アイアシスタント vs AirPhotoView
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
アイアシスタント
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AirPhotoView
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While some practice is required for naked-eye stereoscopic viewing, you can achieve stereoscopic vision by displaying overlapped two aerial photographs (or stereo-paired images) side by side. Aerial photographs and stereo-paired images are not included in this app. ・Naked-eye stereoscopic viewing refers to performing stereoscopic vision using only the naked eye, without tools such as stereoscopes, polarized glasses, or stereoscopic film. ・Aerial photo images shown on either side of the iPad display can be moved, enlarged, or reduced in size simultaneously using gestures (drag, pinch out, pinch in). ・The distance between two aerial photo images can be changed, freely. ・Aerial photographs can be downloaded from the Aerial Photograph Browsing Service of Geospatial Information Authority of Japan (GSI) and so on. ・If you can’t do stereoscopic viewing with only your naked eye, you can achieve stereovison with use KOKON Stereo Mirror Viewer (https://www.kokon.co.jp/book/b166146.html).
Screenshots
Verdict
The clearest difference is iOS requirement: アイアシスタント at 11.1 against AirPhotoView's 18.5. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.
| Parameter | アイアシスタント | AirPhotoView |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.1 — better | 18.5 |
| Further details — not scored | ||
| Size | 12 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | ICS Co.,Ltd | RESEARCH CENTER FOR REGIONAL DISASTER MANAGEMENT, IWATE UNIVERSITY |
In-app purchases
アイアシスタント
No in-app purchases
AirPhotoView
No in-app purchases
Questions
Is アイアシスタント free?
Is AirPhotoView free?
Do アイアシスタント or AirPhotoView have ads?
Which is updated more often, アイアシスタント or AirPhotoView?
Other comparisons
