# FP Scientific&Basic Calculator vs Calculator ⁺⁻

The clearest difference is ads: FP Scientific&Basic Calculator at none against Calculator ⁺⁻'s shown. FP Scientific&Basic Calculator also leads on update cadence (every 2 weeks vs every 15 months) and review sentiment (69% vs 50%). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for FP Scientific&Basic Calculator against 4.7 for Calculator ⁺⁻. That said, the two scores are not equally well evidenced: FP Scientific&Basic Calculator has 657 ratings behind it against 40, so its average is the more settled of the two. Written reviews are what separate them: 69% of FP Scientific&Basic Calculator's written reviews are positive against 50% of Calculator ⁺⁻'s.

FP Scientific&Basic Calculator ships an update every 2 weeks, Calculator ⁺⁻ every 15 months. The most recent releases landed on October 17, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | FP Scientific&Basic Calculator | Calculator ⁺⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (657 ratings)](https://appshunter.io/ios/app/fp-scientific-and-basic-calculator/id1556021625/reviews) | **[4.7 (40 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews)** |
| Number of ratings | **657** | 40 |
| Positive reviews | **68.9% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Every 15 months |
| Monetization | **Free** | Ad-supported |
| Size | 92 MB | 4 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ofly Tech Co., Ltd.](https://appshunter.io/developer/1556021627) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### FP Scientific&Basic Calculator

[App page](https://appshunter.io/ios/app/fp-scientific-and-basic-calculator/id1556021625)

This app offers a versatile calculator with basic arithmetic, currency, and unit conversion capabilities. It features customizable interfaces, including dark mode, and supports split-screen functionality on iPads. Users can also track calculation history and split bills.

**Highlights:** Basic and arithmetic calculations, Currency conversion (160 currencies), Unit conversion (10 units), Dark and light mode, Split-screen computing, Calculation history, Bill splitting

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

**In-app purchases:** none

**What reviewers like**

- 👍 Excellent app
- 👍 Great calculator
- 👍 User-friendly interface
- 👍 Comprehensive features
- 👍 Convenient currency converter

**What reviewers complain about**

- 🐛 Frozen currency exchange rates
- 🔍 Excessive ads and pop-ups
- ⏱️ Slow app startup
- 🔒 Lack of ad-free purchase option

**Reported bugs**

- Currency converter not working
- Crashes and freezes
- Incompatibility with older devices

**Requested features**

- Add tax calculation feature
- Implement widget support
- Provide more Christmas themes
- Fix currency converter issues


### Calculator ⁺⁻

[App page](https://appshunter.io/ios/app/calculator/id6443813573)

This app offers both basic and scientific calculation functions for iPhone and iPad. Users can customize its appearance, view calculation history, and perform complex equations with high accuracy. It also provides real-time calculation display and adjustable touch feedback.

**Highlights:** Basic and scientific calculator modes, Over 30 scientific operations, Calculation history view, Real-time calculation display, Customizable color themes, Adjustable button touch sound/vibration, High accuracy calculations (75+ significant digits)

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

**In-app purchases:** none


## Frequently asked questions

### Is FP Scientific&Basic Calculator free?

FP Scientific&Basic Calculator is free to download, with no in-app purchases.

### Is Calculator ⁺⁻ free?

Calculator ⁺⁻ is free to download, with no in-app purchases.

### Which has better reviews, FP Scientific&Basic Calculator or Calculator ⁺⁻?

Calculator ⁺⁻ is rated higher. FP Scientific&Basic Calculator averages 4.6 out of 5 from 657 ratings, while Calculator ⁺⁻ averages 4.7 from 40 ratings.

### Do FP Scientific&Basic Calculator or Calculator ⁺⁻ have ads?

Calculator ⁺⁻ shows ads; FP Scientific&Basic Calculator does not.

### Which is updated more often, FP Scientific&Basic Calculator or Calculator ⁺⁻?

FP Scientific&Basic Calculator ships an update every 2 weeks, and Calculator ⁺⁻ every 15 months. Most recently, FP Scientific&Basic Calculator was updated on October 17, 2026 and Calculator ⁺⁻ on October 8, 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.*