# Time Trap 2 vs Sudoku Harmonic

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.

Both are free to download. Time Trap 2 sells 6 one-off in-app purchases. Sudoku Harmonic asks for nothing beyond the download.

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.

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.

## The numbers

| Metric | Time Trap 2 | Sudoku Harmonic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.4K ratings)](https://appshunter.io/ios/app/time-trap-2-hidden-objects/id1230191240/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sudoku-harmonic/id6755743522/reviews)** |
| Number of ratings | **1.4K** | 2 |
| Positive reviews | 73.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 16 months | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 203 MB | 5 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Crisp App Studio](https://appshunter.io/developer/1143551614) | [Qi Machine LLC](https://appshunter.io/developer/1249045808) |

## What reviewers say

### Time Trap 2

[App page](https://appshunter.io/ios/app/time-trap-2-hidden-objects/id1230191240)

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:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Time Machine | $0.99 | one-time |
| Instant Hint | $0.99 | one-time |
| Preview Hints Pack | $0.99 | one-time |
| No Ads | $0.99 | one-time |
| GoldMaster Special | $1.99 | one-time |
| Master Pack: All-included | $2.99 | one-time |

**What reviewers like**

- 🎨 Fantastic graphics and visuals
- 🧠 Challenging and engaging puzzles
- 🎶 Haunting and immersive music
- 🕹️ Fun and addictive hidden object gameplay
- 🕰️ Interesting time-traveling theme

**What reviewers complain about**

- 🔍 Some objects can be difficult to find
- 🤔 Lack of clear instructions or guidance
- 💰 Excessive advertising or in-app purchases
- 🐛 Occasional bugs or glitches

**Reported bugs**

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

**Requested features**

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


### Sudoku Harmonic

[App page](https://appshunter.io/ios/app/sudoku-harmonic/id6755743522)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*