Comparison

Biological clock vs MAKE NUMBER

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

Head to head

Biological clock

Is your body clock accurate?

Brain training game

About

Biological clock

Features

Read full description

Stop your body clock ... Stop the stopwatch exactly at the target time! ▼ What kind of app is a biological clock anywhere? It is an app that trains your body clock while having fun! Please compete with your family and friends! ▼ Let's aim for perfection! If you stop it exactly, it will be displayed as PERFECT! Please aim for PERFECT! ▼ You can select the time You can change the challenge time to 5 seconds, 10 seconds, and 30 seconds. The longer you spend, the more you can't stop without having an accurate body clock. By all means, aim for perfection at all times!

About

MAKE NUMBER

Features

Read full description

あなたの頭は固くなっていませんか？シンプルな計算ゲームで脳年齢をチェックしましょう！遊び方はとっても簡単です。 Q：MAKE25 足し算の合計が25になる3つの数字を選べ！答えは一つではありませんが、例えば、【15】【8】【2】の3つのパズルで合計25になります。操作方法は、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？？

Screenshots

Biological clock3 screens

MAKE NUMBER3 screens

Verdict

The call

The clearest difference is update cadence: MAKE NUMBER at every 2 months against Biological clock's every 13 months. On price, ads, in-app purchases and device support 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

Biological clock ships an update every 13 months, MAKE NUMBER every 2 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

Scorecard1 real difference · 5 level

Biological clock versus MAKE NUMBER: the parameters behind the verdict, then further details
Parameter	Biological clock	MAKE NUMBER
Price	Free	Free
Update frequency	Every 13 months	Every 2 months — better
Ads	Yes	Yes
In-app purchases	No	No
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	12.1	11.0 — better
Further details — not scored
Size	13 MB	132 MB
Age rating	4+	4+
Developer	HAREPPO	ZERONE

In-app purchases

None

Biological clock

No in-app purchases

None

MAKE NUMBER

No in-app purchases

Questions

Is Biological clock free?

Biological clock is free to download, with no in-app purchases.

Is MAKE NUMBER free?

MAKE NUMBER is free to download, with no in-app purchases.

Do Biological clock or MAKE NUMBER have ads?

Both Biological clock and MAKE NUMBER show ads.

Which is updated more often, Biological clock or MAKE NUMBER?

Biological clock ships an update every 13 months, and MAKE NUMBER every 2 months. Most recently, Biological clock was updated on October 8, 2026 and MAKE NUMBER on October 10, 2026.