# EstateSales.Bid Admin vs Booksr

The clearest difference is update cadence: Booksr at every 9 days against EstateSales.Bid Admin's every 3 months. EstateSales.Bid Admin's advantage is iOS requirement (12.0 vs 16.4). 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.

EstateSales.Bid Admin ships an update every 3 months, Booksr every 9 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EstateSales.Bid Admin | Booksr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/booksr/id6786133459/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 36 MB | 84 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zero Molecule d.o.o.](https://appshunter.io/developer/1339329339) | [Recep Taylanhan](https://appshunter.io/developer/1851785611) |

## What reviewers say

### EstateSales.Bid Admin

[App page](https://appshunter.io/ios/app/estatesalesbid-admin/id6446372250)

**Features:** macOS Compatibility

**In-app purchases:** none


### Booksr

[App page](https://appshunter.io/ios/app/booksr/id6786133459)

This app transforms your phone into a powerful book scanner for Amazon sellers. Quickly scan ISBNs or book covers to get instant pricing, sales rank, and profit calculations. It helps you make informed buying decisions for reselling books.

**Highlights:** ISBN and barcode scanning, Cover scanning for title recognition, Live Amazon pricing (new and used), Sales rank and sales score, FBA/FBM profit calculator, Restriction checks, Seller dashboard

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

**In-app purchases:** none


## Frequently asked questions

### Is EstateSales.Bid Admin free?

EstateSales.Bid Admin is free to download, with no in-app purchases.

### Is Booksr free?

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

### Do EstateSales.Bid Admin or Booksr have ads?

Neither EstateSales.Bid Admin nor Booksr shows ads.

### Which is updated more often, EstateSales.Bid Admin or Booksr?

EstateSales.Bid Admin ships an update every 3 months, and Booksr every 9 days. Most recently, EstateSales.Bid Admin was updated on November 3, 2026 and Booksr on October 31, 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.*