# Calculator₊ vs FP Scientific&Basic Calculator

The clearest difference is in-app purchases: FP Scientific&Basic Calculator at none against Calculator₊'s 13. FP Scientific&Basic Calculator also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). Calculator₊'s advantage is ratings volume (1.7M vs 657) and chart position (#87 vs unranked). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Calculator₊ sells 12 in-app purchases, starting at $0.99 per month. FP Scientific&Basic Calculator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Calculator₊ against 4.6 for FP Scientific&Basic Calculator. That said, the two scores are not equally well evidenced: Calculator₊ has 1.7M ratings behind it against 657, so its average is the more settled of the two. Written reviews are what separate them: 63% of Calculator₊'s written reviews are positive against 69% of FP Scientific&Basic Calculator's.

Calculator₊ ships an update fortnightly, FP Scientific&Basic Calculator every 2 weeks. The most recent releases landed on September 25, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Calculator₊ | FP Scientific&Basic Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.7M ratings)](https://appshunter.io/ios/app/calculator/id398129933/reviews)** | [4.6 (657 ratings)](https://appshunter.io/ios/app/fp-scientific-and-basic-calculator/id1556021625/reviews) |
| Number of ratings | **1.7M** | 657 |
| Positive reviews | 63.2% of reviews | **68.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#87** | — |
| Size | 237 MB | 92 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Impala Studios](https://appshunter.io/developer/1063279743) | [Ofly Tech Co., Ltd.](https://appshunter.io/developer/1556021627) |

## What reviewers say

### Calculator₊

[App page](https://appshunter.io/ios/app/calculator/id398129933)

**Currently charting:** #87 Top Grossing · Utilities (US App Store)

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

**Highlights:** Basic and scientific calculations, Unit and currency converter, AI-powered math solver with photo recognition, Math notes with instant solutions, Calculation history log, Accessibility features

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Member Special Offer | $0.99 | per month |
| Monthly Premium Member | $0.99 | per month |
| 1 Month Premium Access | $1.49 | per month |
| Unlimited Math Calculations | $3.99 | per 6 months |
| Half-Yearly Premium Member | $3.99 | per 6 months |
| Calculate Faster, AI, & No Ads | $4.99 | per 7 days |
| 1 Year Ad-Free | $5.99 | per year |
| Calculate Faster, AI, & No Ads | $5.99 | per 7 days |
| 1 Month Premium Trial | $5.99 | per 7 days |
| Math Solver/Full Access/No Ads | $5.99 | per 7 days |
| 6 Months Premium Access | $8.99 | per 6 months |
| Smart Currency & Fraction Calc | $14.99 | per year |

**What reviewers like**

- 💻 Useful calculator features
- 🎨 Customizable backgrounds and themes
- 📚 Helpful history tracking

**What reviewers complain about**

- 📺 Intrusive full-screen ads
- 💰 Expensive subscription model
- 🔍 Ads blocking calculator functionality

**Reported bugs**

- Incorrect calculation results for certain functions
- Inability to delete last entered digit without clearing entire calculation

**Requested features**

- Ability to delete individual calculation history entries
- More free advanced calculator features (fractions, currency, etc.)
- Improved ad placement that doesn't interfere with usage


### 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


## Frequently asked questions

### Is Calculator₊ free?

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

### Is FP Scientific&Basic Calculator free?

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

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

Calculator₊ is rated higher. Calculator₊ averages 4.7 out of 5 from 1.7M ratings, while FP Scientific&Basic Calculator averages 4.6 from 657 ratings.

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

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

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

Calculator₊ ships an update fortnightly, and FP Scientific&Basic Calculator every 2 weeks. Most recently, Calculator₊ was updated on September 25, 2026 and FP Scientific&Basic Calculator on September 14, 2026.

---

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