OPQRcoder vs HITONOTE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OPQRcoder
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Standard QR codes contain unused "padding" bytes after the encoded data. OPQR writes your image into those bytes — invisible to scanners, visible to eyes. Select an image or take a photo and generate code with any text.
HITONOTE
Easily record and manage personal information for contacts, customers, or students. Organize details like names, ages, birthdays, and occupations with customizable views and secure app locking.
- Record diverse personal details
- Organize by groups
- Customizable display items
- Secure app locking
- Manage customer/student info
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＼An app to take notes on people's information／ ◇Recommended for these people ・I want to manage customer information ・I want to manage student information ・I want to manage information about friends and family ◇Recommended points - A variety of information can be registered, such as name, age, phone number, person, birthday, occupation, etc. ・Easy to view and manage in groups ・You can select the items you want to display, so unnecessary information is hidden. ・Security is safe because you can lock the app.
Screenshots
Verdict
The clearest difference is in-app purchases: HITONOTE at none against OPQRcoder's 1. HITONOTE also leads on update cadence (daily vs every 16 months). OPQRcoder's advantage is device support (3 vs 1). On price, ads and iOS requirement 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. OPQRcoder sells 1 one-off in-app purchase. HITONOTE asks for nothing beyond the download.
OPQRcoder ships an update every 16 months, HITONOTE daily. The most recent releases landed on September 25, 2026 and September 19, 2026 respectively.
| Parameter | OPQRcoder | HITONOTE |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 16 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 37 MB | 19 MB |
| Age rating | 9+ | 4+ |
| Developer | Takaho Endo | tatsuyuki shibuya |
In-app purchases
OPQRcoder
- OPQRcoder Pro$1.99
HITONOTE
No in-app purchases
