# Calculi vs Basic Calculator.

The clearest difference is ads: Calculi at none against Basic Calculator.'s shown. Basic Calculator.'s advantage is rating (4.7 vs 4.4) and update cadence (every 2 weeks vs every 2 months). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Calculi sells 4 in-app purchases, starting at $2.99 per year and Basic Calculator. sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Basic Calculator. holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 374 and 147 respectively.

Calculi ships an update every 2 months, Basic Calculator. every 2 weeks. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Calculi | Basic Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (374 ratings)](https://appshunter.io/ios/app/calculi-scientific-calculator/id452182503/reviews) | **[4.7 (147 ratings)](https://appshunter.io/ios/app/basic-calculator/id6447476116/reviews)** |
| Number of ratings | **374** | 147 |
| Positive reviews | 35.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 43 MB | 69 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | **iPhone, iPad, Apple TV, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michael Natole, Jr.](https://appshunter.io/developer/443621043) | [Edison Largo](https://appshunter.io/developer/978541799) |

## What reviewers say

### Calculi

[App page](https://appshunter.io/ios/app/calculi-scientific-calculator/id452182503)

A smart and powerful calculator designed for ease of use, offering advanced scientific functions, unit and currency conversion, and a supercharged history tape. It adapts to various devices and supports external keyboards for enhanced functionality.

**Highlights:** Complex expression solving, Unit conversion (17 categories), Currency conversion (30+ currencies), Scientific constants, Supercharged history tape, iMessage app integration, Apple Watch app

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculi Pro | $2.99 | per year |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |

**What reviewers like**

- 👍 Better than stock iPhone calculator
- 📈 History screen with past answers/expressions
- 🔄 Regular helpful updates
- ⌨️ Works with keyboard
- 🗂️ Works in Split Screen

**What reviewers complain about**

- ⚠️ Pop-up rating requests
- 💸 Added ads in updates
- 🎛️ Clutter of unused keys on iPad
- 🐛 Buggy history feature
- 💥 Crashes during multiplication

**Reported bugs**

- Calculation not appearing in history until app restart
- New calculation replaces previous in history tile
- Crashes when multiplying by 1.03
- Physical iPad keyboard not recognized
- App crashes/closes on iPad iOS 13

**Requested features**

- Option for Dark Mode all the time
- Option to choose icons
- Fix Slide Over functionality


### Basic Calculator.

[App page](https://appshunter.io/ios/app/basic-calculator/id6447476116)

A straightforward and user-friendly calculator app designed for quick calculations. It features a display log, a backspace key for corrections, and supports both decimal points and commas.

**Highlights:** Display log for calculations, Backspace key for corrections, Decimal point and comma support, Designed for quick calculations, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is Calculi free?

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

### Is Basic Calculator. free?

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

### Which has better reviews, Calculi or Basic Calculator.?

Basic Calculator. is rated higher. Calculi averages 4.4 out of 5 from 374 ratings, while Basic Calculator. averages 4.7 from 147 ratings.

### Do Calculi or Basic Calculator. have ads?

Basic Calculator. shows ads; Calculi does not.

### Which is updated more often, Calculi or Basic Calculator.?

Calculi ships an update every 2 months, and Basic Calculator. every 2 weeks. Most recently, Calculi was updated on October 14, 2026 and Basic Calculator. on October 1, 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.*