# Calculator 3.0 vs Calculator Smart

The clearest difference is ads: Calculator 3.0 at none against Calculator Smart's shown. Calculator 3.0 also leads on review sentiment (67% vs 36%) and update cadence (fortnightly vs every 4 months). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Calculator 3.0 sells 3 one-off in-app purchases and Calculator Smart sells 3 one-off in-app purchases. 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 Calculator 3.0 against 4.7 for Calculator Smart. That said, the two scores are not equally well evidenced: Calculator 3.0 has 3.5K ratings behind it against 494, so its average is the more settled of the two. Written reviews are what separate them: 67% of Calculator 3.0's written reviews are positive against 36% of Calculator Smart's.

Calculator 3.0 ships an update fortnightly, Calculator Smart every 4 months. Both last shipped on October 20, 2026.

## The numbers

| Metric | Calculator 3.0 | Calculator Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3.5K ratings)](https://appshunter.io/ios/app/calculator-30/id382376539/reviews) | [4.7 (494 ratings)](https://appshunter.io/ios/app/calculator-smart/id698030968/reviews) |
| Number of ratings | **3.5K** | 494 |
| Positive reviews | **66.7% of reviews** | 36.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 24 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod, Apple TV, Apple Watch | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Spencer Brown](https://appshunter.io/developer/307337672) | [Miroslav Otsedarski](https://appshunter.io/developer/450091139) |

## What reviewers say

### Calculator 3.0

[App page](https://appshunter.io/ios/app/calculator-30/id382376539)

A free, redesigned calculator app offering a simpler, more intuitive experience across Apple devices. Features include customizable themes, advanced scientific functions, and unit conversion, all optimized for various screen sizes and interactions.

**Highlights:** Customizable themes, Scientific calculator, Unit converter, Tip calculator, Tally counter, iPad multitasking support, Apple Watch complications

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| a Nice Tip | $0.99 | one-time |
| a Generous Tip | $2.99 | one-time |
| an Amazing Tip! | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Smooth performance
- 💡 Useful features (tip calculator, unit converter, tally counter)
- 🎨 Customizable colors/themes
- 🔍 Clear and legible display

**What reviewers complain about**

- 🐛 Memory function issues
- 🔊 Loud button click sounds
- 🔍 Cropped display on iPad
- 🔍 Blurry graphics

**Reported bugs**

- Incorrect calculation results
- Landscape mode issues
- Crashes after updates

**Requested features**

- Add memory function indicator
- Allow disabling of button click sounds
- Optimize layout for iPad
- Improve graphics quality


### Calculator Smart

[App page](https://appshunter.io/ios/app/calculator-smart/id698030968)

This app offers a powerful and precise calculator for everyday math and advanced scientific computations. It features a clean interface with large buttons, supporting complex equations, multiple modes, and intuitive input methods. Personalize your experience with colorful skins and custom icons.

**Highlights:** 30+ scientific operations, Degrees and Radians support, Parentheses and nested equations, Intuitive input with slide-to-delete, Copy & Paste results, Apple Watch app and Lock Screen Widget, Colorful skins and custom icons

**Features:** Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Colorful Skins and Remove Ads | $1.99 | one-time |
| Colorful Skins | $1.99 | one-time |
| Colorful Skins for Mac app | $1.99 | one-time |


## Frequently asked questions

### Is Calculator 3.0 free?

Calculator 3.0 is free to download, with in-app purchases available.

### Is Calculator Smart free?

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

### Which has better reviews, Calculator 3.0 or Calculator Smart?

Calculator 3.0 and Calculator Smart are both rated 4.7 out of 5 on the App Store, from 3.5K and 494 ratings respectively.

### Do Calculator 3.0 or Calculator Smart have ads?

Calculator Smart shows ads; Calculator 3.0 does not.

### Which is updated more often, Calculator 3.0 or Calculator Smart?

Calculator 3.0 ships an update fortnightly, and Calculator Smart every 4 months. Most recently, Calculator 3.0 was updated on October 20, 2026 and Calculator Smart on October 20, 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.*