# Panecal Scientific Calculator vs SolveTime

The clearest difference is in-app purchases: Panecal Scientific Calculator at none against SolveTime's 1. Panecal Scientific Calculator also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). SolveTime's advantage is ads (none vs shown) and update cadence (weekly vs every 2 months). On price there is nothing between them.

Both are free to download. SolveTime sells 1 one-off in-app purchase. Panecal Scientific Calculator asks for nothing beyond the download.

Panecal Scientific Calculator ships an update every 2 months, SolveTime weekly. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Panecal Scientific Calculator | SolveTime |
| --- | --- | --- |
| 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 | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 34 MB | 1 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Noriyasu Kutsuzawa](https://appshunter.io/developer/668500806) | [Yoshifumi Sato](https://appshunter.io/developer/6780413827) |

## 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


### SolveTime

[App page](https://appshunter.io/ios/app/solvetime-speedcube-timer/id6794981431)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SolveTime Unlimited | $2.99 | one-time |


## Frequently asked questions

### Is Panecal Scientific Calculator free?

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

### Is SolveTime free?

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

### Do Panecal Scientific Calculator or SolveTime have ads?

Panecal Scientific Calculator shows ads; SolveTime does not.

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

Panecal Scientific Calculator ships an update every 2 months, and SolveTime weekly. Most recently, Panecal Scientific Calculator was updated on November 11, 2026 and SolveTime on November 10, 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.*