# REAL AUTHENTICATION vs GLOBAL BIDDING SYSTEM

The clearest difference is update cadence: GLOBAL BIDDING SYSTEM at monthly against REAL AUTHENTICATION's every 2 months. 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.

REAL AUTHENTICATION ships an update every 2 months, GLOBAL BIDDING SYSTEM monthly. The most recent releases landed on October 14, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | REAL AUTHENTICATION | GLOBAL BIDDING SYSTEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (46 ratings)](https://appshunter.io/ios/app/real-authentication/id1170927767/reviews)** | — |
| Number of ratings | **46** | — |
| Positive reviews | 46.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 86 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 17+ |
| Developer | [Real Authentication, Inc](https://appshunter.io/developer/1190149816) | [Aucnet Inc.](https://appshunter.io/developer/451684427) |

## What reviewers say

### REAL AUTHENTICATION

[App page](https://appshunter.io/ios/app/real-authentication/id1170927767)

Determine the authenticity of luxury designer goods with expert authentication services. Get certifications, written statements for disputes, and item identification and valuation. Buy and sell with confidence, knowing your items are genuine.

**Highlights:** Authenticity determination (real or fake), Certifications for authentic items, Physical authenticity cards, Written statements for disputes, Item make and model identification, Item valuation

**Features:** macOS Compatibility

**In-app purchases:** none


### GLOBAL BIDDING SYSTEM

[App page](https://appshunter.io/ios/app/global-bidding-system/id6504267313)

**In-app purchases:** none


## Frequently asked questions

### Is REAL AUTHENTICATION free?

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

### Is GLOBAL BIDDING SYSTEM free?

GLOBAL BIDDING SYSTEM is free to download, with no in-app purchases.

### Do REAL AUTHENTICATION or GLOBAL BIDDING SYSTEM have ads?

Neither REAL AUTHENTICATION nor GLOBAL BIDDING SYSTEM shows ads.

### Which is updated more often, REAL AUTHENTICATION or GLOBAL BIDDING SYSTEM?

REAL AUTHENTICATION ships an update every 2 months, and GLOBAL BIDDING SYSTEM monthly. Most recently, REAL AUTHENTICATION was updated on October 14, 2026 and GLOBAL BIDDING SYSTEM on October 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.*