HKIDA vs Zipang Auctions
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
HKIDA
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βHKIDAβ stands for Hong Kong Indian Diamond Association. We are a group of Indian diamond traders based in Hong Kong. The purpose of this association is to improve the relationships and promote better understanding among Natural Diamond and Natural Diamond Jewellery dealers and traders in Hong Kong. We currently have 235 active members in our association. HKIDA provides many following valuable benefits to its members: - Availability of C.V.D. Machine to its members for free of cost - Members can use HKIDA office for their business activities for free of cost - HKIDA helps its members in account opening process in Bank Of China and DBS Bank - Availability of HKIDA Pavilion to its members - HKIDA does collective bargaining for its members with activities like HKJMA Shows discount and HRD Antwerp - HKIDA provides Trading Platform to buy/sell different kind of diamonds to its members - HKIDA members can get special discount for any kind of legal service from some selected law firms like Solicitor (Munros), Stevenson and Wong & Co - HKIDA organises business seminars for its members where top industry people come and give their speeches
Zipang Auctions
This platform connects sellers and bidders with full transparency regarding the condition and specifications of goods. It aims to provide bidders with a clear understanding of items before they place their bids.
- Transparent goods disclosure
- Detailed item specifications
- Bidder confidence features
- Seller-to-bidder platform
- Condition transparency
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Zipang Auctions is a platform established solely for the purpose of introducing the sellerβs goods to the Bidder in the best possible way so that Bidders have full transparency and disclosure of the condition and specifications of goods offered.
Screenshots
Verdict
HKIDA and Zipang Auctions are too close to call on the numbers: across 6 compared parameters β price, update cadence, ads and in-app purchases among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
HKIDA ships an update every 3 weeks, Zipang Auctions every 11 days. The most recent releases landed on October 19, 2026 and October 3, 2026 respectively.
| Parameter | HKIDA | Zipang Auctions |
|---|---|---|
| Price | Free | Free |
| Positive reviews | β | 100.0% of reviews |
| Update frequency | Every 3 weeks | Every 11 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | β | Free |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 15.6 | 15.1 β better |
| Further details β not scored | ||
| Size | 28 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | HONG KONG INDIAN DIAMOND INSTITUTION LIMITED | MY AUCTIONS, K.K. |
In-app purchases
HKIDA
No in-app purchases
Zipang Auctions
No in-app purchases









