Comparison

亀の瀬地すべりナビ vs DisasterPreparednessDrillBook

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

Head to head
About

亀の瀬地すべりナビ

Features
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令和2年に日本遺産認定を受けた「龍田古道・亀の瀬」の構成文化財の一つである「亀の瀬地すべり」でのインフラツーリズムの充実を目的として制作したアプリです。 当アプリは ●ARを使用した地中の地すべり対策工の可視化 ●地すべりにより破壊され、現在は使用されていない旧大阪鉄道亀瀬トンネル遺構での、当時走行していた蒸気機関車ARアニメーション ●クイズ ●地すべりメカニズムコンテンツ を通して理解を深めるものです。 ARのマーカーは亀の瀬の特定の場所にあり体験ができます。

About

DisasterPreparednessDrillBook

Features
Read full description

Japan experiences various natural disasters, including earthquakes, tsunamis, volcanic eruptions, landslides, and floods. Every year, these disasters occur, and unfortunately, many people are affected, sometimes losing their lives. In the 2011 Great East Japan Earthquake, ALTs from the United States lost their lives to the tsunami. To avoid disaster, it is crucial to quickly understand where, what, and how something is happening, and what to do when disaster strikes. However, much of this information in Japan is provided in Japanese. During a disaster, you may also need to ensure the safety of students in your classroom. This app provides drills to learn essential terminology needed at actual disaster sites and fundamental disaster knowledge you should know. App Features: ・Learn essential Japanese for earthquakes and tsunamis by repeatedly listening to audio. ・Carefully selected words and sentences actually used during disasters. ・Includes audio and video from real disaster drills, enabling practical learning of Japanese for emergencies. ・Learn about the types of natural disasters occurring in Japan. ・Acquire fundamental knowledge about earthquakes and tsunamis. This app was created in collaboration with Japanese language professors at the University of Alaska and other U. S. institutions, and faculty at Iwate University in Japan.

Screenshots

亀の瀬地すべりナビ4 screens
DisasterPreparednessDrillBook4 screens

Verdict

The call

The clearest difference is update cadence: DisasterPreparednessDrillBook at every 6 days against 亀の瀬地すべりナビ's every 3 weeks. 亀の瀬地すべりナビ's advantage is iOS requirement (13.0 vs 17.0). 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

亀の瀬地すべりナビ ships an update every 3 weeks, DisasterPreparednessDrillBook every 6 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 4 level
亀の瀬地すべりナビ versus DisasterPreparednessDrillBook: the parameters behind the verdict, then further details
Parameter亀の瀬地すべりナビDisasterPreparednessDrillBook
PriceFreeFree
Update frequencyEvery 3 weeksEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size1.3 GB89 MB
Age rating4+17+
DeveloperYAMATOGAWA RIVER OFFICERCRDM, Iwate Univ.

In-app purchases

None

亀の瀬地すべりナビ

No in-app purchases

None

DisasterPreparednessDrillBook

No in-app purchases

Questions

Is 亀の瀬地すべりナビ free?
亀の瀬地すべりナビ is free to download, with no in-app purchases.
Is DisasterPreparednessDrillBook free?
DisasterPreparednessDrillBook is free to download, with no in-app purchases.
Do 亀の瀬地すべりナビ or DisasterPreparednessDrillBook have ads?
Neither 亀の瀬地すべりナビ nor DisasterPreparednessDrillBook shows ads.
Which is updated more often, 亀の瀬地すべりナビ or DisasterPreparednessDrillBook?
亀の瀬地すべりナビ ships an update every 3 weeks, and DisasterPreparednessDrillBook every 6 days. Most recently, 亀の瀬地すべりナビ was updated on November 3, 2026 and DisasterPreparednessDrillBook on November 5, 2026.

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