Comparison

EmboRatio vs 3D解剖学アトラス：iRis

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

Head to head

EmboRatio

Volume embolization ratio Calc

About

EmboRatio

Features

Read full description

Displays the required length of the coil for the volume of the aneurysm. The current embolic rate can also be calculated. The Coils available only in Japan is listed.

About

3D解剖学アトラス：iRis

A detailed 3D anatomical atlas for medical professionals, offering high-definition models and search functionality. Explore intricate anatomical details, including fine nerves and vascular structures, for enhanced learning and education.

Highlights

High-definition 3D anatomical models
Searchable anatomical information
Model visibility controls
Cross-section visualization
Key atlas for critical anatomy

Features

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医療従事者の皆様の学習・教育への活用を目的とした3DアトラスをあなたのiPhone / iPadで。 ○高精細なモデル　脳神経外科医監修のもと、微細な神経を始めとした従来の3Dアトラスでは見られない解剖情報が確認できます。　海綿静脈洞や脳幹内の神経線維も表現。 ○その他機能　・解剖情報の検索機能　・モデルの表示/非表示機能　・切断面の可視化機能　・重要な場面を再現するキーアトラス機能

Screenshots

EmboRatio2 screens

3D解剖学アトラス：iRis4 screens

Verdict

The call

The clearest difference is price: EmboRatio at Free against 3D解剖学アトラス：iRis's $40.99. EmboRatio also leads on update cadence (every 4 months vs every 44 months). 3D解剖学アトラス：iRis's advantage is iOS requirement (12.0 vs 15.4). On 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

EmboRatio is free to download; 3D解剖学アトラス：iRis costs $40.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

EmboRatio ships an update every 4 months, 3D解剖学アトラス：iRis every 44 months. The most recent releases landed on July 24, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 5 level

EmboRatio versus 3D解剖学アトラス：iRis: the parameters behind the verdict, then further details
Parameter	EmboRatio	3D解剖学アトラス：iRis
Price	Free — better	$40.99
Positive reviews	—	60.0% of reviews
Update frequency	Every 4 months — better	Every 44 months
Ads	No	No
In-app purchases	No	No
Monetization	—	Paid
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.4	12.0 — better
Further details — not scored
Size	1 MB	491 MB
Age rating	4+	12+
Developer	Masaaki Hirata	株式会社Kompath

In-app purchases

None

EmboRatio

No in-app purchases

None

3D解剖学アトラス：iRis

No in-app purchases

Questions

Is EmboRatio free?

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

Is 3D解剖学アトラス：iRis free?

3D解剖学アトラス：iRis costs $40.99, with no in-app purchases.

Do EmboRatio or 3D解剖学アトラス：iRis have ads?

Neither EmboRatio nor 3D解剖学アトラス：iRis shows ads.

Which is updated more often, EmboRatio or 3D解剖学アトラス：iRis?

EmboRatio ships an update every 4 months, and 3D解剖学アトラス：iRis every 44 months. Most recently, EmboRatio was updated on July 24, 2026 and 3D解剖学アトラス：iRis on September 22, 2026.