Comparison

GBCO vs Terra Cor Diamonds

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

Diamond Solitaire

★ 5.02 ratingsView app →

About

GBCO

Features

Read full description

This App is an Inventory search for Diamond Solitaires and can be viewed by authorised vendors only in the marketplace.

About

Terra Cor Diamonds

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

Read full description

Terracor Diamonds empowers the way you manage diamonds. You can easily count diamonds from our app. Open Terracor App > Stone Counting > Take Photos of the Diamonds > See Results.

Screenshots

GBCO4 screens

Terra Cor Diamonds4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 7 level

GBCO versus Terra Cor Diamonds: the parameters behind the verdict, then further details
Parameter	GBCO	Terra Cor Diamonds
Price	Free	Free
Rating	—	5.0 (2 ratings) — better
Number of ratings	—	2 — better
Update frequency	Every 20 months	Every 9 days — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.6	11.0 — better
Further details — not scored
Size	37 MB	49 MB
Age rating	4+	4+
Developer	Creative Minds	PARIKH HOLDINGS LLC.

In-app purchases

None

GBCO

No in-app purchases

None

Terra Cor Diamonds

No in-app purchases

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.