Dirr vs Paper
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dirr
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Read position and orientation sensors: - GPS, - Compass (magnetic north), - Roll, pitch, yaw/heading - Have confidence in your data - Accuracy of GPS in meters - Visualise your compass/yaw/heading. A map is shown - Save data fully offline. Private and secure. - Manually share data with others or your other devices using the share button. - Dark/light mode
Paper
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PaperView is specifically designed for image rendering on Bluetooth - tagged devices equipped with e - ink screen technology. PaperView can support image rendering on e - paper screens with different colors and resolutions. Based on various application scenarios, it has multiple built - in scene templates and supports image rendering for a single tag or batch - processing image rendering for multiple tags.
Screenshots
Verdict
The clearest difference is update cadence: Dirr at every 3 days against Paper's monthly. Dirr also leads on iOS requirement (12.0 vs 15). 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.
Dirr ships an update every 3 days, Paper monthly. The most recent releases landed on September 29, 2026 and October 7, 2026 respectively.
| Parameter | Dirr | Paper |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15 |
| Further details — not scored | ||
| Size | 54 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Orth Ltd | PTseeing IoT Technology Co.,Ltd |
In-app purchases
Dirr
No in-app purchases
Paper
No in-app purchases
