Passcode vs QR Serve
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Passcode
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「PASSCOE通行碼」提供防疫期間之健康聲明書、訪客登記簿、接觸登記史、地點登錄等功能,並連結相關防疫訊息,等同您的識別證!
QR Serve
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Keep all your QR codes in one place, ready to show in a second. QR Serve is a QR code wallet. Create QR codes for your links, contacts, locations, and portfolios, then pull them up whenever you need to share. No typing, no searching. Just swipe and show. WHAT YOU CAN SHARE • Website links: your project, blog, or social profile • Contact cards (vCard): share your details without paper • Map locations: pick a spot on the map, get a QR with a real address • Any text or data: notes, messages, or anything you need HOW IT WORKS 1. Add a link, scan an existing QR code, or drop a pin on the map 2. QR Serve creates a clean, ready to share QR code card 3. Swipe to the card you need and show it to anyone WHY QR SERVE • Always one swipe away. No digging through apps or screenshots • All your codes in one wallet: links, contacts, locations, text • Works offline. Your QR codes are always available • Lightweight: under 11 MB, no bloat, no ads • Privacy first. Your data stays on your device PERFECT FOR • Networking events: show your contact card instantly • Sharing your portfolio, website, or social profiles • Giving directions: share a map location as a QR code • Teams and freelancers: keep project links ready to share QR Serve is free, simple, and built for people who share.
Screenshots
Verdict
The clearest difference is iOS requirement: Passcode at 10.0 against QR Serve's 17.6. 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.
| Parameter | Passcode | QR Serve |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 38 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Institute for Information Industry | Maxim Oransky |
In-app purchases
Passcode
No in-app purchases
QR Serve
No in-app purchases









