# Calculator Pro Lite vs RaspIoTzero

The clearest difference is ads: RaspIoTzero at none against Calculator Pro Lite's shown. Calculator Pro Lite's advantage is update cadence (every 2 months vs every 12 months) and iOS requirement (15.2 vs 18.6). On price, in-app purchases and device support there is nothing between them.

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

Calculator Pro Lite ships an update every 2 months, RaspIoTzero every 12 months. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Calculator Pro Lite | RaspIoTzero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (3.1K ratings)](https://appshunter.io/ios/app/calculator-pro-lite/id782873366/reviews)** | — |
| Number of ratings | **3.1K** | — |
| Positive reviews | 78.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Ad-supported | — |
| Size | 43 MB | 0 MB |
| Requires iOS | **15.2** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cider Software LLC](https://appshunter.io/developer/465180756) | [Atsushi Yamada](https://appshunter.io/developer/301497489) |

## What reviewers say

### Calculator Pro Lite

[App page](https://appshunter.io/ios/app/calculator-pro-lite/id782873366)

A highly customizable calculator app offering a modern interface and extensive features. Personalize themes, button layouts, and visual elements. Track your calculations with a detailed history and access scientific functions.

**Highlights:** Customizable themes and colors, Dual-line display, Calculation history, Scientific calculator functions, Adjustable font size, Dark Mode support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Performs calculations quickly
- 📋 Keeps track of calculations
- 🔙 Allows for corrections
- 💡 Customizable background

**What reviewers complain about**

- 💸 Ads can be intrusive
- 🚫 Ads prevent full functionality
- 🔌 High battery consumption due to ads

**Reported bugs**

- App crashes when too many ads are shown
- Ads cover up parts of the calculator interface

**Requested features**

- Dark mode option
- More customization options
- Ability to save/export calculation history


### RaspIoTzero

[App page](https://appshunter.io/ios/app/raspiotzero/id1240696141)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Pro Lite free?

Calculator Pro Lite is free to download, with no in-app purchases.

### Is RaspIoTzero free?

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

### Do Calculator Pro Lite or RaspIoTzero have ads?

Calculator Pro Lite shows ads; RaspIoTzero does not.

### Which is updated more often, Calculator Pro Lite or RaspIoTzero?

Calculator Pro Lite ships an update every 2 months, and RaspIoTzero every 12 months. Most recently, Calculator Pro Lite was updated on October 17, 2026 and RaspIoTzero on October 15, 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.*