# Nuts Color Bolts vs Eulerian

The clearest difference is in-app purchases: Nuts Color Bolts at none against Eulerian's 9. Nuts Color Bolts also leads on iOS requirement (13.0 vs 17.0). Eulerian's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. Eulerian sells 9 in-app purchases, starting at $3.99 per month. Nuts Color Bolts asks for nothing beyond the download.

Nuts Color Bolts ships an update every 4 months, Eulerian every 3 weeks. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Nuts Color Bolts | Eulerian |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (45 ratings)](https://appshunter.io/ios/app/nuts-color-bolts-sorting-game/id6499002883/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Ad-supported | — |
| Size | 192 MB | 19 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Game Storm Studios (Pvt) Ltd](https://appshunter.io/developer/756785898) | [Madhav Dogra](https://appshunter.io/developer/1866043950) |

## What reviewers say

### Nuts Color Bolts

[App page](https://appshunter.io/ios/app/nuts-color-bolts-sorting-game/id6499002883)

Engage in a colorful sorting puzzle where you twist, tap, and move nuts to match them with their correct bolts. This game offers simple yet challenging levels designed to test your logic and focus, providing a relaxing brain workout.

**Highlights:** Color nut sorting, Logic and focus challenges, Relaxing gameplay, Endless levels, Brain training puzzles

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

**In-app purchases:** none


### Eulerian

[App page](https://appshunter.io/ios/app/eulerian/id6760196420)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Endless Monthly | $3.99 | per month |
| 5 Hints | $0.99 | one-time |
| 15 Hints | $1.99 | one-time |
| All Premium Themes | $3.99 | one-time |
| Double Coins | $4.99 | one-time |
| Remove Ads | $4.99 | one-time |
| 50 Hints | $4.99 | one-time |
| 150 Hints | $9.99 | one-time |
| 500 Hints | $19.99 | one-time |


## Frequently asked questions

### Is Nuts Color Bolts free?

Nuts Color Bolts is free to download, with no in-app purchases.

### Is Eulerian free?

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

### Do Nuts Color Bolts or Eulerian have ads?

Nuts Color Bolts shows ads; Eulerian does not.

### Which is updated more often, Nuts Color Bolts or Eulerian?

Nuts Color Bolts ships an update every 4 months, and Eulerian every 3 weeks. Most recently, Nuts Color Bolts was updated on October 8, 2026 and Eulerian on October 9, 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.*