# Nuts & Bolts, Color Screw Sort vs Bolt Stack

The clearest difference is review sentiment: Bolt Stack at 100% against Nuts & Bolts, Color Screw Sort's 47%. Bolt Stack also leads on rating (5.0 vs 4.7). Nuts & Bolts, Color Screw Sort's advantage is in-app purchases (none vs 16) and ratings volume (3.3K vs 65). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. Bolt Stack sells 16 one-off in-app purchases. Nuts & Bolts, Color Screw Sort asks for nothing beyond the download.

Bolt Stack holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Nuts & Bolts, Color Screw Sort has 3.3K ratings behind it against 65, so its average is the more settled of the two. Written reviews point the same way: 47% of Nuts & Bolts, Color Screw Sort's written reviews are positive against 100% of Bolt Stack's.

Nuts & Bolts, Color Screw Sort ships an update every 6 days, Bolt Stack every 8 days. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Nuts & Bolts, Color Screw Sort | Bolt Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3.3K ratings)](https://appshunter.io/ios/app/nuts-and-bolts-color-screw-sort/id6474066540/reviews) | **[5.0 (65 ratings)](https://appshunter.io/ios/app/bolt-stack/id6740620440/reviews)** |
| Number of ratings | **3.3K** | 65 |
| Positive reviews | 47.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Every 8 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 183 MB | 365 MB |
| Requires iOS | **12.5** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zego Global Pte Ltd](https://appshunter.io/developer/1637372610) | [HOMA GAMES](https://appshunter.io/developer/1508492426) |

## What reviewers say

### Nuts & Bolts, Color Screw Sort

[App page](https://appshunter.io/ios/app/nuts-and-bolts-color-screw-sort/id6474066540)

A relaxing yet challenging puzzle game where you sort colored nuts onto corresponding bolts. Train your brain and critical thinking skills with increasing difficulty levels. Enjoy a no-timer, no-penalty experience perfect for killing time.

**Highlights:** Color nut sorting, Brain training, Combinational logic, Increasing difficulty, No timer, No penalties

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- ❤️ Awesome game
- 🤩 Simply Wonderful!!
- 😍 Beauty
- 👍 Screw game

**What reviewers complain about**

- 🙄 Horrible
- 😒 Too many ads and too long
- 😤 Way to many ads, the game is not fun because of that
- 🤬 How 4.7 rating
- 😡 Ads ads ads

**Reported bugs**

- Sound gone after 10 min of playing
- Green check marks very distracting
- Ads button doesn't work
- Ads covering the screen and can't close them
- Purchased extra content not working

**Requested features**

- Fix sound issue
- Option to skip ads and still progress


### 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 (16)**

| 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 |
| Fail Offer | $5.99 | one-time |
| No-Ads | $6.99 | one-time |
| Out of Lives | $6.99 | one-time |
| Good Deal | $7.99 | one-time |
| Pile of Coins | $7.99 | one-time |
| Life Rush | $9.99 | one-time |
| No-Ads Bundle | $11.99 | one-time |
| Heap of coins | $14.99 | one-time |
| Bag of Coins | $29.99 | one-time |
| Chest of Coins | $99.99 | one-time |


## Frequently asked questions

### Is Nuts & Bolts, Color Screw Sort free?

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

### Is Bolt Stack free?

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

### Which has better reviews, Nuts & Bolts, Color Screw Sort or Bolt Stack?

Bolt Stack is rated higher. Nuts & Bolts, Color Screw Sort averages 4.7 out of 5 from 3.3K ratings, while Bolt Stack averages 5.0 from 65 ratings.

### Do Nuts & Bolts, Color Screw Sort or Bolt Stack have ads?

Both Nuts & Bolts, Color Screw Sort and Bolt Stack show ads.

### Which is updated more often, Nuts & Bolts, Color Screw Sort or Bolt Stack?

Nuts & Bolts, Color Screw Sort ships an update every 6 days, and Bolt Stack every 8 days. Most recently, Nuts & Bolts, Color Screw Sort was updated on September 26, 2026 and Bolt Stack on September 19, 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.*