# Dark City vs Brain Playground

The clearest difference is update cadence: Brain Playground at every 10 days against Dark City's every 5 weeks. Dark City's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Dark City sells 1 one-off in-app purchase and Brain Playground sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Dark City ships an update every 5 weeks, Brain Playground every 10 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Dark City | Brain Playground |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/dark-city-kyiv-hidden-objects/id6478279868/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 78.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 1.2 GB | 45 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Friendly Fox Games Limited](https://appshunter.io/developer/1815137310) | [Jihoon Bang](https://appshunter.io/developer/6776155905) |

## What reviewers say

### Dark City

[App page](https://appshunter.io/ios/app/dark-city-kyiv-hidden-objects/id6478279868)

Step into the shoes of a detective in Kyiv to uncover a dark mystery involving supernatural beings and a city on the brink. Solve puzzles, find hidden objects, and decide who to trust in this paranormal adventure.

**Highlights:** Uncover mystery of disappearing magical creatures, Strategy guide for navigation, Replay favorite HOPs and mini-games, Collect special characters and morphing objects, Enjoy concept art, screensavers, and music

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game & Bonus Unlock | $6.99 | one-time |

**What reviewers like**

- 🌟 Excellent graphics and design
- 🎨 Beautiful Ukrainian folklore themes
- 🤩 Engaging and immersive storylines
- 👍 Variety of challenging puzzles
- 💎 High-quality original games

**What reviewers complain about**

- 🤔 Some mini-games can be too difficult
- ⌚ Desire for longer gameplay experiences
- 💰 Concerns about in-app purchases

**Reported bugs**

- Issues with puzzle controls and responsiveness
- Occasional crashes or glitches

**Requested features**

- More frequent game releases
- Ability to skip or adjust difficulty of mini-games


### Brain Playground

[App page](https://appshunter.io/ios/app/brain-playground/id6776155903)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| full charge | $0.99 | one-time |
| energy expansion | $1.99 | one-time |
| 1,000 Neurons | $1.99 | one-time |
| 50,000 Coin | $1.99 | one-time |
| 100,000 Coin | $2.99 | one-time |
| 5000 Neurons | $3.99 | one-time |
| 10,000 Neurons | $5.99 | one-time |
| 200,000 Coin | $5.99 | one-time |
| VIP | $6.99 | one-time |
| 500,000 Coin | $17.99 | one-time |


## Frequently asked questions

### Is Dark City free?

Dark City is free to download, with in-app purchases available.

### Is Brain Playground free?

Brain Playground is free to download, with in-app purchases available.

### Do Dark City or Brain Playground have ads?

Neither Dark City nor Brain Playground shows ads.

### Which is updated more often, Dark City or Brain Playground?

Dark City ships an update every 5 weeks, and Brain Playground every 10 days. Most recently, Dark City was updated on November 4, 2026 and Brain Playground on November 5, 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.*