Comparison

レーダー地図 vs Tanka Note

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

Head to head
About

レーダー地図

Features
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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。

About

Tanka Note

Features
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“Tanka Note” allows you to easily write down and save your tanka. You can use five lists to save your tanka: spring, summer, autumn, winter, and no season. (How to use) - If you put 5, 7, 5, 7, 7 in the five frames on the right side, the tanka will appear on the left side. The sixth frame on the right is the author's name. The pull-down button below it allows you to change the color of the season. - Tanka can be saved in a seasonal list. In the seasonal list, you can delete, reorder, and save the list. You can also swipe right on an individual tanka to bring it back to the main screen. - You can browse your tanka, and switch between 1-line, 2-line, and 5-line displays. - You can also have the voice read out loud by pressing the "Voice" button. The type of voice can be changed in the device settings. - You can tweet your tanka by clicking the "Tweet" button. Hashtags can be changed in the settings screen.

Screenshots

レーダー地図4 screens
Tanka Note3 screens

Verdict

The call

The clearest difference is in-app purchases: レーダー地図 at none against Tanka Note's 1. レーダー地図 also leads on ads (none vs shown). Tanka Note's advantage is update cadence (every 6 weeks vs every 30 months). On price, device support and iOS requirement 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. Tanka Note sells 1 one-off in-app purchase. レーダー地図 asks for nothing beyond the download.

UpkeepUpdate frequency

レーダー地図 ships an update every 30 months, Tanka Note every 6 weeks. Both last shipped on November 3, 2026.

Scorecard3 real differences · 3 level
レーダー地図 versus Tanka Note: the parameters behind the verdict, then further details
Parameterレーダー地図Tanka Note
PriceFreeFree
Update frequencyEvery 30 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.014.0
Further details — not scored
Size6 MB8 MB
Age rating4+4+
DeveloperYoshiyuki KoyanagiMihoko Araki

In-app purchases

None

レーダー地図

No in-app purchases

1 purchases

Tanka Note

One-time1
  • No Ads$2.99

Questions

Is レーダー地図 free?
レーダー地図 is free to download, with no in-app purchases.
Is Tanka Note free?
Tanka Note is free to download, with in-app purchases available.
Do レーダー地図 or Tanka Note have ads?
Tanka Note shows ads; レーダー地図 does not.
Which is updated more often, レーダー地図 or Tanka Note?
レーダー地図 ships an update every 30 months, and Tanka Note every 6 weeks. Most recently, レーダー地図 was updated on November 3, 2026 and Tanka Note on November 3, 2026.

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