# Memory ABC PRO vs Nuts & Bolts

The clearest difference is price: Nuts & Bolts at Free against Memory ABC PRO's $2.99. Nuts & Bolts also leads on update cadence (every 4 weeks vs every 39 months). Memory ABC PRO's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Nuts & Bolts is free to download; Memory ABC PRO costs $2.99 up front. Nuts & Bolts sells 10 one-off in-app purchases. Memory ABC PRO asks for nothing beyond the download.

Memory ABC PRO ships an update every 39 months, Nuts & Bolts every 4 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Memory ABC PRO | Nuts & Bolts |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.8 (440 ratings)](https://appshunter.io/ios/app/nuts-and-bolts-screw-jam/id6499494830/reviews)** |
| Number of ratings | — | **440** |
| Positive reviews | — | 40.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 39 months | **Every 4 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 200 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Andrea Bisegna](https://appshunter.io/developer/1069174556) | [FLINT TECHNOLOGY PTE LTD](https://appshunter.io/developer/1554426260) |

## What reviewers say

### Memory ABC PRO

[App page](https://appshunter.io/ios/app/memory-abc-pro/id1457309487)

**Features:** Vision Pro support

**In-app purchases:** none


### Nuts & Bolts

[App page](https://appshunter.io/ios/app/nuts-and-bolts-screw-jam/id6499494830)

Engage in a challenging brain teaser where you must strategically remove screws in the correct order to clear the board. Hundreds of levels offer increasing difficulty and new puzzles to solve, testing your quick thinking and problem-solving skills.

**Highlights:** Screw removal puzzle gameplay, Hundreds of challenging levels, Brain teaser and quick thinking, Intuitive controls, Regularly updated content

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LIMITED OFFER $0.49 | $0.49 | one-time |
| LIMITED OFFER $0.99 | $0.99 | one-time |
| COIN 1000 | $1.99 | one-time |
| END LESS 1.99 | $1.99 | one-time |
| SALE 1.99 | $1.99 | one-time |
| END LESS 2.99 | $2.99 | one-time |
| PIGGY BANK | $2.99 | one-time |
| REMOVE ADS | $5.99 | one-time |
| SALE 5.99 | $5.99 | one-time |
| ADVANCED BUNDLE | $12.99 | one-time |


## Frequently asked questions

### Is Memory ABC PRO free?

Memory ABC PRO costs $2.99, with no in-app purchases.

### Is Nuts & Bolts free?

Nuts & Bolts is free to download, with in-app purchases available.

### Do Memory ABC PRO or Nuts & Bolts have ads?

Nuts & Bolts shows ads; Memory ABC PRO does not.

### Which is updated more often, Memory ABC PRO or Nuts & Bolts?

Memory ABC PRO ships an update every 39 months, and Nuts & Bolts every 4 weeks. Most recently, Memory ABC PRO was updated on October 27, 2026 and Nuts & Bolts on October 30, 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.*