GatherQR vs CodeManager
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GatherQR
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QR codes can be read by the application and displayed later. This can be used in situations where QR codes are used, such as daycare attendance records and room entry/exit records. QR codes registered on your iPhone can also be displayed on your Apple Watch. On the Apple Watch, you can display QR codes even if your iPhone is not nearby, but you need to launch it near your iPhone to sync the data.
CodeManager
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バーコードやQRコードを管理するツールです。Apple Watchにも簡単に転送できます。
Screenshots
Verdict
The clearest difference is update cadence: CodeManager at every 2 days against GatherQR's every 2 months. GatherQR's advantage is iOS requirement (15.0 vs 17.0). 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.
GatherQR ships an update every 2 months, CodeManager every 2 days. The most recent releases landed on September 4, 2026 and August 28, 2026 respectively.
| Parameter | GatherQR | CodeManager |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, Apple Watch |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 58 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Kazuya Hatano | shinriyo |
In-app purchases
GatherQR
No in-app purchases
CodeManager
No in-app purchases
