# Steel Nuts & Bolts Sort Puzzle vs Bolt Stack

The clearest difference is in-app purchases: Steel Nuts & Bolts Sort Puzzle at none against Bolt Stack's 10. Steel Nuts & Bolts Sort Puzzle also leads on update cadence (every 3 days vs every 8 days) and iOS requirement (11.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Bolt Stack sells 10 one-off in-app purchases. Steel Nuts & Bolts Sort Puzzle asks for nothing beyond the download.

Steel Nuts & Bolts Sort Puzzle ships an update every 3 days, Bolt Stack every 8 days. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Steel Nuts & Bolts Sort Puzzle | Bolt Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (65 ratings)](https://appshunter.io/ios/app/bolt-stack/id6740620440/reviews)** |
| Number of ratings | — | **65** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 8 days |
| Monetization | — | Free with in-app purchases |
| Size | 146 MB | 365 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Muhammad Ahmad](https://appshunter.io/developer/1749335512) | [HOMA GAMES](https://appshunter.io/developer/1508492426) |

## What reviewers say

### Steel Nuts & Bolts Sort Puzzle

[App page](https://appshunter.io/ios/app/steel-nuts-and-bolts-sort-puzzle/id6664071199)

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

**In-app purchases:** none


### Bolt Stack

[App page](https://appshunter.io/ios/app/bolt-stack/id6740620440)

Engage your mind with a challenging puzzle game where you must sort nuts correctly to advance through increasingly difficult levels. This brainy experience offers a fun way to test your skills and enhance your cognitive abilities.

**Highlights:** Nut sorting gameplay, Progressive level difficulty, Brain-challenging puzzles, Skill testing, Mind enhancement

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Out of Lives | $0.99 | one-time |
| Good Deal | $1.99 | one-time |
| Some Coins | $1.99 | one-time |
| Life Rush | $3.99 | one-time |
| Starter Pack | $4.99 | one-time |
| Hard Level Fail Offer | $5.99 | one-time |
| No-Ads | $6.99 | one-time |
| Pile of Coins | $7.99 | one-time |
| Life Rush | $9.99 | one-time |
| Heap of coins | $14.99 | one-time |


## Frequently asked questions

### Is Steel Nuts & Bolts Sort Puzzle free?

Steel Nuts & Bolts Sort Puzzle is free to download, with no in-app purchases.

### Is Bolt Stack free?

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

### Do Steel Nuts & Bolts Sort Puzzle or Bolt Stack have ads?

Both Steel Nuts & Bolts Sort Puzzle and Bolt Stack show ads.

### Which is updated more often, Steel Nuts & Bolts Sort Puzzle or Bolt Stack?

Steel Nuts & Bolts Sort Puzzle ships an update every 3 days, and Bolt Stack every 8 days. Most recently, Steel Nuts & Bolts Sort Puzzle was updated on November 8, 2026 and Bolt Stack on November 4, 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.*