# Cuspart vs Calculator ⁺⁻

The clearest difference is in-app purchases: Calculator ⁺⁻ at none against Cuspart's 3. Cuspart's advantage is update cadence (every 3 months vs every 15 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Cuspart sells 3 in-app purchases, starting at $0.99 per month. Calculator ⁺⁻ asks for nothing beyond the download.

Cuspart ships an update every 3 months, Calculator ⁺⁻ every 15 months. The most recent releases landed on September 21, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Cuspart | Calculator ⁺⁻ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (40 ratings)](https://appshunter.io/ios/app/calculator/id6443813573/reviews)** |
| Number of ratings | — | **40** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 15 months |
| Monetization | — | Ad-supported |
| Size | 11 MB | 4 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) | [Matrix Software Co.](https://appshunter.io/developer/1457004046) |

## What reviewers say

### Cuspart

[App page](https://appshunter.io/ios/app/cuspart-calculator-plus/id1572084996)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Subscription | $0.99 | per month |
| 3 Month Subscription | $2.99 | per 3 months |
| 12 Month Subscription | $8.99 | per year |


### 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 Cuspart free?

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

### Is Calculator ⁺⁻ free?

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

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

Both Cuspart and Calculator ⁺⁻ show ads.

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

Cuspart ships an update every 3 months, and Calculator ⁺⁻ every 15 months. Most recently, Cuspart was updated on September 21, 2026 and Calculator ⁺⁻ on September 7, 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.*