Quick Scan vs ConvertAll Drag
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Quick Scan
Easily scan and generate QR codes for various data types like text, URLs, and contacts. Save scanned content and generated codes, with all history automatically logged for later use or deletion.
- Scan QR codes
- Generate QR codes
- Save scanned content
- Auto-save history
- Erase history data
- Generate for text, URL, contacts
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Quick Scan application is easy to scan and generate QR (Quick response) codes. Scan, save and use any information by QR Code. Features: *The scanned content of the code could be copied and used later. *The scanned results are auto saved in the history along with the date. *Any data in the history could be erased later. *Provisions to generate QR code for plain text, url, number and contacts saved in your iPhone. *Generated QR codes could be saved in the photo.
ConvertAll Drag
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Unit converter with 20 categories and 182 units. Search categories and units, save favorite pairs, and reopen recent conversions. Copy or share results. Includes calculator, BMI, tip, and date tools. Supports 28 languages and theme settings.
Screenshots
Verdict
The clearest difference is ads: ConvertAll Drag at none against Quick Scan's shown. ConvertAll Drag also leads on update cadence (every 2 months vs every 3 months). Quick Scan's advantage is iOS requirement (11.0 vs 13.0). On price, 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.
Quick Scan ships an update every 3 months, ConvertAll Drag every 2 months. The most recent releases landed on September 30, 2026 and October 12, 2026 respectively.
| Parameter | Quick Scan | ConvertAll Drag |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | 农 葛 | Shin YuJin |
In-app purchases
Quick Scan
No in-app purchases
ConvertAll Drag
No in-app purchases
