# REAL AUTHENTICATION vs CT Auction

The clearest difference is rating: CT Auction at 5.0 against REAL AUTHENTICATION's 2.9. CT Auction also leads on monetization model (free vs free with in-app purchases) and update cadence (every 2 weeks vs every 2 months). REAL AUTHENTICATION's advantage is ratings volume (46 vs 1). 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.

CT Auction holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: REAL AUTHENTICATION has 46 ratings behind it against 1, so its average is the more settled of the two.

REAL AUTHENTICATION ships an update every 2 months, CT Auction every 2 weeks. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | REAL AUTHENTICATION | CT Auction |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (46 ratings)](https://appshunter.io/ios/app/real-authentication/id1170927767/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ct-auction/id1525686514/reviews)** |
| Number of ratings | **46** | 1 |
| Positive reviews | 46.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 73 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Real Authentication, Inc](https://appshunter.io/developer/1190149816) | [株式会社Mr.circulate](https://appshunter.io/developer/1253939688) |

## 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


### CT Auction

[App page](https://appshunter.io/ios/app/ct-auction/id1525686514)

Access Japan's exclusive pre-owned luxury market. Source rare, authenticated items from trusted dealers with real-time B2B pricing and secure transactions.

**Highlights:** Access Japan's pre-owned luxury market, Discover rare and curated items, Source from trusted Japanese dealers, Real-time B2B market prices, Authenticated items, Secure transactions

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

**In-app purchases:** none


## Frequently asked questions

### Is REAL AUTHENTICATION free?

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

### Is CT Auction free?

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

### Which has better reviews, REAL AUTHENTICATION or CT Auction?

CT Auction is rated higher. REAL AUTHENTICATION averages 2.9 out of 5 from 46 ratings, while CT Auction averages 5.0 from 1 ratings.

### Do REAL AUTHENTICATION or CT Auction have ads?

Neither REAL AUTHENTICATION nor CT Auction shows ads.

### Which is updated more often, REAL AUTHENTICATION or CT Auction?

REAL AUTHENTICATION ships an update every 2 months, and CT Auction every 2 weeks. Most recently, REAL AUTHENTICATION was updated on October 10, 2026 and CT Auction on October 5, 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.*