# PCalc vs Calcbot 2

The clearest difference is price: Calcbot 2 at Free against PCalc's $9.99. Calcbot 2 also leads on ratings volume (11K vs 770). PCalc's advantage is review sentiment (84% vs 60%). On rating, update cadence, ads and in-app purchases there is nothing between them.

Calcbot 2 is free to download; PCalc costs $9.99 up front. PCalc sells 4 one-off in-app purchases and Calcbot 2 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for PCalc against 4.7 for Calcbot 2. That said, the two scores are not equally well evidenced: Calcbot 2 has 11K ratings behind it against 770, so its average is the more settled of the two. Written reviews are what separate them: 84% of PCalc's written reviews are positive against 60% of Calcbot 2's.

PCalc ships an update every 6 weeks, Calcbot 2 every 2 months. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | PCalc | Calcbot 2 |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [4.7 (770 ratings)](https://appshunter.io/ios/app/pcalc/id284666222/reviews) | [4.7 (11K ratings)](https://appshunter.io/ios/app/calcbot-2/id376694347/reviews) |
| Number of ratings | 770 | **11K** |
| Positive reviews | **83.6% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 81 MB | 16 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch, Vision Pro** | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [TLA Systems Ltd.](https://appshunter.io/developer/284666225) | [Tapbots](https://appshunter.io/developer/293642940) |

## What reviewers say

### PCalc

[App page](https://appshunter.io/ios/app/pcalc/id284666222)

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

**Highlights:** Optional RPN mode, Multi-line display, Extensive unit conversions, Paper tape, Multiple undo/redo, Hexadecimal, octal, binary support, Apple Watch app

**Features:** Apple Watch app, iMessage stickers

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |
| Enormous Tip | $9.99 | one-time |


### 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


## Frequently asked questions

### Is PCalc free?

PCalc costs $9.99, and also offers in-app purchases.

### Is Calcbot 2 free?

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

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

PCalc and Calcbot 2 are both rated 4.7 out of 5 on the App Store, from 770 and 11K ratings respectively.

### Do PCalc or Calcbot 2 have ads?

Neither PCalc nor Calcbot 2 shows ads.

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

PCalc ships an update every 6 weeks, and Calcbot 2 every 2 months. Most recently, PCalc was updated on October 15, 2026 and Calcbot 2 on October 16, 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.*