App info
- Installs
- 100,000+
- Category
- Casual
- Content rating
- Teen
- Version
- 1.0.3
- Released
- Aug 20, 2026
- Last updated
- 26 Aug 2026
- In-app purchases
- Yes
- Contains ads
- Yes
- In-app price range
- $1.99 - $49.99 per item
- Promo video
- No
- Requires Android
- 7.1
Screenshots
Rankings
Where this app stands in South Korea, updated 13 Oct 2026
Top free · Casual
#26 ▲1
Top grossing
Not in this chart today
Top paid
Not in this chart today
- Top free · Casual
Show as table
| Date | Free |
|---|---|
| 13 Oct 2026 | #26 |
| 12 Oct 2026 | #27 |
| 11 Oct 2026 | #33 |
| 10 Oct 2026 | #39 |
| 9 Oct 2026 | #32 |
| 8 Oct 2026 | #32 |
Top 10 countries
Best rank in each country today. Click a country to see its graph.
About this app
Find the differences!
Read full description
NightDiff: Exciting Visual Spot‑the‑Difference Adventure Bored of repetitive spot‑the‑difference games? Try NightDiff! This HD visual puzzle combines relaxing downtime with brain‑stimulating challenges. Find cleverly hidden tiny differences in beautiful images and dynamic video clips to boost your observation and reaction skills, for fun puzzle entertainment anytime, anywhere. ## Two Game Modes for Your Mood 1. **Still Image Mode (Relaxed Play)** Enjoy a huge library of HD time‑free static levels. Spot subtle differences in texture, lighting, color and fine details at your own pace. Great for unwinding or sharpening your observation stress‑free. 2. **Live Video Mode (Reaction Challenge)** Step up to fast‑paced video puzzles if static levels feel too simple. Catch fleeting inconsistencies in moving videos to test your sight and reflexes. You get 3 free tries daily. Once used up, watch short ads to get more attempts. ## Reward Unlocking Options Beat levels to unlock exclusive bonus videos for extra fun. Two unlocking choices: ‑ Free: Watch short ads to unlock bonus videos at no cost. ‑ VIP Premium: Subscribe to VIP to unlock all bonus videos instantly and play ad‑free. ## Built‑in Content Gallery The in‑game gallery auto‑saves all unlocked images and bonus videos. View, sort and manage your collection anytime, and export favorite items to your device to keep forever. ## Key Features ‑ Premium HD art: Polished crisp, detailed visuals for great viewing. ‑ Balanced difficulty: Easy for new players, satisfying challenge for puzzle veterans. ‑ Immersive audio: Gentle background music and clear in‑game sound effects. ‑ Regular updates: Fresh new levels and content added frequently. ## For All Casual Players Perfect for puzzle fans, stress relief and visual‑lovers. Simple mechanics make it ideal for relaxing and training your eyesight. ## Service Promise NightDiff adheres to positive, compliant service standards. All content focuses on aesthetics and observation training, meeting platform requirements. User privacy is strictly protected. We keep optimizing to deliver smooth, enjoyable gameplay for everyone.