# NadirKitap vs Serfa Tools B2B

NadirKitap and Serfa Tools B2B 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.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | NadirKitap | Serfa Tools B2B |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/nadirkitap/id1562308156/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 30.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free | — |
| Size | 43 MB | 30 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NADIRKITAP BILISIM VE REKLAMCILIK](https://appshunter.io/developer/1562308158) | [SERHAT AYKUT](https://appshunter.io/developer/6805662565) |

## What reviewers say

### NadirKitap

[App page](https://appshunter.io/ios/app/nadirkitap/id1562308156)

Discover and purchase rare, out-of-print, and second-hand books, magazines, and collectible items from thousands of trusted sellers. Securely find unique publications and artworks, with advanced search and notification features.

**Highlights:** Rare and second-hand books, Antiquarian publications, Magazines and periodicals, Art and collectible items, Advanced search and filtering, Trusted sellers network, Secure trading system

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

**In-app purchases:** none


### Serfa Tools B2B

[App page](https://appshunter.io/ios/app/serfa-tools-b2b/id6805662563)

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

**In-app purchases:** none


## Frequently asked questions

### Is NadirKitap free?

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

### Is Serfa Tools B2B free?

Serfa Tools B2B is free to download, with no in-app purchases.

### Do NadirKitap or Serfa Tools B2B have ads?

Neither NadirKitap nor Serfa Tools B2B shows ads.

### Which is updated more often, NadirKitap or Serfa Tools B2B?

NadirKitap ships an update every 2 weeks, and Serfa Tools B2B every 2 weeks. Most recently, NadirKitap was updated on October 11, 2026 and Serfa Tools B2B on October 8, 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.*