Comparison

瞬間記憶 vs RemNum 〜数字を暗記するだけのアプリ

Q: 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.

Q: Do 瞬間記憶 or RemNum 〜 数字を暗記するだけのアプリ have ads?

瞬間記憶 shows ads; RemNum 〜 数字を暗記するだけのアプリ does not.

Q: Which is updated more often, 瞬間記憶 or RemNum 〜 数字を暗記するだけのアプリ?

瞬間記憶 ships an update every 2 months, and RemNum 〜 数字を暗記するだけのアプリ every 3 weeks. Most recently, 瞬間記憶 was updated on October 8, 2026 and RemNum 〜 数字を暗記するだけのアプリ on October 4, 2026.

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

Head to head

RemNum 〜数字を暗記するだけのアプリ

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Free

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About

瞬間記憶

A simple puzzle game designed to improve your memory and cognitive skills. Test your brain age by memorizing number patterns and tapping the correct sequence. Play regularly to activate your brain and see how sharp you are.

Highlights

Memory game with numbers
Brain age diagnosis
Simple tap controls
Brain activation through play
Puzzle gameplay

Features

Read full description

◆数字の記憶ゲームで頭が良くなる！簡単操作のパズルゲームであなたの脳年齢を診断します。遊び方はとっても簡単。数字の配置を記憶して答えの数字をタップするだけ！遊べば遊ぶほど脳が活性化されます。あなたの脳は何歳ですか？？

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

瞬間記憶4 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 瞬間記憶'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 2 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

瞬間記憶 ships an update every 2 months, RemNum 〜数字を暗記するだけのアプリ every 3 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 6 level

瞬間記憶 versus RemNum 〜数字を暗記するだけのアプリ: the parameters behind the verdict, then further details
Parameter	瞬間記憶	RemNum 〜数字を暗記するだけのアプリ
Price	Free	Free
Positive reviews	100.0% of reviews	—
Update frequency	Every 2 months	Every 3 weeks — better
Ads	Yes	No — better
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	11.0 — better	12.0
Further details — not scored
Size	101 MB	48 MB
Age rating	4+	4+
Developer	ZERONE	yoshitomo ishii

In-app purchases

None

瞬間記憶

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 瞬間記憶 free?

瞬間記憶 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 瞬間記憶 or RemNum 〜数字を暗記するだけのアプリ have ads?

瞬間記憶 shows ads; RemNum 〜数字を暗記するだけのアプリ does not.

Which is updated more often, 瞬間記憶 or RemNum 〜数字を暗記するだけのアプリ?

瞬間記憶 ships an update every 2 months, and RemNum 〜数字を暗記するだけのアプリ every 3 weeks. Most recently, 瞬間記憶 was updated on October 8, 2026 and RemNum 〜数字を暗記するだけのアプリ on October 4, 2026.