Comparison

The Diamond Store Ring Sizer vs Concept Pro AI Link

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

Head to head

The Diamond Store Ring Sizer

About

The Diamond Store Ring Sizer

Easily determine ring sizes in UK, EU, or USA measurements using your phone. Simply place an existing ring on your screen and adjust a circle to match its inner diameter, perfect for keeping gifts a surprise.

Highlights

Accurate ring size measurement
Supports UK, EU, and USA sizing
Covers all sizes F-Z
Easy to use interface
Keeps gift purchases a surprise

Features

Read full description

Our free Ring Size App is accurate and easy to use Find out a ring size in UK, EU or USA measurements. All sizes F - Z included, from smallest to largest finger. Simply place your loved one's existing ring on your phone screen, and then adjust the circle until it fits the inside of the ring exactly. This app helps you keep an engagement ring or a special gift a surprise and saves you a trip to the jewellers. The Diamond Store – Luxury With Confidence

About

Concept Pro AI Link

Features

Read full description

This app integrates with video analytics devices to provide real-time alerts, event search, and device control. Receive instant push notifications for analyzed events, search and review stored events, and easily control devices connected to the video analytics system. With an intuitive interface, it ensures efficient monitoring and system management for an optimal user experience.

Screenshots

The Diamond Store Ring Sizer3 screens

Concept Pro AI Link4 screens

Verdict

The call

The clearest difference is update cadence: Concept Pro AI Link at monthly against The Diamond Store Ring Sizer's every 8 months. The Diamond Store Ring Sizer's advantage is iOS requirement (13.0 vs 16.6). 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

The Diamond Store Ring Sizer ships an update every 8 months, Concept Pro AI Link monthly. The most recent releases landed on October 9, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 6 level

The Diamond Store Ring Sizer versus Concept Pro AI Link: the parameters behind the verdict, then further details
Parameter	The Diamond Store Ring Sizer	Concept Pro AI Link
Price	Free	Free
Positive reviews	23.5% of reviews	—
Update frequency	Every 8 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	13.0 — better	16.6
Further details — not scored
Size	5 MB	104 MB
Age rating	4+	4+
Developer	TheDiamondStore.co.uk	Concept Pro Surveillance

In-app purchases

None

The Diamond Store Ring Sizer

No in-app purchases

None

Concept Pro AI Link

No in-app purchases

Questions

Is The Diamond Store Ring Sizer free?

The Diamond Store Ring Sizer is free to download, with no in-app purchases.

Is Concept Pro AI Link free?

Concept Pro AI Link is free to download, with no in-app purchases.

Do The Diamond Store Ring Sizer or Concept Pro AI Link have ads?

Neither The Diamond Store Ring Sizer nor Concept Pro AI Link shows ads.

Which is updated more often, The Diamond Store Ring Sizer or Concept Pro AI Link?

The Diamond Store Ring Sizer ships an update every 8 months, and Concept Pro AI Link monthly. Most recently, The Diamond Store Ring Sizer was updated on October 9, 2026 and Concept Pro AI Link on October 18, 2026.