# interCalculator vs Cuspart

The clearest difference is in-app purchases: interCalculator at none against Cuspart's 3. interCalculator also leads on ads (none vs shown). Cuspart's advantage is update cadence (every 3 months vs every 18 months). On price, 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. interCalculator asks for nothing beyond the download.

interCalculator ships an update every 18 months, Cuspart every 3 months. The most recent releases landed on June 5, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | interCalculator | Cuspart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/intercalculator/id1550864236/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 18 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 54 MB | 11 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [interfinity Limited](https://appshunter.io/developer/1774724445) | [Mustafa Tolga DALBUDAK](https://appshunter.io/developer/1479052908) |

## What reviewers say

### interCalculator

[App page](https://appshunter.io/ios/app/intercalculator/id1550864236)

This utility app offers real-time calculations with optional haptic feedback and a dark mode. It supports unit conversions, number base conversions, and finding divisors for integers.

**Highlights:** Real-time results, Haptic feedback, Number base conversion, Divisor finder, Dark Mode, Customizable color scheme

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is interCalculator free?

interCalculator is free to download, with no in-app purchases.

### Is Cuspart free?

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

### Do interCalculator or Cuspart have ads?

Cuspart shows ads; interCalculator does not.

### Which is updated more often, interCalculator or Cuspart?

interCalculator ships an update every 18 months, and Cuspart every 3 months. Most recently, interCalculator was updated on June 5, 2026 and Cuspart on September 21, 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.*