# PixelCalc vs Sticky Notes

The clearest difference is price: Sticky Notes at Free against PixelCalc's $2.99. PixelCalc's advantage is ads (none vs shown) and update cadence (every 3 months vs every 7 months). On in-app purchases and device support there is nothing between them.

Sticky Notes is free to download; PixelCalc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PixelCalc ships an update every 3 months, Sticky Notes every 7 months. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | PixelCalc | Sticky Notes |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 7 months |
| Monetization | Paid | — |
| Size | 4 MB | 6 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Lullie](https://appshunter.io/developer/370571602) | [Jun Tsuda](https://appshunter.io/developer/1624900893) |

## What reviewers say

### PixelCalc

[App page](https://appshunter.io/ios/app/pixelcalc/id370571599)

This tool helps graphic designers and others convert image dimensions between pixels and inches at various resolutions. It also features a proportional calculator for accurate resizing and reference charts for print sizes and camera settings.

**Highlights:** Pixel to Inch conversion, Inch to Pixel conversion, Resolution adjustment, Proportional calculator for resizing, Print size reference charts, Camera shutter speed chart

**Features:** Vision Pro support

**In-app purchases:** none


### Sticky Notes

[App page](https://appshunter.io/ios/app/sticky-notes-brainstorming/id6758299734)

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

**In-app purchases:** none


## Frequently asked questions

### Is PixelCalc free?

PixelCalc costs $2.99, with no in-app purchases.

### Is Sticky Notes free?

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

### Do PixelCalc or Sticky Notes have ads?

Sticky Notes shows ads; PixelCalc does not.

### Which is updated more often, PixelCalc or Sticky Notes?

PixelCalc ships an update every 3 months, and Sticky Notes every 7 months. Most recently, PixelCalc was updated on October 8, 2026 and Sticky Notes on September 27, 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.*