Comparison

i vs メディカAR

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

Head to head
About

i

This app allows users to hide text in study materials using a filter, mimicking a red sheet for effective memorization. It supports photos and PDFs, enabling studying anytime, anywhere with just a smartphone.

Highlights
  • Hide text with red filter effect
  • Study photos and PDFs
  • Add check marks for progress
  • Efficient study with navigation
  • Use anytime, anywhere
Read full description

【Ranked #1 in the Education category (free)】 【Over 1 million downloads】 Featured in various media: ・Fuji TV "Minna no News (2017/2/9)": Red-sheet generation stunned! A revolution in memorization methods ・Benesse Manapla: Make high school life even more fun! 3 useful apps ・Nikkei Trendy Net "TODA Satoru’s Deep-Dive Report on Gadgets": How working adults use iPad and handwriting apps for learning i-Memorization Sheet is an app for memorization study that hides words, sentences, dates, etc. using a filter so you can study them. The app uses image analysis to reproduce the same effect as using a real red filter. Therefore, red text in reference books can be hidden simply by photographing it. You can also import entire reference books by converting them to PDF. With just an iPhone, you can study anytime, anywhere. 【Benefits of i-Memorization Sheet】 - Study anytime, anywhere—e.g., easily memorize with one hand on the train. - Carry as many pages as you want just by bringing your smartphone. - Disappears better than real red sheets. All reddish colors are hidden. Green is fine if it's a fluorescent highlighter. - You can add check marks anywhere. Double-tap where you want to place a mark. There is also a function to jump to the next check mark, making studying very efficient. 【Supported materials】 - Photos and PDFs can be used. 【Pricing】 You can use the app for free for up to 10 pages in total. If you want to use more files/pages, please purchase an add-on. Ads are displayed, but purchasing the add-on can disable them.

About

メディカAR

This app enhances educational materials by overlaying interactive 3D models and animations onto textbooks and journals. Users can explore anatomical structures, visualize complex concepts, and bring static diagrams to life through augmented reality.

Highlights
  • Interactive 3D anatomical models
  • Animated textbook diagrams
  • AR visualization of veins and nerves
  • Supports nursing textbooks
  • Works with AR-enabled journals
  • Tap-to-focus camera
Features
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「メディカAR」はメディカ出版が制作したアプリです。下記のコンテンツに対応しています。 ○ナーシング・グラフィカ ○腕の血管AR ○AR対応の書籍 ○AR対応の専門誌・増刊 ○ナーシング・グラフィカ 看護学生向け教科書『ナーシング・グラフィカ』シリーズに対応。カメラを紙面の指定のマーカーにかざすと、 ◎関連する映像が表示される! ◎臓器が画面上で回転し、指でストップや逆回転ができる! ◎教科書の図がアニメーションで動き出す! などのコンテンツをご覧いただくことができます。 ○腕の血管AR 左腕の血管(動脈・静脈)や神経の大まかな位置を確認できます。自分の左腕に重ねあわせて、血管の走行を覚えることができます。 ◆iOS10.0以降の機種が対象です。本バージョンではiOS13(iPad OS 13)までの機種で動作確認済みです。 ◆使い方 「メディカAR」アプリを起動。スキャン画面になったら端末をマーカーにかざしてください。 *端末をかざすと、ピントが自動的に合います。ピントが合わない場合は、画面をタップして合わせてください。 *認識されない場合は、マーカーに近づけたり遠ざけたりして調整してください。 *蛍光灯などの光の反射やゆがみ、折れなどがある場合は認識されない場合があります。 【注意事項】 ・インターネット回線に接続した状態でご利用ください。 ・ARコンテンツの視聴は無料ですが、通信料金はご利用される方のご負担となります。通信料金定額サービスにご加入でない方は、高額になる可能性がありますのでご注意ください。 ・アプリのダウンロードに際して、万一お客様に損害が生じたとしても、当社は何ら責任を負うものではありません。 ・コンテンツ等を予告なく変更・削除することがあります。 ・通信状況や機種、iOSのバージョンなどによっては正常に作動しない場合があります。

Screenshots

i3 screens
メディカAR3 screens

Verdict

The call

The clearest difference is review sentiment: i at 43% against メディカAR's 5%. i also leads on update cadence (every 6 days vs every 3 months). メディカAR's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price 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. i sells 10 one-off in-app purchases. メディカAR asks for nothing beyond the download.

UpkeepUpdate frequency

i ships an update every 6 days, メディカAR every 3 months. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

Scorecard6 real differences · 4 level
i versus メディカAR: the parameters behind the verdict, then further details
ParameteriメディカAR
PriceFreeFree
Rating4.2 (10 ratings) — better—
Positive reviews42.9% of reviews — better5.1% of reviews
Number of ratings10 — better—
Update frequencyEvery 6 days — betterEvery 3 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.011.0 — better
Further details — not scored
Size67 MB236 MB
Age rating4+4+
DeveloperBrainApp LLCMEDICUS SHUPPAN, Publishers Co.,Ltd.

Customer experience

i

All ratings10 ratings
Positive90.0%
Neutral0.0%
Negative10.0%
Written reviews77 reviews
Positive42.9%
Neutral10.4%
Negative46.8%

メディカAR

Written reviews39 reviews
Positive5.1%
Neutral7.7%
Negative87.2%

In-app purchases

10 purchases

i

One-time10
  • i-Memorize Sheet Remove ADs Option$0.99
  • imc00010$0.99
  • imc00020$0.99
Show 7 more
  • i-Mem-Contents imc00030$0.99
  • i-Mem-Contents imc00040$0.99
  • i-Mem-Contents imc00010$0.99
  • i-memorize Sheet File-Limit release add-on$2.99
  • i-memorize Sheet PDF page-Limit release add-on$4.99
  • Pro licence(campaign)$5.99
  • i-memorize Sheet Limit release add-on$6.99
None

メディカAR

No in-app purchases

Questions

Is i free?
i is free to download, with in-app purchases available.
Is メディカAR free?
メディカAR is free to download, with no in-app purchases.
Do i or メディカAR have ads?
i shows ads; メディカAR does not.
Which is updated more often, i or メディカAR?
i ships an update every 6 days, and メディカAR every 3 months. Most recently, i was updated on October 15, 2026 and メディカAR on October 12, 2026.

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