Comparison

I Davidowits Diamonds vs Lusterline.

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

Head to head

I Davidowits Diamonds

About

I Davidowits Diamonds

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Search from thousands of certified diamonds and view real time inventory from Isaac Davidowits.

About

Lusterline.

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Lusterline is a professional diamond sourcing app built for B2B jewelry clients. Browse available diamond inventory, review key stone details, compare options, and connect for pricing and orders. Designed for jewelers, retailers, and trade buyers who need a faster, simpler way to source quality diamonds with confidence.

Screenshots

I Davidowits Diamonds4 screens

Lusterline.4 screens

Verdict

The call

The clearest difference is update cadence: Lusterline. at monthly against I Davidowits Diamonds's every 12 months. 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

I Davidowits Diamonds ships an update every 12 months, Lusterline. monthly. The most recent releases landed on October 27, 2026 and October 29, 2026 respectively.

Scorecard1 real difference · 5 level

I Davidowits Diamonds versus Lusterline.: the parameters behind the verdict, then further details
Parameter	I Davidowits Diamonds	Lusterline.
Price	Free	Free
Update frequency	Every 12 months	Monthly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	15.1 — better	16.4
Further details — not scored
Size	48 MB	53 MB
Age rating	4+	4+
Developer	Isaac Davidowits LLC	LusterLine

In-app purchases

None

I Davidowits Diamonds

No in-app purchases

None

Lusterline.

No in-app purchases

Questions

Is I Davidowits Diamonds free?

I Davidowits Diamonds is free to download, with no in-app purchases.

Is Lusterline. free?

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

Do I Davidowits Diamonds or Lusterline. have ads?

Neither I Davidowits Diamonds nor Lusterline. shows ads.

Which is updated more often, I Davidowits Diamonds or Lusterline.?

I Davidowits Diamonds ships an update every 12 months, and Lusterline. monthly. Most recently, I Davidowits Diamonds was updated on October 27, 2026 and Lusterline. on October 29, 2026.