Time Master vs PDFHub
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Time Master
Easily track important dates and events with a countdown or count-up feature. Customize your experience with lunar calendar support, multiple themes, and rich background wallpapers. Stay organized and never miss a significant day.
- Countdown/count-up for important days
- Lunar calendar support
- Multi-theme switching
- Customizable background wallpapers
- Fluent animation effects
- Day calculation (days until/days passed)
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"Time master" is a small tool to help you record important days in your life and work. You can count down or positive the number of days from now. Support the lunar calendar, multi theme switching, and rich background wallpaper for you to choose from. [main functions] Day calculation: how many days are there or how many days have passed before the target day, or you can set the target day repeatedly in the format of year, month, etc. Animation effect: the page adopts fluent animation effect to increase vivid atmosphere. Wallpaper selection: you can customize your wallpaper for every important day, and you can choose from a variety of wallpaper gallery. Lunar date: support lunar date selection. In the future, we will continue to update maintenance and add new features. Please look forward to it~ We are eager to hear your feedback. If you have any questions or suggestions, please let us know in the "settings feedback" in the app. We will read every message carefully
PDFHub
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PDFHub supports users to quickly create PDFs by taking photos. You only need to take photos of paper materials, edit them, and then you can complete the creation of a PDF. Our product also supports users to take notes, and the built-in memo can help users write down some sudden ideas and inspirations. Features and functions of PDFHub: 1. PDF preview supports reading mode 2. PDF editing 3. Quickly create PDF 4. Simple and convenient operation 5. Beautiful interface design 6. Zero log policy 7. PDF privacy is safe and will not be leaked
Screenshots
Verdict
The clearest difference is device support: Time Master at 3 against PDFHub's 1. Time Master also leads on iOS requirement (9.0 vs 16.0). On price, update cadence, ads and in-app purchases 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.
Time Master ships an update weekly, PDFHub every 9 days. Both last shipped on October 14, 2026.
| Parameter | Time Master | PDFHub |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Weekly — better | Every 9 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 76 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Taizhou Mutong Network Technology Co., Ltd. | FIVE OCEANS TECH PTE. LTD. |
In-app purchases
Time Master
No in-app purchases
PDFHub
No in-app purchases









