# Zipang Auctions vs SJWorld

Zipang Auctions and SJWorld 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.

Zipang Auctions ships an update every 11 days, SJWorld every 8 days. Both last shipped on September 16, 2026.

## The numbers

| Metric | Zipang Auctions | SJWorld |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 8 days** |
| Monetization | Free | — |
| Size | 42 MB | 48 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MY AUCTIONS, K.K.](https://appshunter.io/developer/1724719029) | [Shivam Jewels](https://appshunter.io/developer/1418412656) |

## What reviewers say

### 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


### SJWorld

[App page](https://appshunter.io/ios/app/sjworld/id6743208170)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zipang Auctions free?

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

### Is SJWorld free?

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

### Do Zipang Auctions or SJWorld have ads?

Neither Zipang Auctions nor SJWorld shows ads.

### Which is updated more often, Zipang Auctions or SJWorld?

Zipang Auctions ships an update every 11 days, and SJWorld every 8 days. Most recently, Zipang Auctions was updated on September 16, 2026 and SJWorld on September 16, 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.*