DIVE DIWA vs 海之家課程 Sea Dynamics Course
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DIVE DIWA
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DIWA (Diving Instructor World Association) is an international organization that provides training and certification for scuba diving instructors and recreational divers. DIWA offers a range of courses, from beginner to advanced levels, and focuses on providing high-quality training that prioritizes safety, environmental conservation, and fun.
海之家課程 Sea Dynamics Course
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We provides Chinese or English of Pleasure Vessel Operator Certificate Grade 2 courses. All courses content fit with our professional text book and always keep update content of courses. We use computer animations and efficient teaching methods to help students learning during lessons. Our company updates the mock questions regularly for our students' reference and using computer animations to explain EACH question. You may purchase subscription through an In-App Purchase. * This APP provides below subscriptions * Operator Grade 2 Part A, English, 2 months, HKD3000. * Operator Grade 2 Part B, English, 2 months, HKD3000. * Hong Kong Pleasure Vessel Operator Certificate Local Knowledge, English, 3 Months, HKD3000. * Operator Grade 2 Part A, Cantonese, 2 months, HKD3000. * Operator Grade 2 Part B, Cantonese, 2 months, HKD3000. • Your subscription will be charged to your iTunes account at confirmation of purchase. • Subscription may not be cancelled. • Privacy policy and terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
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Verdict
The clearest difference is in-app purchases: DIVE DIWA at none against 海之家課程 Sea Dynamics Course's 7. On price, update cadence, ads 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. 海之家課程 Sea Dynamics Course sells 7 one-off in-app purchases. DIVE DIWA asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 8 months. Both last shipped on November 3, 2026.
| Parameter | DIVE DIWA | 海之家課程 Sea Dynamics Course |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 8 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 70 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | DIWA Holding Limited | Sea Dynamics |
In-app purchases
DIVE DIWA
No in-app purchases
海之家課程 Sea Dynamics Course
- Local Knowledge, EN, 3 Months$399.99
- Grade 2A,English, 2 months$399.99
- Grade 2B,English, 2 months$399.99
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- 二級操作人甲部,粵語繁體, 二個月$399.99
- 二級操作人乙部,粵語繁體, 二個月$399.99
- Grade 2 Part A&B, EN, 3 months$799.99
- 二級操作人(甲部+乙部), 粵語繁體, 3個月$799.99
Questions
Is DIVE DIWA free?
Is 海之家課程 Sea Dynamics Course free?
Do DIVE DIWA or 海之家課程 Sea Dynamics Course have ads?
Which is updated more often, DIVE DIWA or 海之家課程 Sea Dynamics Course?
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