UU vs PK10000
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UU
Easily create unique identifiers for your projects. This tool generates UUIDs on demand and can automatically copy them to your clipboard. It also features on-the-fly QR code generation and supports dark mode for a comfortable user experience.
- Generate UUID
- Auto-generate on launch
- Auto-copy to clipboard
- Generate QR code
- Dark Mode support
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This is the easiest UUID generator you'll ever use. Easily generate a UUID and add it to your clipboard so you can easily paste it anywhere else on your phone! The features include: - Generate UUID - Option to auto-generate UUID on launch - Option to auto-copy UUID on generate - Generates QR code on the fly! - Supports Dark Mode
PK10000
This app helps you achieve mastery through deliberate practice by tracking your progress towards long-term goals. It offers goal management, detailed statistics, and a Pomodoro timer to enhance focus and efficiency.
- Goal Management (100-10,000 hours)
- Tag Classification (12 categories)
- Data Statistics (daily, monthly, yearly)
- Pomodoro Timer (study/break sessions)
- Minimalist Interface
- Subscription Plans
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"The 10,000-Hour Rule" suggests that excellence in any field results from continuous and deliberate practice. As Malcolm Gladwell puts it, geniuses are made through relentless, intentional practice. Time, an eternal topic for humanity, becomes particularly poignant in the 21st century, where a human life spans roughly 30,000 days. The choices you make and the efforts you put in will determine the value of your entire life. In the words of Malcolm Gladwell, genius is the outcome of sustained deliberate practice. The principle is simple yet incredibly complex, as one may not be certain if they've chosen the right direction or if they can accumulate enough knowledge and experience to reach great heights. However, doing nothing guarantees emptiness. If your direction is uncertain, take action to enrich yourself and discover the goal within your heart. If your path is clear, keep moving forward, as challenging yourself from yesterday is the only way to become a better version of yourself. The product "PK10000" is grounded in this philosophy. We aim to document your transformative journey, helping you accomplish the lengthy voyage of 10,000 hours. To achieve the 10,000-hour goal, "PK10000" offers: 1. Goal Management: Choose 100, 500, or 10,000 hours as your target (supporting smaller goals). Starting small aligns with ancient wisdom; complete smaller goals first, then conquer the ultimate goal—one step at a time. 2. Tag Classification: We provide 12 tag categories to support your learning or work. Fine-tune the management of your goals within these categories for a more detailed control of your time investment. 3. Data Statistics: Track your goal progress percentage and data for 3 dimensions (daily, monthly, yearly) across 12 tags. Gain clear insights into your goal and time investment. Adjust your time strategy when you identify issues with input and output. 4. Pomodoro Timer: Utilize study sessions of up to 120 minutes and breaks of up to 60 minutes. Even the fastest horse needs to graze; we hope you represent focused and balanced learning—an advocate for efficiency. "PK10000" Design Philosophy: 1. Single-threaded Operation: Embrace Jobs' philosophy of single-threaded simplicity for enhanced efficiency. 2. Minimalist Interface: A minimalist design fosters user focus, and focus leads to greater heights. 3. Enjoyability: When tired, enjoy a cup of coffee! Represent the Pomodoro timer as a coffee moment. Brewing a cup of coffee takes time, and similarly, savoring it requires a moment of stillness. Contact Us help@xunshan.cn Privacy Policy: https://www.xunshanapp.cn/privacy_en.html User Agreement: https://www.xunshanapp.cn/useragreement_en.html
Screenshots
Verdict
The clearest difference is review sentiment: UU at 100% against PK10000's 55%. UU also leads on rating (5.0 vs 4.3) and in-app purchases (none vs 4). PK10000's advantage is price (Free vs $0.99) and update cadence (every 3 weeks vs every 21 months). On ads, device support and iOS requirement 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
PK10000 is free to download; UU costs $0.99 up front. PK10000 sells 4 in-app purchases, starting at $0.99 per month. UU asks for nothing beyond the download.
UU holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 100% of UU's written reviews are positive against 55% of PK10000's.
UU ships an update every 21 months, PK10000 every 3 weeks. The most recent releases landed on June 1, 2026 and August 18, 2026 respectively.
| Parameter | UU | PK10000 |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (2 ratings) — better | 4.3 (6 ratings) |
| Positive reviews | 100.0% of reviews — better | 54.5% of reviews |
| Number of ratings | 2 | 6 — better |
| Update frequency | Every 21 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.2 |
| Further details — not scored | ||
| Size | 7 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | JP McGlone LLC | 正峰 蒋 |
Customer experience
UU
PK10000
In-app purchases
UU
No in-app purchases
PK10000
- Monthly$0.991 Month
- Annually$3.991 Year
- Early Bird MemberShip$2.99
- Lifetime$9.99









