# Hidden Objects Coastal Hill vs Sudoku Master Challenges

The clearest difference is ads: Hidden Objects Coastal Hill at none against Sudoku Master Challenges's shown. Sudoku Master Challenges's advantage is update cadence (every 3 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Hidden Objects Coastal Hill sells 13 one-off in-app purchases and Sudoku Master Challenges sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Hidden Objects Coastal Hill ships an update every 2 weeks, Sudoku Master Challenges every 3 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Hidden Objects Coastal Hill | Sudoku Master Challenges |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.3K ratings)](https://appshunter.io/ios/app/hidden-objects-coastal-hill/id1396053153/reviews)** | — |
| Number of ratings | **5.3K** | — |
| Positive reviews | 87.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 415 MB | 157 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [AdoreStudio Ltd.](https://appshunter.io/developer/430272251) | [Duralı UYUMAZ](https://appshunter.io/developer/6774352963) |

## What reviewers say

### Hidden Objects Coastal Hill

[App page](https://appshunter.io/ios/app/hidden-objects-coastal-hill/id1396053153)

Embark on a puzzle adventure in a mysterious city shrouded in darkness. Search for hidden objects, solve puzzles, and battle creatures to uncover secrets and restore a haunted mansion. Features include avatar customization, collectible items, and social guild features.

**Highlights:** 5000+ quest puzzles, Card fights with monsters, Avatar customization, Design and restore mansion, 60+ locations to search, 18 game modes, Collect 1600+ items

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Puzzles solving pack | $0.99 | one-time |
| One-Time Offer | $0.99 | one-time |
| 10 Crystals | $1.99 | one-time |
| Medium Train Offer | $2.99 | one-time |
| Adventure welcoming pack | $3.99 | one-time |
| 30 Crystals | $4.99 | one-time |
| VIP Daily Tasks Reward | $4.99 | one-time |
| Road Pass | $4.99 | one-time |
| Big Train Offer | $4.99 | one-time |
| Ascent Pass | $6.99 | one-time |
| 65 Crystals | $9.99 | one-time |
| VIP Pass - boost your progress | $9.99 | one-time |
| 145 Crystals | $19.99 | one-time |

**What reviewers like**

- 🚀 Interesting hidden object game
- 👍 Fun and exciting
- 👍 Variety of gameplay
- 👍 Challenging without being frustrating
- 👍 Keeps the mind sharp

**What reviewers complain about**

- 🐛 Glitches and technical issues
- 💰 Expensive to play well
- 💰 Increasing costs with updates
- ⏱️ Timed tasks can be too difficult
- 🤔 Confusing mechanics and progression

**Reported bugs**

- Frequent crashes and login issues
- Lost progress and rewards
- Inconsistent performance after updates
- Disappearing items and currencies

**Requested features**

- Dark mode option
- Better communication from developers
- Improved technical support
- More lenient timed tasks
- Ability to gift items to new players


### Sudoku Master Challenges

[App page](https://appshunter.io/ios/app/sudoku-master-challenges/id6774352961)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Energy | $0.99 | one-time |
| 300 WCoin | $0.99 | one-time |
| 50 Energy + 150 WCoin | $0.99 | one-time |
| No Ads + 100 Energy + 300 WCoin | $1.99 | one-time |
| 1000 Energy + 3000 WCoin | $6.99 | one-time |


## Frequently asked questions

### Is Hidden Objects Coastal Hill free?

Hidden Objects Coastal Hill is free to download, with in-app purchases available.

### Is Sudoku Master Challenges free?

Sudoku Master Challenges is free to download, with in-app purchases available.

### Do Hidden Objects Coastal Hill or Sudoku Master Challenges have ads?

Sudoku Master Challenges shows ads; Hidden Objects Coastal Hill does not.

### Which is updated more often, Hidden Objects Coastal Hill or Sudoku Master Challenges?

Hidden Objects Coastal Hill ships an update every 2 weeks, and Sudoku Master Challenges every 3 days. Most recently, Hidden Objects Coastal Hill was updated on October 26, 2026 and Sudoku Master Challenges on October 24, 2026.

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