# J&B Materials vs Coolina

The clearest difference is update cadence: Coolina at monthly against J&B Materials's every 9 months. J&B Materials's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

J&B Materials ships an update every 9 months, Coolina monthly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | J&B Materials | Coolina |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (133 ratings)](https://appshunter.io/ios/app/coolina/id6462471014/reviews)** |
| Number of ratings | — | **133** |
| Positive reviews | — | 90.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Monetization | — | Ad-supported |
| Size | 56 MB | 85 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kodaris, Inc](https://appshunter.io/developer/1032999279) | [Coolina](https://appshunter.io/developer/1703082550) |

## What reviewers say

### J&B Materials

[App page](https://appshunter.io/ios/app/j-and-b-materials/id1561364762)

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

**In-app purchases:** none


### Coolina

[App page](https://appshunter.io/ios/app/coolina/id6462471014)

Shop the latest knife collections with exclusive discounts and early access to new launches. Enjoy easy browsing, first-to-know notifications, and a fast, secure checkout process for all your purchases.

**Highlights:** Exclusive discounts, Early access to launches, Easy browsing, First-to-know notifications, Secure checkout

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

**In-app purchases:** none


## Frequently asked questions

### Is J&B Materials free?

J&B Materials is free to download, with no in-app purchases.

### Is Coolina free?

Coolina is free to download, with no in-app purchases.

### Do J&B Materials or Coolina have ads?

Neither J&B Materials nor Coolina shows ads.

### Which is updated more often, J&B Materials or Coolina?

J&B Materials ships an update every 9 months, and Coolina monthly. Most recently, J&B Materials was updated on October 27, 2026 and Coolina on October 24, 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.*