS by pressing the Share button on the result screen. Please share if you get good results. The app permissions require access to storage, but I'm using it to take screenshots for posting. You can see the number of correct answers every day in a graph, so you can see how much you have improved. 【function】 There are 5 levels: Beginner, Elementary, Intermediate, Advanced and Advanced. Three numbers are displayed in the introductory. After that, it will increase by 1, and it will be 7 in special class. ・Tutorial function. We have tutorials for beginners. You can learn how to play while actually experiencing. ・You can see the record of each game. ・Changes in the number of clears for each difficulty level for 31 days are displayed in a graph. 【Operation instructions】 Enter a number using the numeric buttons on the lower left. If you want to erase one character, press Back. After entering, click OK to proceed. 【price】 You can play all for free.

About

RemNum 〜 数字を暗記するだけのアプリ

Features
Read full description

This is an app that only memorizes numbers. This app displays numbers one character at a time in order, so all you have to do is memorize and enter them. Use it for memory training.

Screenshots

FlashNumbers:Train your memory4 screens
RemNum 〜 数字を暗記するだけのアプリ1 screens

Verdict

The call

The clearest difference is ads: RemNum 〜 数字を暗記するだけのアプリ at none against FlashNumbers:Train your memory's shown. RemNum 〜 数字を暗記するだけのアプリ also leads on update cadence (every 3 weeks vs every 17 months). On price, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

FlashNumbers:Train your memory ships an update every 17 months, RemNum 〜 数字を暗記するだけのアプリ every 3 weeks. The most recent releases landed on September 9, 2026 and May 14, 2026 respectively.

Scorecard2 real differences · 8 level
FlashNumbers:Train your memory versus RemNum 〜 数字を暗記するだけのアプリ: the parameters behind the verdict, then further details
ParameterFlashNumbers:Train your memoryRemNum 〜 数字を暗記するだけのアプリ
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings1 — better—
Update frequencyEvery 17 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size52 MB48 MB
Age rating4+4+
DeveloperJun Koizumiyoshitomo ishii

In-app purchases

None

FlashNumbers:Train your memory

No in-app purchases

None

RemNum 〜 数字を暗記するだけのアプリ

No in-app purchases

Questions

Is FlashNumbers:Train your memory free?
FlashNumbers:Train your memory is free to download, with no in-app purchases.
Is RemNum 〜 数字を暗記するだけのアプリ free?
RemNum 〜 数字を暗記するだけのアプリ is free to download, with no in-app purchases.
Do FlashNumbers:Train your memory or RemNum 〜 数字を暗記するだけのアプリ have ads?
FlashNumbers:Train your memory shows ads; RemNum 〜 数字を暗記するだけのアプリ does not.
Which is updated more often, FlashNumbers:Train your memory or RemNum 〜 数字を暗記するだけのアプリ?
FlashNumbers:Train your memory ships an update every 17 months, and RemNum 〜 数字を暗記するだけのアプリ every 3 weeks. Most recently, FlashNumbers:Train your memory was updated on September 9, 2026 and RemNum 〜 数字を暗記するだけのアプリ on May 14, 2026.

Other comparisons