# Panecal Scientific Calculator vs Act Timer

The clearest difference is in-app purchases: Panecal Scientific Calculator at none against Act Timer's 2. Panecal Scientific Calculator also leads on iOS requirement (12.0 vs 26.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Act Timer sells 2 one-off in-app purchases. Panecal Scientific Calculator asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Panecal Scientific Calculator | Act Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2K ratings)](https://appshunter.io/ios/app/panecal-scientific-calculator/id668500803/reviews)** | — |
| Number of ratings | **2K** | — |
| Positive reviews | 75.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 34 MB | 5 MB |
| Requires iOS | **12.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Noriyasu Kutsuzawa](https://appshunter.io/developer/668500806) | [O2Cafe](https://appshunter.io/developer/1810468263) |

## What reviewers say

### Panecal Scientific Calculator

[App page](https://appshunter.io/ios/app/panecal-scientific-calculator/id668500803)

This app functions as a scientific calculator, enabling users to input and edit complex formulas with ease. It supports formula history, variable memory, and various number system conversions for accurate calculations.

**Highlights:** Formula editing with cursor and swipe, Reuse past formulas, Variable memory for calculations, Binary, octal, decimal, hexadecimal conversion, M+/M- memory functions, Angle unit settings (DEG, RAD, GRAD)

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Great button layout
- 👍 Intuitive and user-friendly
- 👍 Powerful scientific functions
- 👍 Convenient display and history
- 👍 Useful for various fields (construction, engineering, etc.)

**What reviewers complain about**

- 🐛 Calculation errors in some cases
- 🐛 Glitches and crashes reported
- 🔍 Lack of engineering prefixes
- 📺 Ads can be intrusive
- 🔍 Suboptimal button placement and sizing

**Reported bugs**

- Inability to switch back from Bin mode
- Calculation history not scrolling properly
- Inconsistent behavior with certain operations

**Requested features**

- Unit conversion tools
- Customizable font and icon
- Ability to rotate screen
- More advanced programming features
- Improved order of operations handling


### Act Timer

[App page](https://appshunter.io/ios/app/act-timer-no-countdown/id6778616046)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full History | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Panecal Scientific Calculator free?

Panecal Scientific Calculator is free to download, with no in-app purchases.

### Is Act Timer free?

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

### Do Panecal Scientific Calculator or Act Timer have ads?

Both Panecal Scientific Calculator and Act Timer show ads.

### Which is updated more often, Panecal Scientific Calculator or Act Timer?

Panecal Scientific Calculator ships an update every 2 months, and Act Timer every 2 months. Most recently, Panecal Scientific Calculator was updated on November 11, 2026 and Act Timer on November 5, 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.*