Comparison

Time Trap 2 vs Sudoku Harmonic

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

Head to head
About

Time Trap 2

Embark on a hidden object adventure in a post-apocalyptic world where time and space are distorted. Solve puzzles and find items to escape a strange new dimension and prove that gathering powerful artifacts is possible.

Highlights
  • Hidden object searching
  • Spot the differences
  • Puzzles and mini-games
  • 360-degree panoramic scenes
  • 3D effects and animations
  • Storyline continuation
  • Collection building
Features
Read full description

"Time Trap" got a long-awaited sequel! Explore this post-apocalypse world in all-around locations! The experiments of the Ring of Time corporation didn't end after the incident in the Abandoned City. Following a mysterious electromagnetic surge, the anomalous zone was transformed into Timeless. It is a unique world where space and time are distorted, but also new opportunities open up to heroes! Everyone who entered this zone became a shadow of his old self. The only way to escape from Timeless is to put together the Sphere of Singularity! So far no-one managed to gather all the Fragments of the Sphere. Now it's your mission to prove it is possible! The game is TRULY FREE, the whole adventure is open to you without any additional purchases - it's entirely up to you to buy optional tools. Game features: - A variety of tasks: searching for items, spotting the differences, puzzles, restoration of disassembled objects - Look for items in 360-degree panoramic scenes. Unusual 3D effects and colorful animations. - Enjoy the exciting gameplay as the "Time Trap" storyline continues! - Build your collection. Go through scenes again to try new quests and get new rewards! We'll be happy to stay in touch with you at www.facebook.com/CrispApp - make comments, ask questions, get news about coming games!

About

Sudoku Harmonic

Experience Sudoku like never before with a unique sonic twist. Each number corresponds to a Solfeggio frequency, creating a calming and immersive audio experience that enhances focus and relaxation. It's a mentally engaging puzzle game designed to leave you feeling centered and uplifted.

Highlights
  • Solfeggio frequencies mapped to numbers
  • Harmonious layered audio feedback
  • Minimalist interface
  • Multiple difficulty levels
  • Customizable sound and visuals
  • Light and dark modes
Features
Read full description

This is Sudoku, reimagined as a gift for your senses. Sudoku Harmonic transforms the classic puzzle you love into an immersive sonic experience. Each number (1 - 9) plays its own Solfeggio frequency (174 Hz – 963 Hz), turning every move into a moment of sound that draws you deeper into focus and flow. This is the puzzle game you'll actually want to keep playing - not out of habit, but because it feels genuinely uplifting. Why players are hooked: - The audio creates a calming, satisfying rhythm as you solve - You naturally enter a state of relaxed concentration - Time passes differently—you're present, not anxious - It's mentally engaging without being draining - You finish sessions feeling centered, not depleted What makes it different: Each number triggers a specific Solfeggio tone, creating a harmonic soundscape as you play. The experience supports relaxation, mental clarity, and mindful focus - making this a puzzle game that actually enhances your state of mind rather than just filling time. Features: - Solfeggio frequencies (174 Hz - 963 Hz) mapped to each number - Beautiful, minimalist interface - Multiple difficulty levels for all skill levels - Harmonious, layered audio feedback - Customizable sound and visual settings - Light and dark modes - Clean, distraction-free design Perfect for: - Sudoku enthusiasts ready for an evolution of the classic game - Meditation and mindfulness practitioners - Anyone curious about frequency and sound experiences - People who want mental exercise that feels restorative - Those seeking a genuinely calming daily ritual Put on your headphones. Take a breath. And discover why this might become the most uplifting part of your day. Welcome to Sudoku Harmonic - where the game you love meets the frequencies that elevate it.

Screenshots

Time Trap 24 screens
Sudoku Harmonic4 screens

Verdict

The call

The clearest difference is in-app purchases: Sudoku Harmonic at none against Time Trap 2's 6. Sudoku Harmonic also leads on ads (none vs shown) and rating (5.0 vs 4.5). Time Trap 2's advantage is ratings volume (1.4K vs 2) and iOS requirement (13.0 vs 18.6). On price and device support 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. Time Trap 2 sells 6 one-off in-app purchases. Sudoku Harmonic asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sudoku Harmonic holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Time Trap 2 has 1.4K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 74% of Time Trap 2's written reviews are positive against 100% of Sudoku Harmonic's.

UpkeepUpdate frequency

Time Trap 2 ships an update every 16 months, Sudoku Harmonic every 2 days. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard8 real differences · 2 level
Time Trap 2 versus Sudoku Harmonic: the parameters behind the verdict, then further details
ParameterTime Trap 2Sudoku Harmonic
PriceFreeFree
Rating4.5 (1.4K ratings)5.0 (2 ratings) — better
Positive reviews73.7% of reviews100.0% of reviews — better
Number of ratings1.4K — better2
Update frequencyEvery 16 monthsEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better18.6
Further details — not scored
Size203 MB5 MB
Age rating12+4+
DeveloperCrisp App StudioQi Machine LLC

Customer experience

Time Trap 2

All ratings1,431 ratings
Positive88.6%
Neutral8.1%
Negative3.3%
Written reviews38 reviews
Positive73.7%
Neutral5.3%
Negative21.1%

Sudoku Harmonic

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Time Trap 2

Reported bugs

3 issues
  • Crashing or freezing issues
  • Inability to use certain in-game items
  • Calibration problems with interactive objects

Requested features

4 requests
  • More levels and content
  • Improved object visibility
  • Better tutorial or explanations
  • Option to disable competitive features

Sudoku Harmonic

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

Time Trap 2

One-time6
  • Time Machine$0.99
  • Instant Hint$0.99
  • Preview Hints Pack$0.99
Show 3 more
  • No Ads$0.99
  • GoldMaster Special$1.99
  • Master Pack: All-included$2.99
None

Sudoku Harmonic

No in-app purchases

Questions

Is Time Trap 2 free?
Time Trap 2 is free to download, with in-app purchases available.
Is Sudoku Harmonic free?
Sudoku Harmonic is free to download, with no in-app purchases.
Which has better reviews, Time Trap 2 or Sudoku Harmonic?
Sudoku Harmonic is rated higher. Time Trap 2 averages 4.5 out of 5 from 1.4K ratings, while Sudoku Harmonic averages 5.0 from 2 ratings.
Do Time Trap 2 or Sudoku Harmonic have ads?
Time Trap 2 shows ads; Sudoku Harmonic does not.
Which is updated more often, Time Trap 2 or Sudoku Harmonic?
Time Trap 2 ships an update every 16 months, and Sudoku Harmonic every 2 days. Most recently, Time Trap 2 was updated on November 6, 2026 and Sudoku Harmonic on November 5, 2026.

Other comparisons