Kays vs Engagement Ring Builder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kays
This app serves as a comprehensive directory for the UK film and TV production industry. It lists thousands of companies and technicians, covering areas like props, production services, and equipment rental. Features include advanced search, a favorites section, and an enquiry service.
- Company and technician listings
- Search by city, county, radius
- My Enquiry service
- Favorites section
- Photo & showreel galleries
- Intuitive browse tools
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Kays are delighted to announce the latest version of their ever successful UK App. Kays are the essential resource for Producers, Production Managers, Location Managers and all key personnel in the film and TV production industry, with constantly updated listings for thousands of top level companies and technicians. From props to production companies and lighting to camera rental, the Kays App is a must have for production crew and freelance technicians. The App has a fresh new look and features powerful, fast and intuitive browse and search tools, with the ability to sort by city, county and radius. We have included a new 'My Enquiry' service, a favourites section along with photo & showreel galleries.
Engagement Ring Builder
Empower customers to design personalized rings by combining your inventory with virtual diamonds. Seamlessly integrate this tool with your website for a customized shopping experience, supporting local languages and currencies.
- Personalized ring design
- Virtual diamond inventory integration
- Customizable app appearance
- Local language and currency support
- Markup customization
- Supplier and product range selection
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Let customers build personalized rings using yours and our diamond inventory, and then place orders from you! Put your customers in the front seat. Let them create the ring they desire with a seamless Shopify app that you can integrate with your and The Diamond Port’s virtual inventory! Our ring builder app is a state-of-the-art virtual experience with a customized extension that can be combined with your website theme. You can also set the app to your local language and currency so that customers can easily build, create, and match the ring they desire. Features Merge your physical and virtual inventory to give customers diverse options. Customize aspects of your app, such as colors, filters, search controls, and display tabs, for seamless integration. Also, customize markups as you wish. Choose suppliers and product ranges to suit your business goals. Set up the app in your local language and currency. Integrate seamlessly with Diamond Port Suppliers.
Screenshots
Verdict
The clearest difference is rating: Engagement Ring Builder at 5.0 against Kays's 1.8. Engagement Ring Builder also leads on update cadence (every 2 days vs fortnightly). Kays's advantage is ratings volume (10 vs 2). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Engagement Ring Builder holds the better App Store score, 5.0 against 1.8. That said, the two scores are not equally well evidenced: Kays has 10 ratings behind it against 2, so its average is the more settled of the two.
Kays ships an update fortnightly, Engagement Ring Builder every 2 days. The most recent releases landed on September 10, 2026 and June 10, 2026 respectively.
| Parameter | Kays | Engagement Ring Builder |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (10 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 10 — better | 2 |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 | 13.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Kays Limited | Rishabh Motiwala |
Customer experience
Kays
Engagement Ring Builder
In-app purchases
Kays
No in-app purchases
Engagement Ring Builder
No in-app purchases






