# Prof Pref vs SlavaShelf

The clearest difference is in-app purchases: Prof Pref at none against SlavaShelf's 9. SlavaShelf's advantage is update cadence (every 5 days vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SlavaShelf sells 9 in-app purchases, starting at $4.99 per month. Prof Pref asks for nothing beyond the download.

Prof Pref ships an update every 6 months, SlavaShelf every 5 days. The most recent releases landed on September 7, 2026 and August 22, 2026 respectively.

## The numbers

| Metric | Prof Pref | SlavaShelf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/slavashelf-fast-inventory/id6755921721/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 97 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vitaly Kulagin](https://appshunter.io/developer/1524623012) | [Sviatoslav Luchka](https://appshunter.io/developer/1852132946) |

## What reviewers say

### Prof Pref

[App page](https://appshunter.io/ios/app/prof-pref/id1662598113)

**Features:** macOS Compatibility

**In-app purchases:** none


### SlavaShelf

[App page](https://appshunter.io/ios/app/slavashelf-fast-inventory/id6755921721)

Streamline your product inventory and sales process. Capture item details with photos, use AI to generate listings, and publish directly to marketplaces. Track stock, monitor performance, and export data for bookkeeping.

**Highlights:** AI-assisted listing generation, Multi-photo item capture, Marketplace listing integration, Customizable inventory statuses, Performance analytics, Data export for bookkeeping, Team collaboration features

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Subscription | $4.99 | per month |
| Advanced Subscription | $14.99 | per month |
| Power Subscription | $24.99 | per month |
| Elite Subscription | $49.99 | per month |
| Pro Unlimited Subscription | $99.99 | per month |
| Limit Reset | $14.99 | one-time |
| Limit Reset | $34.99 | one-time |
| Limit Reset | $54.99 | one-time |
| Limit Reset | $119.99 | one-time |


## Frequently asked questions

### Is Prof Pref free?

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

### Is SlavaShelf free?

SlavaShelf is free to download, with in-app purchases available.

### Do Prof Pref or SlavaShelf have ads?

Neither Prof Pref nor SlavaShelf shows ads.

### Which is updated more often, Prof Pref or SlavaShelf?

Prof Pref ships an update every 6 months, and SlavaShelf every 5 days. Most recently, Prof Pref was updated on September 7, 2026 and SlavaShelf on August 22, 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.*