# Captain Nemo vs Sudoku Glass

The clearest difference is ads: Sudoku Glass at none against Captain Nemo's shown. Captain Nemo's advantage is iOS requirement (13.4 vs 15.1). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Captain Nemo sells 6 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.

Captain Nemo ships an update every 22 months, Sudoku Glass every 11 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Captain Nemo | Sudoku Glass |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.7K ratings)](https://appshunter.io/ios/app/captain-nemo-hidden-objects/id1181128688/reviews)** | — |
| Number of ratings | **3.7K** | — |
| Positive reviews | 86.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 22 months | **Every 11 months** |
| Monetization | Free with in-app purchases | — |
| Size | 169 MB | 30 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Crisp App Studio](https://appshunter.io/developer/1143551614) | [Melih Gkmen](https://appshunter.io/developer/1721729336) |

## What reviewers say

### Captain Nemo

[App page](https://appshunter.io/ios/app/captain-nemo-hidden-objects/id1181128688)

Embark on a hidden object adventure inspired by "20,000 Leagues under the Sea." Explore vibrant underwater scenes and character interiors as you uncover the mystery of Captain Nemo and his Nautilus. Replay scenes to discover new quests and rewards.

**Highlights:** Hidden object gameplay, Based on "20,000 Leagues under the Sea", Explore underwater views and islands, Complex and diverse locations, 360-degree panoramas and 3D views, Collect rewards and replay quests

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instant Hint | $0.99 | one-time |
| Time Machine | $0.99 | one-time |
| Preview Hints Pack | $0.99 | one-time |
| No Ads | $1.99 | one-time |
| Master Pack Special | $2.99 | one-time |
| Hidden Objects : All-included | $3.99 | one-time |

**What reviewers like**

- 🚀 Fun and challenging
- 👍 Relaxing gameplay
- 🎨 Great graphics
- 💡 Interesting story
- 👍 No time limits

**What reviewers complain about**

- 🔍 Some objects hard to see
- 💰 Too many ads
- 🔍 Terminology can be obscure

**Reported bugs**

- Game freezes or crashes on some devices
- Compatibility issues on older devices

**Requested features**

- Option to disable ads
- Ability to adjust brightness/contrast
- More variety in scenes and puzzles


### 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 Captain Nemo free?

Captain Nemo 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 Captain Nemo or Sudoku Glass have ads?

Captain Nemo shows ads; Sudoku Glass does not.

### Which is updated more often, Captain Nemo or Sudoku Glass?

Captain Nemo ships an update every 22 months, and Sudoku Glass every 11 months. Most recently, Captain Nemo was updated on November 2, 2026 and Sudoku Glass on October 30, 2026.

---

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