# 33 AUCTION vs NB Auction

The clearest difference is update cadence: NB Auction at every 9 months against 33 AUCTION's every 51 months. 33 AUCTION's advantage is iOS requirement (10.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

33 AUCTION ships an update every 51 months, NB Auction every 9 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 33 AUCTION | NB Auction |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 51 months | **Every 9 months** |
| Size | 109 MB | 135 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 9+ |
| Developer | [33 Auction Pte. Ltd.](https://appshunter.io/developer/1552876975) | [NB AUCTION](https://appshunter.io/developer/1652265509) |

## What reviewers say

### 33 AUCTION

[App page](https://appshunter.io/ios/app/33-auction/id1178991048)

**Features:** macOS Compatibility

**In-app purchases:** none


### NB Auction

[App page](https://appshunter.io/ios/app/nb-auction/id6444095903)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is 33 AUCTION free?

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

### Is NB Auction free?

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

### Do 33 AUCTION or NB Auction have ads?

Neither 33 AUCTION nor NB Auction shows ads.

### Which is updated more often, 33 AUCTION or NB Auction?

33 AUCTION ships an update every 51 months, and NB Auction every 9 months. Most recently, 33 AUCTION was updated on October 5, 2026 and NB Auction on October 6, 2026.

---

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