# Bookzy App vs SellerFlash

The clearest difference is review sentiment: Bookzy App at 100% against SellerFlash's 50%. SellerFlash's advantage is update cadence (weekly vs every 3 months) and iOS requirement (13.0 vs 18.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Bookzy App ships an update every 3 months, SellerFlash weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Bookzy App | SellerFlash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (28 ratings)](https://appshunter.io/ios/app/bookzy-app/id1610166502/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 80 MB | 30 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Levent Ozturk](https://appshunter.io/developer/1610166505) | [SELLERFLASH LLC](https://appshunter.io/developer/1813191339) |

## What reviewers say

### Bookzy App

[App page](https://appshunter.io/ios/app/bookzy-app/id1610166502)

This app helps Amazon sellers scout books by automating the process with customizable triggers. It integrates with Amazon Seller Central to provide insights on inventory, past sales, and estimated profits. Make informed purchasing decisions with data on sales rank, sold days, and average buy box prices.

**Highlights:** Automated book scouting with customizable triggers, Amazon Seller Central integration, Sales Rank and Sold Days data, Average Buy Box Price tracking, Offline database for scanning, Barcode and OCR scanning support

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

**In-app purchases:** none


### SellerFlash

[App page](https://appshunter.io/ios/app/sellerflash/id6745620480)

This app synchronizes inventory in real-time with suppliers, monitors product changes, and provides profit analytics. It offers smart alerts for stock and price changes, along with a mobile dashboard for on-the-go performance tracking.

**Highlights:** Real-time inventory synchronization, ASIN monitoring, Profit analytics, Smart alerts, Mobile dashboard

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

**In-app purchases:** none


## Frequently asked questions

### Is Bookzy App free?

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

### Is SellerFlash free?

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

### Do Bookzy App or SellerFlash have ads?

Neither Bookzy App nor SellerFlash shows ads.

### Which is updated more often, Bookzy App or SellerFlash?

Bookzy App ships an update every 3 months, and SellerFlash weekly. Most recently, Bookzy App was updated on November 3, 2026 and SellerFlash on October 30, 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.*