Comparison

Memory Space 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

Memory Space

Features
Read full description

Three lights flash in order. Repeat them by tapping the traffic light itself. Clear a round and one more light joins the sequence — the order you already learned stays the same, so every level asks you to hold a little more. Simple to pick up, hard to put down. See how far you and your friends can get. • Tap the lights directly — the same traffic light shows the sequence and takes your answer • Haptic feedback on every tap, with a distinct buzz when you get it wrong, so you can feel your mistakes • Game Center leaderboard • Available in English, Japanese and Traditional Chinese

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

Memory Space4 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 Memory Space'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 95 months) and device support (3 vs 1). On price and in-app purchases 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

Memory Space ships an update every 95 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 29, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 2 level
Memory Space versus RemNum 〜 数字を暗記するだけのアプリ: the parameters behind the verdict, then further details
ParameterMemory SpaceRemNum 〜 数字を暗記するだけのアプリ
PriceFreeFree
Update frequencyEvery 95 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.012.0 — better
Further details — not scored
Size4 MB48 MB
Age rating4+4+
DeveloperJunJie Yangyoshitomo ishii

In-app purchases

None

Memory Space

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 Memory Space free?
Memory Space 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 Memory Space or RemNum 〜 数字を暗記するだけのアプリ have ads?
Memory Space shows ads; RemNum 〜 数字を暗記するだけのアプリ does not.
Which is updated more often, Memory Space or RemNum 〜 数字を暗記するだけのアプリ?
Memory Space ships an update every 95 months, and RemNum 〜 数字を暗記するだけのアプリ every 3 weeks. Most recently, Memory Space was updated on October 29, 2026 and RemNum 〜 数字を暗記するだけのアプリ on November 4, 2026.

Other comparisons