# Calculator + vs FurtherM

The clearest difference is price: Calculator + at Free against FurtherM's $8.99. Calculator + also leads on ratings volume (10K vs 2) and update cadence (every 5 days vs every 3 weeks). FurtherM's advantage is in-app purchases (none vs 10) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Calculator + is free to download; FurtherM costs $8.99 up front. Calculator + sells 10 in-app purchases, starting at $4.99 per month. FurtherM asks for nothing beyond the download.

FurtherM holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Calculator + has 10K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 85% of Calculator +'s written reviews are positive against 100% of FurtherM's.

Calculator + ships an update every 5 days, FurtherM every 3 weeks. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Calculator + | FurtherM |
| --- | --- | --- |
| Price | **Free** | $8.99 |
| Rating | [4.6 (10K ratings)](https://appshunter.io/ios/app/calculator-plus/id351815470/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/furtherm/id1183819494/reviews)** |
| Number of ratings | **10K** | 2 |
| Positive reviews | 84.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 50 MB | 19 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [xNeat.com](https://appshunter.io/developer/327498295) | [祖超 夏](https://appshunter.io/developer/979438836) |

## What reviewers say

### Calculator +

[App page](https://appshunter.io/ios/app/calculator-plus/id351815470)

This app offers a free basic and scientific calculator with an elegant interface. Upgrade for advanced features like graphing, equation solving, and unit conversions. Supports fractions, percentages, and multiple themes.

**Highlights:** Free basic and scientific calculator, Elegant and intuitive interface, Advanced editing and equation display, Fraction and percent support, Graphing and equation solving, Base converter and multiple themes

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scientific Calculator | $4.99 | per month |
| Calculator | $39.99 | per year |
| Linear Calculator | $2.99 | one-time |
| Factoring Calculator | $2.99 | one-time |
| Handwriting Calculator | $2.99 | one-time |
| Graphing Calculator | $3.99 | one-time |
| Fraction Calculator | $3.99 | one-time |
| Scientific Calculator | $4.99 | one-time |
| Calculator Plus | $4.99 | one-time |
| Calculator | $16.99 | one-time |

**What reviewers like**

- 👍 Great features and easy to use
- 👍 Efficient and quick
- 👍 Versatile, functional calculator
- 👍 Fantastic, easy to use app
- 👍 Awesome calculator app

**What reviewers complain about**

- 🐛 New updated layout is awful
- 🐛 App is now terrible
- 🔒 Paying customer screwed over by update
- 🔒 Now timed trial, no free w/ads version
- 🔒 Not honest

**Reported bugs**

- Fraction calculator has TWO subtraction buttons and NO division button
- Decimals seem to be changed to fraction with no apparent way of changing it back
- Functionality is dropped by forcing you to the main menu every time you open it
- Currency converter broken
- Login screen freezes

**Requested features**

- Add mod function
- Add commas
- Add 1/x function
- Support for Retina Display
- Add number 4 with two lines


### FurtherM

[App page](https://appshunter.io/ios/app/furtherm/id1183819494)

Access comprehensive learning materials for the latest Cambridge A-Level Further Mathematics curriculum. Features detailed analysis of knowledge points, problem-solving guidance, practice exercises, study plans, and video lessons. Covers Pure Mathematics, Statistics, and Mechanics according to the latest syllabus.

**Highlights:** Detailed knowledge point analysis, Extensive practice problems, Study plans, Learning videos, Syllabus-aligned exercises

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

**In-app purchases:** none


## Frequently asked questions

### Is Calculator + free?

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

### Is FurtherM free?

FurtherM costs $8.99, with no in-app purchases.

### Which has better reviews, Calculator + or FurtherM?

FurtherM is rated higher. Calculator + averages 4.6 out of 5 from 10K ratings, while FurtherM averages 5.0 from 2 ratings.

### Do Calculator + or FurtherM have ads?

Calculator + shows ads; FurtherM does not.

### Which is updated more often, Calculator + or FurtherM?

Calculator + ships an update every 5 days, and FurtherM every 3 weeks. Most recently, Calculator + was updated on November 4, 2026 and FurtherM 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.*