# Calculator ⁺⁻ vs Calculator⊕

The clearest difference is review sentiment: Calculator⊕ at 100% against Calculator ⁺⁻'s 50%. Calculator⊕ also leads on update cadence (every 10 days vs every 15 months) and rating (5.0 vs 4.7). Calculator ⁺⁻'s advantage is in-app purchases (none vs 7) and ratings volume (40 vs 9). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Calculator⊕ sells 7 in-app purchases, starting at $0.99 per month. Calculator ⁺⁻ asks for nothing beyond the download.

Calculator⊕ holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 40 and 9 respectively. Written reviews point the same way: 50% of Calculator ⁺⁻'s written reviews are positive against 100% of Calculator⊕'s.

Calculator ⁺⁻ ships an update every 15 months, Calculator⊕ every 10 days. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Calculator ⁺⁻ | Calculator⊕ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (40 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/calculator/id6475163505/reviews)** |
| Number of ratings | **40** | 9 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 15 months | **Every 10 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 4 MB | 26 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Matrix Software Co.](https://appshunter.io/developer/1457004046) | [Daniil Kabachuk](https://appshunter.io/developer/1896048985) |

## What reviewers say

### 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


### Calculator⊕

[App page](https://appshunter.io/ios/app/calculator/id6475163505)

This app offers a comprehensive suite of calculating tools, including basic, scientific, and fraction solvers. It features an enhanced history log for tracking and sharing past computations, along with customizable options for a personalized user experience. Enjoy a clean interface and reliable precision for all your mathematical needs.

**Highlights:** Basic, Complex, Scientific, and Fraction modes, Enhanced calculation history, Share and copy results, Customizable interface options, User-friendly design, Accurate and reliable calculations

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Access | $0.99 | per month |
| Weekly Pro Features Access | $1.99 | per 7 days |
| Monthly Pro Features Access | $2.99 | per month |
| Half-Yearly Premium Access | $2.99 | per 6 months |
| Yearly Premium Access | $4.99 | per year |
| Yearly Special Offer Access | $4.99 | per year |
| Yearly Pro Features Access | $9.99 | per year |


## Frequently asked questions

### Is Calculator ⁺⁻ free?

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

### Is Calculator⊕ free?

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

### Which has better reviews, Calculator ⁺⁻ or Calculator⊕?

Calculator⊕ is rated higher. Calculator ⁺⁻ averages 4.7 out of 5 from 40 ratings, while Calculator⊕ averages 5.0 from 9 ratings.

### Do Calculator ⁺⁻ or Calculator⊕ have ads?

Both Calculator ⁺⁻ and Calculator⊕ show ads.

### Which is updated more often, Calculator ⁺⁻ or Calculator⊕?

Calculator ⁺⁻ ships an update every 15 months, and Calculator⊕ every 10 days. Most recently, Calculator ⁺⁻ was updated on October 8, 2026 and Calculator⊕ on October 4, 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.*