# GBCO vs Terra Cor Diamonds

The clearest difference is update cadence: Terra Cor Diamonds at every 9 days against GBCO's every 20 months. Terra Cor Diamonds also leads on iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

GBCO ships an update every 20 months, Terra Cor Diamonds every 9 days. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | GBCO | Terra Cor Diamonds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/terra-cor-diamonds/id1539937063/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 37 MB | 49 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Creative Minds](https://appshunter.io/developer/1632074999) | [PARIKH HOLDINGS LLC.](https://appshunter.io/developer/1539937065) |

## What reviewers say

### GBCO

[App page](https://appshunter.io/ios/app/gbco/id1510572575)

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

**In-app purchases:** none


### Terra Cor Diamonds

[App page](https://appshunter.io/ios/app/terra-cor-diamonds/id1539937063)

Easily count diamonds by taking photos. The app guides you through capturing images of stones and then displays the results. Streamline your diamond management process with this intuitive tool.

**Highlights:** Diamond counting, Photo-based analysis, Streamlined management, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GBCO free?

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

### Is Terra Cor Diamonds free?

Terra Cor Diamonds is free to download, with no in-app purchases.

### Do GBCO or Terra Cor Diamonds have ads?

Neither GBCO nor Terra Cor Diamonds shows ads.

### Which is updated more often, GBCO or Terra Cor Diamonds?

GBCO ships an update every 20 months, and Terra Cor Diamonds every 9 days. Most recently, GBCO was updated on October 25, 2026 and Terra Cor Diamonds on October 16, 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.*