Comparison

SlimTimer vs Sungong

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SlimTimer

Features
Read full description

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.

About

Sungong

Features
Read full description

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

SlimTimer4 screens
Sungong4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SlimTimer sells 2 one-off in-app purchases. Sungong asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 2 level
SlimTimer versus Sungong: the parameters behind the verdict, then further details
ParameterSlimTimerSungong
PriceFreeFree
Update frequencyEvery 9 days — betterEvery 11 days
AdsNo — betterYes
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size8 MB51 MB
Age rating4+4+
DeveloperLuan Cu Xuanjoonseo park

In-app purchases

2 purchases

SlimTimer

One-time2
  • Remove Ads$1.99
  • Remove ads$1.99
None

Sungong

No in-app purchases

Questions

Is SlimTimer free?
SlimTimer is free to download, with in-app purchases available.
Is Sungong free?
Sungong is free to download, with no in-app purchases.
Do SlimTimer or Sungong have ads?
Sungong shows ads; SlimTimer does not.
Which is updated more often, SlimTimer or Sungong?
SlimTimer ships an update every 9 days, and Sungong every 11 days. Most recently, SlimTimer was updated on October 17, 2026 and Sungong on October 25, 2026.

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