# AuctionZip vs Bidnaa

The clearest difference is review sentiment: Bidnaa at 100% against AuctionZip's 24%. Bidnaa also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). AuctionZip's advantage is ratings volume (670 vs 2) and iOS requirement (12.0 vs 15.6). On price, 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.

Bidnaa holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: AuctionZip has 670 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 24% of AuctionZip's written reviews are positive against 100% of Bidnaa's.

AuctionZip ships an update every 2 months, Bidnaa every 3 weeks. The most recent releases landed on October 18, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | AuctionZip | Bidnaa |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (670 ratings)](https://appshunter.io/ios/app/auctionzip/id1412843982/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bidnaa/id1491291634/reviews)** |
| Number of ratings | **670** | 2 |
| Positive reviews | 24.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 53 MB | 49 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Invaluable LLC](https://appshunter.io/developer/340245012) | [Bidnaa, LLC](https://appshunter.io/developer/1491291633) |

## What reviewers say

### AuctionZip

[App page](https://appshunter.io/ios/app/auctionzip/id1412843982)

Discover local auctions nationwide or bid live on unique items from your mobile device. This platform connects you with thousands of auctioneers and a vast weekly inventory, making it easy to find treasures from cars to collectibles.

**Highlights:** Discover local and nationwide auctions, Bid live on items in real-time, Search by date, category, keyword, or zip code, Personalized item recommendations, Track bids and manage your account, Browse diverse auction categories

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use and intuitive interface
- 🎯 Good for finding local auctions across the country
- 📱 Convenient mobile access to auction information
- 🏆 Comprehensive auction listings and descriptions
- ⭐ Great resource for sports card collectors and auction enthusiasts

**What reviewers complain about**

- 🐛 Search functionality doesn't work properly
- 🐛 Photo gallery stuck on first image
- 🐛 Date range filter cannot be changed
- 😤 Misleading auction categorization (online listed as in-person)
- ❌ Missing favorites/bookmarks synchronization with website

**Reported bugs**

- Search function returns irrelevant results outside specified radius
- Photo gallery displays only first image repeatedly
- Date range selector non-functional
- Calendar feature missing or broken
- Login verification page cannot be dismissed

**Requested features**

- Sync favorites/bookmarks from website to app
- Restore calendar view feature
- Search by auction house without requiring keyword
- Search by specific item name
- Swipe feature for photo gallery navigation


### Bidnaa

[App page](https://appshunter.io/ios/app/bidnaa/id1491291634)

A secure platform for buying and selling a wide variety of items across multiple categories. Discover unique products and manage your transactions with ease.

**Highlights:** Secure buying and selling, Multiple item categories, User-friendly interface, Transaction management

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

**In-app purchases:** none


## Frequently asked questions

### Is AuctionZip free?

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

### Is Bidnaa free?

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

### Which has better reviews, AuctionZip or Bidnaa?

Bidnaa is rated higher. AuctionZip averages 4.7 out of 5 from 670 ratings, while Bidnaa averages 5.0 from 2 ratings.

### Do AuctionZip or Bidnaa have ads?

AuctionZip shows ads; Bidnaa does not.

### Which is updated more often, AuctionZip or Bidnaa?

AuctionZip ships an update every 2 months, and Bidnaa every 3 weeks. Most recently, AuctionZip was updated on October 18, 2026 and Bidnaa on October 20, 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.*