VSimulator vs JOS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VSimulator
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ロービジョンの見え方のシミュレーションや逆転視等の体験が出来るアプリ
JOS
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JOS app allows you to overview the congress program and create your own personal itinerary. Download the mobile app in order to: + View the detailed congress program, complete with session descriptions and schedules. + Browse or search the full schedule of programs by day, type or title. + See the list of speakers and find the sessions they will present. + Plan your own personal program and organize your schedule during congress. + Receive the very latest congress updates.
Screenshots
Verdict
The clearest difference is update cadence: VSimulator at every 6 weeks against JOS's every 7 months. VSimulator also leads on iOS requirement (11.0 vs 16.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
VSimulator ships an update every 6 weeks, JOS every 7 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | VSimulator | JOS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 108 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Yasushi Nakano | Japanese Ophthalmological Society |
In-app purchases
VSimulator
No in-app purchases
JOS
No in-app purchases
