Celsteel vs Josyfon
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Celsteel
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With the Celsteel Ltd app, you can quickly and easily view our complete stock of diamonds and enquire with a single tap. Simply enter your requirements (carat, cut, clarity etc) in our user-friendly interface to search our diamond stock list. The search results will display diamonds based on your exact requirement, saving time carrying out repeated searches. Features include: : Celsteel Diamond stock search : View diamond certificates (GIA and HRD) : View diamond prices : One-click diamond enquiry submission : One-time login : Trade only : Call Celsteel Ltd direct from the search results page Celsteel Ltd are one of the leading diamond wholesalers in the UK, located in Hatton Garden, London, the diamond capital of the UK, we supply polished diamonds to the trade throughout the UK and worldwide.ย If you have any questions relating to the Appโs use or functionality, do not hesitate to call or drop us an email.
Josyfon
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L & R Josyfon Ltd stock search app This app provides search facilities for Josyfon diamond stock. Established over 100 years ago, L & R Josyfon Ltd offer the finest quality certificated, non-certified stones and loose stones.
Screenshots
Verdict
Celsteel and Josyfon are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 5 weeks. Both last shipped on November 2, 2026.
| Parameter | Celsteel | Josyfon |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.4 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 10 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Celsteel Ltd | L & R JOSYFON LIMITED |
In-app purchases
Celsteel
No in-app purchases
Josyfon
No in-app purchases









