# Unique Diamax vs Zipang Auctions

Unique Diamax and Zipang Auctions are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 11 days. The most recent releases landed on October 24, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Unique Diamax | Zipang Auctions |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | Every 11 days |
| Monetization | — | Free |
| Size | 64 MB | 42 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sarvadhi Solutions](https://appshunter.io/developer/1586247907) | [MY AUCTIONS, K.K.](https://appshunter.io/developer/1724719029) |

## What reviewers say

### Unique Diamax

[App page](https://appshunter.io/ios/app/unique-diamax/id1560279795)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Zipang Auctions

[App page](https://appshunter.io/ios/app/zipang-auctions/id6475668664)

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.

**Highlights:** Transparent goods disclosure, Detailed item specifications, Bidder confidence features, Seller-to-bidder platform, Condition transparency

**In-app purchases:** none


## Frequently asked questions

### Is Unique Diamax free?

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

### Is Zipang Auctions free?

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

### Do Unique Diamax or Zipang Auctions have ads?

Neither Unique Diamax nor Zipang Auctions shows ads.

### Which is updated more often, Unique Diamax or Zipang Auctions?

Unique Diamax ships an update every 11 days, and Zipang Auctions every 11 days. Most recently, Unique Diamax was updated on October 24, 2026 and Zipang Auctions on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*