# Time Gap vs Sudoku Glass

The clearest difference is ads: Sudoku Glass at none against Time Gap's shown. Time Gap's advantage is update cadence (every 2 months vs every 11 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Time Gap sells 10 one-off in-app purchases and Sudoku Glass sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Time Gap ships an update every 2 months, Sudoku Glass every 11 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Time Gap | Sudoku Glass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (1.2K ratings)](https://appshunter.io/ios/app/time-gap-hidden-objects/id661173158/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | 77.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 283 MB | 30 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Absolutist Ltd](https://appshunter.io/developer/354691168) | [Melih Gkmen](https://appshunter.io/developer/1721729336) |

## What reviewers say

### Time Gap

[App page](https://appshunter.io/ios/app/time-gap-hidden-objects/id661173158)

Embark on a global adventure searching for hidden objects and solving puzzles. This offline game combines education and entertainment with a captivating story across five continents. Play optional mini-games, compete with friends, and earn rewards.

**Highlights:** Global hidden object quests, Solve puzzles and mysteries, Play optional mini-games (Match-3, Bubble Shooter), Compete with friends and family, Earn coins and energy without real money, Weekly tournaments and seasonal events

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gold 10000 | $2.99 | one-time |
| 30  Crystals | $2.99 | one-time |
| 10000 Gold | $3.99 | one-time |
| 30 Crystals | $3.99 | one-time |
| Energy Boosters | $3.99 | one-time |
| Crystals 75 and  4 Bonuses | $7.99 | one-time |
| 75 Crystals and 10 bonus | $9.99 | one-time |
| 112 Crystals and 18 bonus | $14.99 | one-time |
| 150 Crystals and 30 Bonus | $19.99 | one-time |
| Platinum Card New | $29.99 | one-time |

**What reviewers like**

- 🌟 Engaging and fun gameplay
- 🗺️ Interesting historical exploration
- 👍 Variety of mini-games and challenges
- ⭐ Enjoyable overall experience

**What reviewers complain about**

- 🔍 Difficulty finding hidden objects
- 🔋 High energy consumption
- 💰 Excessive advertisements and in-app purchases
- 🐛 Frequent crashes and glitches

**Reported bugs**

- Invisible objects in certain locations
- Voting screen not closing properly
- Freezing and crashing on older devices
- Inconsistent progress and rewards

**Requested features**

- Reduce energy requirements for gameplay
- Improve object detection and responsiveness
- Provide more free content and reduce monetization
- Fix technical issues and improve stability


### Sudoku Glass

[App page](https://appshunter.io/ios/app/sudoku-glass/id6754257127)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $39.99 | per year |


## Frequently asked questions

### Is Time Gap free?

Time Gap is free to download, with in-app purchases available.

### Is Sudoku Glass free?

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

### Do Time Gap or Sudoku Glass have ads?

Time Gap shows ads; Sudoku Glass does not.

### Which is updated more often, Time Gap or Sudoku Glass?

Time Gap ships an update every 2 months, and Sudoku Glass every 11 months. Most recently, Time Gap was updated on October 24, 2026 and Sudoku Glass 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.*