PolyChain vs YouOfferHK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PolyChain
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With PolyChain, your keys are securely stored in local and encrypted backed up in cloud: • Generate blockchain wallet on your phone and keep your accounts secure. • Automatically backup your blockchain wallet to PolyU managed cloud, and no longer to be worried about losing your addresses and keys. • Browse and show your NFTs from different blockchain networks anytime at anywhere. • PolyChain records NFT distribution information to enhance authenticity. *** Caution: this app is implemented for research and promotion purpose, please be noted that your wallet may be permanently lost if you forget your password. The development team of this APP does NOT recommend users to conduct any non-PolyU-related financial activities in this APP. ***
YouOfferHK
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Schooling in Hong Kong? No worries. CORE FEATURES · ALWAYS FREE ・AI school matching: chat a few lines and AI matches schools to your child ・Smart filters: tuition, district, curriculum, religion, teaching language & more ・School map: 2,100+ HK kindergartens, primary & secondary schools at a glance ・Side-by-side compare: line up your shortlist and choose with confidence ・Application timeline: auto-collects each school's application, interview & result dates—add them to your calendar in one tap so you never miss a key date PROFESSIONAL SERVICES · ONE-TIME PURCHASE, YOURS FOREVER ・AI Deep Report (from HK$68): school philosophy, faculty, progression data, interview strategy & parent reviews—all in one ・Application Companion (HK$498/school): from building your child's profile to post-submission tracking, we walk the whole path with you Sign in to receive 1 free deep report + Application Companion credits. All school information is compiled from public sources and by the YouOffer team.
Screenshots
Verdict
The clearest difference is in-app purchases: PolyChain at none against YouOfferHK's 6. PolyChain also leads on iOS requirement (12.4 vs 15.1). YouOfferHK's advantage is device support. On price 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. YouOfferHK sells 6 one-off in-app purchases. PolyChain asks for nothing beyond the download.
| Parameter | PolyChain | YouOfferHK |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Fortnightly |
| Ads | — | No |
| In-app purchases | No — better | Yes |
| Devices | — | iPhone, iPad, iPod — better |
| Requires iOS | 12.4 — better | 15.1 |
| Further details — not scored | ||
| Size | 13 MB | 113 MB |
| Age rating | 4+ | 4+ |
| Developer | The Hong Kong Polytechnic University | LVenture Studio Limited |
In-app purchases
PolyChain
No in-app purchases
YouOfferHK
- 3份AI擇校報告$8.99
- 10份AI擇校報告$24.99
- 申請文書 單校包$59.99
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- 無限AI擇校報告$129.99
- 申請助手 3 校包$149.99
- 申請助手 7 校包$299.99





