VN vs H
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VN
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VN Physics 7 is an offline study companion for Vietnamese Grade 7 students. It offers clear physics lessons, topic-based quizzes, mock exams, and engaging mini-games. Students can track learning streaks, earn badges, and review quiz history to improve exam readiness anytime, anywhere.
H
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OptionCollapse is an offline decision reduction app that helps users finish a choice instead of keeping options open forever. Start with 3-6 options, eliminate one at a time through structured modes, reach the final pair, and commit to one winner. Each completed run is saved as a read-only Collapse Card with timeline, reasoning, and version history.
Screenshots
Verdict
The clearest difference is update cadence: H at every 2 days against VN's every 2 months. 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.
VN ships an update every 2 months, H every 2 days. The most recent releases landed on September 13, 2026 and September 12, 2026 respectively.
| Parameter | VN | H |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 22 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Dung Do Tri | Thu Nguyen Thi Anh |
In-app purchases
VN
No in-app purchases
H
No in-app purchases
