Comparison

Draw the Circle vs トンツー

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

Head to head

Draw the Circle

One Line to Rule the Circle！

モールス信号で遊ぶアーケードゲーム

About

Draw the Circle

Features

Read full description

It all takes 10 seconds! This is an app where you just draw a circle and compete for the highest score. It's sure to be a great way to kill some time with friends or family!

About

トンツー

Features

Read full description

TONTSU is an arcade-style casual game where you can learn Morse code while having fun. Shoot down the letters and numbers falling from the top of the screen by entering Morse code! How to Play Tap → Dot Long press → Dash Swipe → Quick dash input Enter the correct Morse code to make the characters disappear! Keep answering correctly to build combos and multiply your score. Features Retro 8-bit style graphics with CRT scanline effects Learn all Morse codes for A–Z and 0–9 step by step Difficulty increases based on your score, including falling speed and character variety Real communication terms such as SOS and MAYDAY appear in the game EXPERT Mode: Test your skills with Morse code hints hidden Beginner-friendly tutorial included

Screenshots

Draw the Circle3 screens

トンツー4 screens

Verdict

The call

The clearest difference is ads: Draw the Circle at none against トンツー's shown. トンツー's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, 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

Draw the Circle ships an update weekly, トンツー every 6 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level

Draw the Circle versus トンツー: the parameters behind the verdict, then further details
Parameter	Draw the Circle	トンツー
Price	Free	Free
Update frequency	Weekly	Every 6 days — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPad	iPhone, iPad, iPod — better
Requires iOS	17.0	15.0 — better
Further details — not scored
Size	9 MB	28 MB
Age rating	4+	4+
Developer	koichiro ookura	qwertyu

In-app purchases

None

Draw the Circle

No in-app purchases

None

トンツー

No in-app purchases

Questions

Is Draw the Circle free?

Draw the Circle is free to download, with no in-app purchases.

Is トンツー free?

トンツー is free to download, with no in-app purchases.

Do Draw the Circle or トンツー have ads?

トンツー shows ads; Draw the Circle does not.

Which is updated more often, Draw the Circle or トンツー?

Draw the Circle ships an update weekly, and トンツー every 6 days. Most recently, Draw the Circle was updated on October 30, 2026 and トンツー on October 31, 2026.