Comparison

Dot to Dot Copy Practice vs Bio

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

Head to head

Dot to Dot Copy Practice

Visual skills and calmness

About

Dot to Dot Copy Practice

Features

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Calm, educational app for kids and therapy. Discover the joy of learning with Dot to Dot Copy Practice! This app offers engaging activities designed to enhance visual perceptual skills for children and therapeutic use. With soothing music, it creates a calming environment. Suitable for: - Early childhood education: Helps develop visual attention, memory, and spatial awareness. - Autism spectrum: Provides a therapeutic, calming activity that supports developmental growth. Ideal for children starting at age 3 and beyond.

About

Bio

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フラッシュ暗算トレーニングをゲーム化して「暗算力」を本格的に鍛えるためのアプリです。勉強が楽しくなる３つの理由 1. 伸び悩む時でも快感を感じ続けられる - レベルアップのたびに「できた！」という達成感 - 「自分はできる」という自信が日常生活にも好影響 2.スキマ時間で効率的にトレーニングできる - 1回10問、わずか数分で完了 - 通勤中、休憩時間、寝る前など、いつでもどこでも - ゲーム感覚だから、楽しく続けられる 3.「飽きた」がなくなるBGMの秘密 - 難易度が上がっていくごとにBGMが変化していきます - 変化は全部で１０段階

Screenshots

Dot to Dot Copy Practice4 screens

Bio4 screens

Verdict

The call

The clearest difference is update cadence: Dot to Dot Copy Practice at daily against Bio's every 6 months. Dot to Dot Copy Practice also leads on iOS requirement (12.0 vs 16.6). 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

Dot to Dot Copy Practice ships an update daily, Bio every 6 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 4 level

Dot to Dot Copy Practice versus Bio: the parameters behind the verdict, then further details
Parameter	Dot to Dot Copy Practice	Bio
Price	Free	Free
Update frequency	Daily — better	Every 6 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	12.0 — better	16.6
Further details — not scored
Size	48 MB	40 MB
Age rating	4+	4+
Developer	Kyohei Hosono	Shun Okamoto

In-app purchases

None

Dot to Dot Copy Practice

No in-app purchases

None

Bio

No in-app purchases

Questions

Is Dot to Dot Copy Practice free?

Dot to Dot Copy Practice is free to download, with no in-app purchases.

Is Bio free?

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

Do Dot to Dot Copy Practice or Bio have ads?

Neither Dot to Dot Copy Practice nor Bio shows ads.

Which is updated more often, Dot to Dot Copy Practice or Bio?

Dot to Dot Copy Practice ships an update daily, and Bio every 6 months. Most recently, Dot to Dot Copy Practice was updated on October 25, 2026 and Bio on October 28, 2026.