Floating Clock vs CHALLNA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Floating Clock
Display a customizable digital clock, stopwatch, and countdown timer that floats over other applications or your mobile desktop. Personalize backgrounds and fonts for a unique timekeeping experience.
- Floating clock overlay
- Stopwatch functionality
- Countdown timer
- Customizable backgrounds and fonts
- Multiple window support
- Adjustable window size
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A digital clock tool supporting stopwatch and countdown, which can be suspended on any app and mobile desktop! The background format and font of floating window can be customized. - Floating Clock. One click switch background time! - Support MS digital display! - Multiple windows are available. Double finger zoom size! - Custom configuration. Wait for you to unlock more functions! The features provided by the app are completely FREE!
CHALLNA
This app helps you achieve precise timing for critical online events by displaying accurate server time, accounting for network latency. It offers one-touch presets for popular sites, countdown timers, and practice modes to improve your reaction speed for ticket sales, course registrations, and limited drops.
- Millisecond precision synchronization
- One-touch server presets
- Intuitive countdown timers
- Click practice mode
- Smart reminders and schedule registration
- Direct site access
- Dynamic Island support
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■ 0.01 Seconds Make All the Difference. Have you ever missed out on popular concert tickets, course registrations, or limited-edition drops by a split second? Don’t rely on your phone’s local time. Check the "Real Server Time" of the site itself. 'CHALLNA' will drastically increase your success rate. ■ Why CHALLNA? (Key Features) 1. Millisecond(ms) Precision Synchronization We do more than just fetch server time. CHALLNA calculates network latency (RTT) and average transmission deviations in real-time to correct any errors. Find the "true" 0.01 second with Korea’s highest level of precision. 2. One-Touch Server Presets Interpark, YES24, Melon Ticket, and even major university registration sites! No need to type addresses manually. Simply search to instantly register and track your desired server. 3. Intuitive Countdown & Target Setting Set your goal time and watch the countdown in real-time down to the millisecond. Stay perfectly prepared for that high-pressure moment right before the opening. 4. Click Practice for Real-World Reflexes Theory is different from practice! Use the built-in 'On-the-Dot Click Practice' to check your reaction speed and master the feeling of clicking at exactly 0.00 seconds. 5. Smart Reminders & Schedule Registration (HOT!) Register your important ticketing or course registration schedules. We’ll make sure you’re ready with custom notifications before your target time, even in your busy daily life. 6. Direct Site Access Why check the time and switch apps separately? CHALLNA provides direct outlinks to the sites, shortening your access time to the absolute minimum. 7. Dynamic Island Support Keep tracking the time via Dynamic Island even while moving to the ticketing site, ensuring you never miss the countdown. (Available on iPhone 14 Pro and later models) ■ Highly Recommended For: • Concert fans tired of losing out in "Blood-keting" (bloody ticketing). • Students desperate to secure popular university courses. • Anyone needing perfect timing for holiday train bookings or limited drops. • Perfectionists who won't settle for even a 0.01-second error. ■ Please Note: • Minor errors may occur depending on network conditions. We recommend using a stable Wi-Fi, 5G, or LTE environment. • For the best results, be sure to use the 'Click Practice' feature in advance! Download 'CHALLNA' now and experience the miracle of 0.01 seconds!
Screenshots
Verdict
The clearest difference is price: CHALLNA at Free against Floating Clock's $5.99. CHALLNA also leads on review sentiment (100% vs 64%) and ads (none vs shown). On in-app purchases, 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
CHALLNA is free to download; Floating Clock costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Floating Clock ships an update every 6 months, CHALLNA every 2 weeks. The most recent releases landed on September 22, 2026 and August 24, 2026 respectively.
| Parameter | Floating Clock | CHALLNA |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 5.0 (6 ratings) — better | — |
| Positive reviews | 64.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 6 — better | — |
| Update frequency | Every 6 months | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 20 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | 少都 陈 | RYNYUL |
Customer experience
Floating Clock
CHALLNA
In-app purchases
Floating Clock
No in-app purchases
CHALLNA
No in-app purchases





