# Calcbot 2 vs Numerical³

The clearest difference is in-app purchases: Numerical³ at none against Calcbot 2's 1. Numerical³ also leads on update cadence (every 2 weeks vs every 2 months) and review sentiment (75% vs 60%). Calcbot 2's advantage is ratings volume (11K vs 1.3K) and iOS requirement (15.0 vs 18.0). On price, rating, ads and device support there is nothing between them.

Both are free to download. Calcbot 2 sells 1 one-off in-app purchase. Numerical³ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Calcbot 2 against 4.8 for Numerical³. That said, the two scores are not equally well evidenced: Calcbot 2 has 11K ratings behind it against 1.3K, so its average is the more settled of the two. Written reviews are what separate them: 60% of Calcbot 2's written reviews are positive against 75% of Numerical³'s.

Calcbot 2 ships an update every 2 months, Numerical³ every 2 weeks. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Calcbot 2 | Numerical³ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (11K ratings)](https://appshunter.io/ios/app/calcbot-2/id376694347/reviews) | **[4.8 (1.3K ratings)](https://appshunter.io/ios/app/numerical/id804548449/reviews)** |
| Number of ratings | **11K** | 1.3K |
| Positive reviews | 60.1% of reviews | **75.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 15 MB | 113 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Tapbots](https://appshunter.io/developer/293642940) | [Andrew J Clark](https://appshunter.io/developer/804548452) |

## What reviewers say

### Calcbot 2

[App page](https://appshunter.io/ios/app/calcbot-2/id376694347)

This app offers a smart calculator with a history tape and expression view to track your calculations. It includes over 500 unit conversions and scientific functions, with an Apple Watch extension for on-the-go use.

**Highlights:** History tape for saved calculations, Expression view for typed input, Over 500 unit conversions, Apple Watch extension, Scientific functions in landscape, Favorites for instant access

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calcbot Pro | $1.99 | one-time |

**What reviewers like**

- 💻 Flexible calculator & conversions
- 📝 Comprehensive history tape
- 🎨 Customizable themes and icons
- ⌚️ Apple Watch app
- 🔢 Supports advanced calculations

**What reviewers complain about**

- ⚠️ Lack of updates and support
- 🚫 Removing free features behind paywall
- 🐞 Bugs and glitches (history tape issues, crashing)
- 🕰️ Slow loading times
- 🤔 Unintuitive interface for conversions

**Reported bugs**

- History tape not recording all calculations
- Conversion settings not syncing to Apple Watch
- App crashing on launch for some users
- Blank app icons after iOS updates

**Requested features**

- Dark mode option
- Widgets for quick access
- More currency and unit conversions
- Improved Apple Watch integration
- Ability to edit calculations in history tape


### Numerical³

[App page](https://appshunter.io/ios/app/numerical/id804548449)

A powerful and beautifully designed calculator app that offers advanced scientific functions, automatic bracket handling, and a unique no-equals button interface. It integrates seamlessly with iOS features like widgets and keyboards for calculations anywhere.

**Highlights:** No equals button interface, Automatic bracket handling, Full scientific keypad, Today Widget integration, Numerical² Keyboard for any app, Equation editing, Customizable themes

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Great app
- 👍 Simple and intuitive
- 👍 Clean and beautiful design
- 🚀 Fast and responsive
- 👍 Customizable themes

**What reviewers complain about**

- 🐛 Bugs and glitches (unresponsive keys, calculation errors)
- 🔍 Lack of advanced functions (scientific, unit conversion)
- 💡 Needs more theme options
- 💡 Needs iPad support
- 💡 Needs widget support

**Reported bugs**

- Unresponsive keys
- Calculation errors
- Crashes on startup

**Requested features**

- Add scientific functions (square root, trigonometry, etc.)
- Implement an equals button
- Add more theme options
- Develop an iPad version
- Bring back widget support


## Frequently asked questions

### Is Calcbot 2 free?

Calcbot 2 is free to download, with in-app purchases available.

### Is Numerical³ free?

Numerical³ is free to download, with no in-app purchases.

### Which has better reviews, Calcbot 2 or Numerical³?

Numerical³ is rated higher. Calcbot 2 averages 4.7 out of 5 from 11K ratings, while Numerical³ averages 4.8 from 1.3K ratings.

### Do Calcbot 2 or Numerical³ have ads?

Neither Calcbot 2 nor Numerical³ shows ads.

### Which is updated more often, Calcbot 2 or Numerical³?

Calcbot 2 ships an update every 2 months, and Numerical³ every 2 weeks. Most recently, Calcbot 2 was updated on September 30, 2026 and Numerical³ 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.*