# Haseba Calculator vs Big Button Calculator Pro

The clearest difference is price: Haseba Calculator at Free against Big Button Calculator Pro's $9.99. Haseba Calculator also leads on ratings volume (3.8K vs 477). Big Button Calculator Pro's advantage is in-app purchases (none vs 7) and rating (4.9 vs 4.6). On review sentiment, update cadence, ads and device support there is nothing between them.

Haseba Calculator is free to download; Big Button Calculator Pro costs $9.99 up front. Haseba Calculator sells 7 in-app purchases, starting at $0.99 per 7 days. Big Button Calculator Pro asks for nothing beyond the download.

Big Button Calculator Pro holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Haseba Calculator has 3.8K ratings behind it against 477, so its average is the more settled of the two. Written reviews split almost evenly too, at 78% and 79% positive.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Haseba Calculator | Big Button Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [4.6 (3.8K ratings)](https://appshunter.io/ios/app/haseba-calculator/id1121281655/reviews) | **[4.9 (477 ratings)](https://appshunter.io/ios/app/big-button-calculator-pro/id1131056963/reviews)** |
| Number of ratings | **3.8K** | 477 |
| Positive reviews | 78.1% of reviews | **78.6% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 25 MB | 27 MB |
| Requires iOS | 17.0 | **15.2** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Almazeedi](https://appshunter.io/developer/1121281654) | [Cider Software LLC](https://appshunter.io/developer/465180756) |

## What reviewers say

### Haseba Calculator

[App page](https://appshunter.io/ios/app/haseba-calculator/id1121281655)

This app offers a user-friendly calculator with both basic and scientific functions. It features a clean interface, voice input, and convenient history tracking. Advanced options include memory slots for storing values and applying operations to them.

**Highlights:** Scientific calculator, Voice calculator, Calculation history, Copy and paste functionality, Dynamic themes, Memory slots with operations

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Voice Mode | $0.99 | per 7 days |
| Haseba Voice Mode | $2.99 | per month |
| Haseba Voice Mode | $19.99 | per year |
| Unlock Themes & Icons | $0.99 | one-time |
| HasebaPro | $2.99 | one-time |
| HasebaPro | $3.99 | one-time |
| HasebaPro | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive
- 🚀 Fast and responsive
- 🔒 No ads or trackers
- 💎 Beautiful and customizable design
- 🧮 Useful calculator features

**What reviewers complain about**

- 💰 Some features locked behind paywall
- 🐛 Occasional bugs and crashes
- 🔍 Difficult to find due to non-intuitive name

**Reported bugs**

- Calculation errors with certain inputs
- Inability to edit or copy results

**Requested features**

- Add history and editing capabilities
- Support for hardware keyboard
- Improve percentage calculation accuracy


### Big Button Calculator Pro

[App page](https://appshunter.io/ios/app/big-button-calculator-pro/id1131056963)

A user-friendly calculator app featuring large, colorful buttons and a dual-line display for simultaneous input and result viewing. It supports long equations, offers customizable themes and sounds, and includes accessibility features.

**Highlights:** Dual-line display, Big buttons, 18 color themes, Multi-line input, Gesture controls, VoiceOver accessibility

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Haseba Calculator free?

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

### Is Big Button Calculator Pro free?

Big Button Calculator Pro costs $9.99, with no in-app purchases.

### Which has better reviews, Haseba Calculator or Big Button Calculator Pro?

Big Button Calculator Pro is rated higher. Haseba Calculator averages 4.6 out of 5 from 3.8K ratings, while Big Button Calculator Pro averages 4.9 from 477 ratings.

### Do Haseba Calculator or Big Button Calculator Pro have ads?

Neither Haseba Calculator nor Big Button Calculator Pro shows ads.

### Which is updated more often, Haseba Calculator or Big Button Calculator Pro?

Haseba Calculator ships an update every 2 months, and Big Button Calculator Pro every 2 months. Most recently, Haseba Calculator was updated on November 6, 2026 and Big Button Calculator Pro on November 2, 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.*