Comparison

WorthPoint vs Diederich Auction

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

Head to head
About

WorthPoint

Research and price antiques and collectibles on the go. Identify items using a visual database, access historical pricing data, and catalog your collection. Buy and sell smarter with expert insights.

Highlights
  • On-the-go item pricing and research
  • Visual database for identification
  • Historical pricing data from auction houses
  • Catalog and organize personal collections
  • Expert-written collectibles dictionary
Features
Currently charting
Read full description

The WorthPoint app lets you price & research items on-the-go from your iPhone and iPad. We help collectors and resellers alike answer two burning questions: what is it, and what’s it worth? Whether you’re browsing at home or hunting at an antique mall, flea market, or garage/estate sale, take our suite of tools with you to discover value anytime, anywhere. No matter where you are, WorthPoint on your iPhone and iPad helps you see the collectibles market more clearly. Go ahead, try it out! Buy Better & Sell Smarter • Find accurate pricing trends with our Price Guide comprising nearly 2 decades of historical pricing data aggregated from the world’s leading auction houses and online marketplaces. Identify & Authenticate • Search our visual database of makers’ marks, autographs, patterns, and symbols to identify your item and discover its history, value, and authenticity. Catalog & Preserve • Store, track, and organize your prized possessions and watch them grow in value with the Vault — a personal digital archive. Antiques & collectibles, simplified. • Our Dictionary is your quick reference guide to the collectibles market written by real WorthPoint experts. Already a subscriber? Fantastic. You can use your same login credentials both in-app and on WorthPoint.com. Want to upgrade to access all WorthPoint has to offer? You can do that too -- just visit your Account page in-app or online. WorthPoint offers access to products through a paid subscription. • Payment will be charged to your app store account at confirmation of purchase • Subscription automatically renews on selected term basis (monthly or annual) • Subscriptions may be managed by the user by going to the user's My Account page after purchase • No cancellation fees Visit our support page: https://wp.force.com/FAQ/s/ Terms of use: https://www.worthpoint.com/page/terms-use

About

Diederich Auction

Features
Read full description

The Diederich Auction Gallery App lets you view our Auction Calendar and Bid Live in our Auctions from your mobile device. Participate in our Auctions from anywhere using your mobile device and unlock the following features: - View the Auction Calendar of Upcoming and Past Auctions. - Search Lots. - Save Favorite Lots. - Register for Upcoming Auctions. - Receive reminders to ensure you never miss a chance to Bid in an Auction. - Leave Absentee Bids. - Bid Live. - Track your Bidding Activity.

Screenshots

WorthPoint4 screens
Diederich Auction4 screens

Verdict

The call

The clearest difference is in-app purchases: Diederich Auction at none against WorthPoint's 6. WorthPoint's advantage is update cadence (monthly vs every 10 months) and chart position (#20 vs unranked). On price, ads, device support and iOS requirement 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. WorthPoint sells 6 in-app purchases, starting at $19.99 per month. Diederich Auction asks for nothing beyond the download.

UpkeepUpdate frequency

WorthPoint ships an update monthly, Diederich Auction every 10 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 8 level
WorthPoint versus Diederich Auction: the parameters behind the verdict, then further details
ParameterWorthPointDiederich Auction
PriceFreeFree
Rating2.1 (116 ratings) — better—
Positive reviews9.7% of reviews—
Number of ratings116 — better—
Update frequencyMonthly — betterEvery 10 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
Best chart rank#20 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size84 MB37 MB
Age rating17+4+
DeveloperWorthPoint CorporationDiederich Auction Gallery LLC

Bugs and requests

WorthPoint

Reported bugs

5 issues
  • Constant login issues and account lockouts
  • Unreliable search results and filters
  • Crashes and freezes when using the app
  • Inability to copy/paste in search bar
  • Inconsistent behavior after app updates

Requested features

4 requests
  • Improve search capabilities
  • Enhance user interface and navigation
  • Provide better customer support
  • Offer more affordable pricing options

Diederich Auction

Not enough reviews yet to summarise bugs or requests.

In-app purchases

6 purchases

WorthPoint

Subscriptions6
  • MARKS Premium Monthly$19.991 Month
  • Price Guide Monthly$26.991 Month
  • Price Guide + MARKS Monthly$37.991 Month
Show 3 more
  • MARKS Premium Annual$99.991 Year
  • Price Guide Annual$249.991 Year
  • Price Guide + MARKS Annual$399.991 Year
None

Diederich Auction

No in-app purchases

Questions

Is WorthPoint free?
WorthPoint is free to download, with in-app purchases available.
Is Diederich Auction free?
Diederich Auction is free to download, with no in-app purchases.
Do WorthPoint or Diederich Auction have ads?
Neither WorthPoint nor Diederich Auction shows ads.
Which is updated more often, WorthPoint or Diederich Auction?
WorthPoint ships an update monthly, and Diederich Auction every 10 months. Most recently, WorthPoint was updated on October 26, 2026 and Diederich Auction on October 25, 2026.

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