# Gratka vs Knife Sharpening Log & Timer

The clearest difference is in-app purchases: Gratka at none against Knife Sharpening Log & Timer's 3. Gratka also leads on update cadence (every 3 weeks vs every 5 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Knife Sharpening Log & Timer sells 3 in-app purchases, starting at $2.99 per 7 days. Gratka asks for nothing beyond the download.

Gratka ships an update every 3 weeks, Knife Sharpening Log & Timer every 5 months. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Gratka | Knife Sharpening Log & Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (21 ratings)](https://appshunter.io/ios/app/gratka/id651345869/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 93 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Grupa Morizon-Gratka Sp. z o.o.](https://appshunter.io/developer/1750020285) | [Linh Phan Nhat Khanh](https://appshunter.io/developer/1777727575) |

## What reviewers say

### Gratka

[App page](https://appshunter.io/ios/app/gratka/id651345869)

Easily search for apartments, houses, plots, and commercial properties for sale or rent across Poland. Save your favorite listings and review your search history to simplify your property hunt.

**Highlights:** Filter by property type and offer type, Search by city, district, or address, Map-based property search, Save favorite offers, View search history, Add property listings

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

**In-app purchases:** none


### Knife Sharpening Log & Timer

[App page](https://appshunter.io/ios/app/knife-sharpening-log-and-timer/id6771845696)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grit Progression Planner | $2.99 | per 7 days |
| Bevel Angle Tracker | $14.99 | per year |
| Blade Maintenance Reminders | $29.99 | one-time |


## Frequently asked questions

### Is Gratka free?

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

### Is Knife Sharpening Log & Timer free?

Knife Sharpening Log & Timer is free to download, with in-app purchases available.

### Do Gratka or Knife Sharpening Log & Timer have ads?

Neither Gratka nor Knife Sharpening Log & Timer shows ads.

### Which is updated more often, Gratka or Knife Sharpening Log & Timer?

Gratka ships an update every 3 weeks, and Knife Sharpening Log & Timer every 5 months. Most recently, Gratka was updated on November 6, 2026 and Knife Sharpening Log & Timer on November 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.*