Comparison

NDscanner Lite vs レーダー地図

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

Head to head

About

NDscanner Lite

This utility automatically saves book page images to your photo album when it detects a page turn and stillness. It offers a streamlined way to digitize physical documents. A full version is available without advertisements.

Highlights

Automatic page detection
Image saving to Photo Album
Non-destructive scanning
Ad-supported free version
Full version available

Features

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NDscanner is a non destructive book scanner. After "Scan Start" button is pressed, a camera image is automatically saved to the Photo Album when detecting turning page and staying still for a while. There is a full-version which does not show an advertisement and annoying pop-up message.

About

レーダー地図

Features

Read full description

半径を指定して、その圏内にある項目を表示するための地図アプリです。視覚に障害のある方でも操作しやすいようVoiceOverに最適化されています。

Screenshots

NDscanner Lite1 screens

レーダー地図4 screens

Verdict

The call

The clearest difference is ads: レーダー地図 at none against NDscanner Lite's shown. NDscanner Lite's advantage is update cadence (every 4 months vs every 30 months) and iOS requirement (11.0 vs 14.0). On price, 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

NDscanner Lite ships an update every 4 months, レーダー地図 every 30 months. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

Scorecard3 real differences · 5 level

NDscanner Lite versus レーダー地図: the parameters behind the verdict, then further details
Parameter	NDscanner Lite	レーダー地図
Price	Free	Free
Positive reviews	33.3% of reviews	—
Update frequency	Every 4 months — better	Every 30 months
Ads	Yes	No — better
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	11.0 — better	14.0
Further details — not scored
Size	6 MB	6 MB
Age rating	4+	4+
Developer	Takuya Kawakami	Yoshiyuki Koyanagi

In-app purchases

None

NDscanner Lite

No in-app purchases

None

レーダー地図

No in-app purchases

Questions

Is NDscanner Lite free?

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

Is レーダー地図 free?

レーダー地図 is free to download, with no in-app purchases.

Do NDscanner Lite or レーダー地図 have ads?

NDscanner Lite shows ads; レーダー地図 does not.

Which is updated more often, NDscanner Lite or レーダー地図?

NDscanner Lite ships an update every 4 months, and レーダー地図 every 30 months. Most recently, NDscanner Lite was updated on September 18, 2026 and レーダー地図 on September 9, 2026.