SlimTimer vs Sungong
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SlimTimer
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SlimTimer is a fast, simple, and convenient countdown timer for work, study, breaks, workouts, cooking, and everyday reminders. Start a timer with a single tap from the app, a Home Screen widget, or a Lock Screen widget. While the timer is running, Live Activities let you check the remaining time directly from the Lock Screen and Dynamic Island without reopening the app (Requires iOS 16.2 or later). SlimTimer is designed around speed and convenience: choose a duration, tap once, and get back to what you are doing. Key features: - Quick countdown presets for commonly used durations. - Dedicated Home Screen widgets for instant timers. - Circular Lock Screen widgets with one-tap start. - Live Activities on the Lock Screen and Dynamic Island. - Automatically opens the app, sets the duration, and starts the timer when you tap a widget. - Audio alerts when time is up. - Optional automatic repeat. - Clear light and dark themes. - Lightweight design focused on speed and ease of use. SlimTimer — one tap to start, always easy to check.
Sungong
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Meet "Sungong" Pomodoro Timer, designed to help you focus entirely on your pure study time. "Sungong" is more than just a timer. It's a focus companion built to keep you in the flow without distractions. [Key Features] 1. Pomodoro Timer - Fully supports the Pomodoro technique with alternating Focus and Break sessions. - Create and manage unlimited custom presets to fit your routine. - Keep your momentum going with the auto-cycle feature that starts the next session automatically. 2. Relaxing White Noise & Soundscapes - Mix and play over 20 selected white noises—like rain, campfire, forest, and cafe sounds—alongside other music apps. - Gentle notification sounds, including a resonant singing bowl, calmly notify you when focus time ends. 3. Screen Burn-in Prevention - Keep your screen on while studying without worry. The timer text shifts randomly every minute to protect your OLED screen from burn-in. 4. Detailed Study Stats & 9 Analytics Reports - Visualize your weekly and monthly study progress with intuitive bar charts. - Track 9 key metrics—such as total focus time, goal achievement rate, and longest streak—to improve your learning habits. 5. Cloud Sync & Backup - Securely back up and restore your study records and presets across multiple devices using Google login. Experience the power of pure concentration with "Sungong" today!
Screenshots
Verdict
The clearest difference is in-app purchases: Sungong at none against SlimTimer's 2. SlimTimer's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence 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. SlimTimer sells 2 one-off in-app purchases. Sungong asks for nothing beyond the download.
SlimTimer ships an update every 9 days, Sungong every 11 days. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.
| Parameter | SlimTimer | Sungong |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days — better | Every 11 days |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 51 MB |
| Age rating | 4+ | 4+ |
| Developer | Luan Cu Xuan | joonseo park |
In-app purchases
SlimTimer
- Remove Ads$1.99
- Remove ads$1.99
Sungong
No in-app purchases









