# Cal C vs NotePocket

The clearest difference is ads: Cal C at none against NotePocket's shown. Cal C also leads on update cadence (every 10 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cal C ships an update every 10 days, NotePocket every 3 weeks. The most recent releases landed on September 11, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Cal C | NotePocket |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Size | 31 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pinki .](https://appshunter.io/developer/1863734565) | [兵瑞 陈](https://appshunter.io/developer/1886012556) |

## What reviewers say

### Cal C

[App page](https://appshunter.io/ios/app/cal-c-scientific-calculator/id6760196537)

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

**In-app purchases:** none


### NotePocket

[App page](https://appshunter.io/ios/app/notepocket/id6769583567)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cal C free?

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

### Is NotePocket free?

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

### Do Cal C or NotePocket have ads?

NotePocket shows ads; Cal C does not.

### Which is updated more often, Cal C or NotePocket?

Cal C ships an update every 10 days, and NotePocket every 3 weeks. Most recently, Cal C was updated on September 11, 2026 and NotePocket on September 12, 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.*