PaperAir vs Keyper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PaperAir
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PaperAir is an APP that works with Avision Wi-Fi/LAN scanner. Users can manipulate the Avision scanner via PaperAir to scan and save images to their mobile devices. -Friendly user interface -Auto crop and deskew function -Support multiple format : JPEG / PDF / TIFF -Support Color / Gray mode -Support Simplex/Duplex scan -Tag function allows files to be searched in PaperAir -Easy to share to other APP
Keyper
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Keep your online accounts safe and secure with Keyper, the ultimate app for two-factor authentication. With Keyper, you can add an extra layer of protection to Keyper services, ensuring that only you can access your accounts.
Screenshots
Verdict
The clearest difference is update cadence: Keyper at monthly against PaperAir's every 4 months. 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.
PaperAir ships an update every 4 months, Keyper monthly. The most recent releases landed on September 18, 2026 and September 15, 2026 respectively.
| Parameter | PaperAir | Keyper |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 5 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Avision Inc. | KEYXENTIC INC. |
In-app purchases
PaperAir
No in-app purchases
Keyper
No in-app purchases
