# Grindcalculator vs i PixScan

The clearest difference is price: i PixScan at Free against Grindcalculator's $6.99. i PixScan also leads on iOS requirement (15.6 vs 26.0). Grindcalculator's advantage is ads (none vs shown) and update cadence (every 4 days vs every 3 weeks). On in-app purchases and device support there is nothing between them.

i PixScan is free to download; Grindcalculator costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Grindcalculator ships an update every 4 days, i PixScan every 3 weeks. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Grindcalculator | i PixScan |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/grindcalculator/id1660469778/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 9 MB | 7 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [RoWo UG](https://appshunter.io/developer/1660469780) | [Hardik Changela](https://appshunter.io/developer/1701807458) |

## What reviewers say

### Grindcalculator

[App page](https://appshunter.io/ios/app/grindcalculator/id1660469778)

This tool simplifies knife sharpening by calculating the correct angle, eliminating the need for manual marking. Save custom sharpening angles and grinding wheel dimensions for consistent results across various brands and types of sharpening tools.

**Highlights:** Precise angle calculation, Eliminates manual marking, Save custom angles, Save grinding wheel dimensions, Supports all grinder brands, Offline functionality

**In-app purchases:** none


### i PixScan

[App page](https://appshunter.io/ios/app/i-pixscan/id6744011062)

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

**In-app purchases:** none


## Frequently asked questions

### Is Grindcalculator free?

Grindcalculator costs $6.99, with no in-app purchases.

### Is i PixScan free?

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

### Do Grindcalculator or i PixScan have ads?

i PixScan shows ads; Grindcalculator does not.

### Which is updated more often, Grindcalculator or i PixScan?

Grindcalculator ships an update every 4 days, and i PixScan every 3 weeks. Most recently, Grindcalculator was updated on September 19, 2026 and i PixScan on September 13, 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.*