# Flux vs Hidden Blocks

The clearest difference is ads: Flux at none against Hidden Blocks's shown. Hidden Blocks's advantage is update cadence (weekly vs fortnightly) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Flux sells 1 one-off in-app purchase and Hidden Blocks sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Flux ships an update fortnightly, Hidden Blocks weekly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Flux | Hidden Blocks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/flux-pure-reflex/id6759459604/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Freemium | — |
| Size | 17 MB | 89 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kosshii Apps](https://appshunter.io/developer/1802672453) | [Logan Land](https://appshunter.io/developer/1896703411) |

## What reviewers say

### Flux

[App page](https://appshunter.io/ios/app/flux-pure-reflex/id6759459604)

Test your reflexes in this minimalist game where you tap lanes to match falling tiles. Avoid mistakes to survive as the speed and pressure increase. Offers multiple modes and a Pro upgrade for advanced training.

**Highlights:** Minimalist reaction gameplay, Increasing speed and pressure, Instant restart, Haptic feedback, Three intensity modes, Pro mode with advanced features

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flux Pro | Free | one-time |


### Hidden Blocks

[App page](https://appshunter.io/ios/app/hidden-blocks-cube-counting/id6776471897)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Gems | $0.99 | one-time |
| 20 Gems | $1.99 | one-time |
| Unlimited Play · 3 Hours | $2.99 | one-time |
| 50 Gems | $4.99 | one-time |
| Unlimited Play · 24 Hours | $6.99 | one-time |
| 125 Gems | $9.99 | one-time |
| 250 Gems | $19.99 | one-time |
| 700 Gems | $49.99 | one-time |


## Frequently asked questions

### Is Flux free?

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

### Is Hidden Blocks free?

Hidden Blocks is free to download, with in-app purchases available.

### Do Flux or Hidden Blocks have ads?

Hidden Blocks shows ads; Flux does not.

### Which is updated more often, Flux or Hidden Blocks?

Flux ships an update fortnightly, and Hidden Blocks weekly. Most recently, Flux was updated on October 16, 2026 and Hidden Blocks on October 17, 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.*