Unshared PDF Reader vs Sleep Time
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Unshared PDF Reader
This free document reader allows you to easily open and view authorized PDF and .updf files. It is specifically designed for documents created by the PDF Unshare program.
- View PDF files
- View .updf files
- Supports authorized documents
- Free to use
- Designed for PDF Unshare program
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Unshared PDF Reader is a free document reader program for opening and viewing unshared PDF and .updf format files created by the PDF Unshare program. With Unshared PDF Reader, You can open and view authorized unshared PDF (.pdf, .updf formats) documents easily.
Sleep Time
This utility helps you wake up feeling rested by calculating ideal sleep and wake-up times. It considers the time it takes to fall asleep and provides timely notifications. Enjoy a more efficient sleep schedule with its user-friendly interface.
- Optimal sleep/wake time calculation
- Bedtime and wake-up notifications
- Includes time to fall asleep
- User-friendly design
- Feedback tab for reports
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Wake up refreshed with Sleep Time, a simple sleep cycle calculator! Features: - Pretty good design - Calculate optimal wake-up or sleep times - Notifications for bedtime and wake-up - Includes time to fall asleep - Optimized for iPhone and iPad, including resizable windows For feedback or bug reports, use the Feedback tab in the app.
Screenshots
Verdict
The clearest difference is review sentiment: Sleep Time at 100% against Unshared PDF Reader's 0%. Unshared PDF Reader's advantage is update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and monetization model 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.
Unshared PDF Reader ships an update every 3 days, Sleep Time every 3 weeks. The most recent releases landed on October 17, 2026 and October 20, 2026 respectively.
| Parameter | Unshared PDF Reader | Sleep Time |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (7 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 7 — better |
| Update frequency | Every 3 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 73 MB |
| Age rating | 4+ | 4+ |
| Developer | 迪 吴 | Oleg Filimonov |
Customer experience
Unshared PDF Reader
Sleep Time
In-app purchases
Unshared PDF Reader
No in-app purchases
Sleep Time
No in-app purchases
Questions
Is Unshared PDF Reader free?
Is Sleep Time free?
Do Unshared PDF Reader or Sleep Time have ads?
Which is updated more often, Unshared PDF Reader or Sleep Time?
Other comparisons
