# Calculator´ vs Scientific Calculator *

The clearest difference is ads: Calculator´ at none against Scientific Calculator *'s shown. Calculator´ also leads on ratings volume (478 vs 12). Scientific Calculator *'s advantage is update cadence (every 2 weeks vs every 5 weeks) and iOS requirement (12.0 vs 14.0). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Calculator´ sells 4 in-app purchases, starting at $0.49 per year and Scientific Calculator * 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 — 4.6 for Calculator´ against 4.6 for Scientific Calculator *. That said, the two scores are not equally well evidenced: Calculator´ has 478 ratings behind it against 12, so its average is the more settled of the two. Written reviews are what separate them: 70% of Calculator´'s written reviews are positive against 75% of Scientific Calculator *'s.

Calculator´ ships an update every 5 weeks, Scientific Calculator * every 2 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Calculator´ | Scientific Calculator * |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (478 ratings)](https://appshunter.io/ios/app/calculator/id878851717/reviews)** | [4.6 (12 ratings)](https://appshunter.io/ios/app/scientific-calculator/id1537346972/reviews) |
| Number of ratings | **478** | 12 |
| Positive reviews | 70.2% of reviews | **75.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 86 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Oval Software Oy](https://appshunter.io/developer/1438258178) | [TOWER OF HANOI SOFTWARE COMPANY LIMITED](https://appshunter.io/developer/1125320041) |

## What reviewers say

### Calculator´

[App page](https://appshunter.io/ios/app/calculator/id878851717)

This app is a powerful and intelligent calculator with a smart UI and live results. It offers basic, advanced, and scientific functions, a history log, customizable themes, and user-definable functions. It also includes features like an on-screen timer and iPad multitasking support.

**Highlights:** Live results and natural feel UI, User-definable advanced functions, History log with easy access, Customizable themes and colors, On-screen timer, iPad multitasking and Spotlight search

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard features w/ Free Week | $0.49 | per year |
| Standard features w/ Free Year | $0.49 | per year |
| Complete feature-set | $3.99 | per year |
| Converter + Graphing | $3.99 | one-time |

**What reviewers like**

- 👍 Clean and intuitive user interface
- 🚀 Fast and efficient performance
- 📊 Shows calculation progression like paper tape
- 🎨 Customizable appearance and themes
- 📱 Works well as iPhone/iPad replacement for default calculator

**What reviewers complain about**

- 💰 Switched to subscription model from free/one-time purchase
- 😤 Bait-and-switch pricing strategy
- 🔐 Paywall on basic features like clear button
- 📺 Ads and pop-ups introduced
- ⚠️ Removed features after update

**Reported bugs**

- Buttons below numbers 1, 2, 3 not responding
- App crashes when screen fills with numbers
- Numbers deleted backwards after full screen
- Swipe down converter doesn't work properly on iPad
- Pressing equals multiple times adds duplicate results

**Requested features**

- Haptic feedback support
- Fraction calculation support
- RPN mode
- iCloud sync for history
- Automatic parentheses


### Scientific Calculator *

[App page](https://appshunter.io/ios/app/scientific-calculator/id1537346972)

This app offers a comprehensive suite of calculation tools, including basic and advanced math functions, unit conversions, and financial calculators. It also features a history log for easy access to past calculations and allows for customization of themes.

**Highlights:** Basic and complex calculations, Unit and currency converter, Financial calculators (loan, discount), Calculation history log, Customizable themes, Fraction and trigonometric functions

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ad | $4.99 | one-time |


## Frequently asked questions

### Is Calculator´ free?

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

### Is Scientific Calculator * free?

Scientific Calculator * is free to download, with in-app purchases available.

### Which has better reviews, Calculator´ or Scientific Calculator *?

Calculator´ is rated higher. Calculator´ averages 4.6 out of 5 from 478 ratings, while Scientific Calculator * averages 4.6 from 12 ratings.

### Do Calculator´ or Scientific Calculator * have ads?

Scientific Calculator * shows ads; Calculator´ does not.

### Which is updated more often, Calculator´ or Scientific Calculator *?

Calculator´ ships an update every 5 weeks, and Scientific Calculator * every 2 weeks. Most recently, Calculator´ was updated on November 1, 2026 and Scientific Calculator * on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*