# Blackstone Mysteries vs Captain Nemo

The clearest difference is update cadence: Blackstone Mysteries at fortnightly against Captain Nemo's every 22 months. Blackstone Mysteries also leads on iOS requirement (11.0 vs 13.4). Captain Nemo's advantage is review sentiment (87% vs 68%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Blackstone Mysteries sells 12 one-off in-app purchases and Captain Nemo sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Captain Nemo holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 1.9K and 3.7K respectively. Written reviews point the same way: 68% of Blackstone Mysteries's written reviews are positive against 87% of Captain Nemo's.

Blackstone Mysteries ships an update fortnightly, Captain Nemo every 22 months. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Blackstone Mysteries | Captain Nemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (1.9K ratings)](https://appshunter.io/ios/app/blackstone-mysteries/id853908718/reviews) | **[4.6 (3.7K ratings)](https://appshunter.io/ios/app/captain-nemo-hidden-objects/id1181128688/reviews)** |
| Number of ratings | 1.9K | **3.7K** |
| Positive reviews | 68.3% of reviews | **86.9% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 22 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 92 MB | 169 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Rolltower Studios Inc](https://appshunter.io/developer/672539756) | [Crisp App Studio](https://appshunter.io/developer/1143551614) |

## What reviewers say

### Blackstone Mysteries

[App page](https://appshunter.io/ios/app/blackstone-mysteries/id853908718)

Step into the shoes of a detective and solve intriguing mysteries in a city full of suspense. Search for hidden objects across hundreds of quests and diverse scenes. Enjoy various game modes and collect numerous items to unravel the town's secrets.

**Highlights:** Investigate puzzling mysteries, Search for hidden objects, Explore gorgeous scenes, Play seven exciting game modes, Complete a myriad of quests, Collect hundreds of items, Utilize hints

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Set of Items | $0.99 | one-time |
| Energy Item Pack | $2.99 | one-time |
| Medium Set of Items | $2.99 | one-time |
| 15000 Coins | $4.99 | one-time |
| 44 Gems | $4.99 | one-time |
| 31750 Coins | $9.99 | one-time |
| 93 Gems | $9.99 | one-time |
| 30000 Coins and 90 Gems | $9.99 | one-time |
| Large Set of Items | $9.99 | one-time |
| 190 Gems | $19.99 | one-time |
| 395 Gems | $39.99 | one-time |
| 999 Gems | $99.99 | one-time |

**What reviewers like**

- 💰 Money pit at first, but levels off quickly
- 🕵️‍♀️ Great search game, none better
- 👍 Enjoyable
- 🎨 Varied activities and mini-games
- 🏢 Office to decorate

**What reviewers complain about**

- 🔋 Energy runs out too quickly
- 🕰️ Slow progress and high costs to unlock new areas
- 🔍 Difficult to find required items
- 🐛 Frequent crashes and glitches
- 📺 Too many ads

**Reported bugs**

- Frequent crashes and freezes
- Rewards and purchases not working as expected
- Orientation issues after watching ads
- Friend requests not functioning properly

**Requested features**

- Faster energy regeneration
- Lower costs to unlock new areas
- Improved item drop rates
- Zoom function for better visibility
- Streamlined friend request system


### 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


## Frequently asked questions

### Is Blackstone Mysteries free?

Blackstone Mysteries is free to download, with in-app purchases available.

### Is Captain Nemo free?

Captain Nemo is free to download, with in-app purchases available.

### Which has better reviews, Blackstone Mysteries or Captain Nemo?

Captain Nemo is rated higher. Blackstone Mysteries averages 4.4 out of 5 from 1.9K ratings, while Captain Nemo averages 4.6 from 3.7K ratings.

### Do Blackstone Mysteries or Captain Nemo have ads?

Both Blackstone Mysteries and Captain Nemo show ads.

### Which is updated more often, Blackstone Mysteries or Captain Nemo?

Blackstone Mysteries ships an update fortnightly, and Captain Nemo every 22 months. Most recently, Blackstone Mysteries was updated on October 21, 2026 and Captain Nemo 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.*