# Pixelerr vs SciCalc

The clearest difference is in-app purchases: Pixelerr at none against SciCalc's 2. Pixelerr also leads on ads (none vs shown). SciCalc's advantage is update cadence (weekly vs every 13 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. SciCalc sells 2 in-app purchases, starting at $1.99 per month. Pixelerr asks for nothing beyond the download.

Pixelerr ships an update every 13 months, SciCalc weekly. The most recent releases landed on September 9, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Pixelerr | SciCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Weekly** |
| Size | 27 MB | 12 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pioneer Lighting Solutions LLC](https://appshunter.io/developer/1704663850) | [Matthew Wong](https://appshunter.io/developer/6774040057) |

## What reviewers say

### Pixelerr

[App page](https://appshunter.io/ios/app/pixelerr/id6463634363)

**Features:** macOS Compatibility

**In-app purchases:** none


### SciCalc

[App page](https://appshunter.io/ios/app/scicalc-graphing-calculator/id6774040055)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SciCalc Pro Monthly | $1.99 | per month |
| SciCalc Pro Annual | $9.99 | per year |


## Frequently asked questions

### Is Pixelerr free?

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

### Is SciCalc free?

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

### Do Pixelerr or SciCalc have ads?

SciCalc shows ads; Pixelerr does not.

### Which is updated more often, Pixelerr or SciCalc?

Pixelerr ships an update every 13 months, and SciCalc weekly. Most recently, Pixelerr was updated on September 9, 2026 and SciCalc on August 23, 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.*