# InterCalc vs Interpolator

The clearest difference is ratings volume: Interpolator at 74 against InterCalc's 1. Interpolator also leads on update cadence (every 4 months vs every 11 months) and iOS requirement (12.0 vs 18.6). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for InterCalc against 4.9 for Interpolator. That said, the two scores are not equally well evidenced: Interpolator has 74 ratings behind it against 1, so its average is the more settled of the two.

InterCalc ships an update every 11 months, Interpolator every 4 months. The most recent releases landed on June 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | InterCalc | Interpolator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/intercalc/id498391316/reviews)** | [4.9 (74 ratings)](https://appshunter.io/ios/app/interpolator/id635235982/reviews) |
| Number of ratings | 1 | **74** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 1 MB | 18 MB |
| Requires iOS | 18.6 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [River Rock Logic](https://appshunter.io/developer/340225113) | [ron mooring](https://appshunter.io/developer/612283157) |

## What reviewers say

### InterCalc

[App page](https://appshunter.io/ios/app/intercalc/id498391316)

This app performs linear interpolation using a set of X-Y values to define a relationship. It can calculate values based on defined points, useful for tasks like converting pressure readings to fluid volumes in containers or performing simple unit conversions.

**Highlights:** Linear interpolation of X-Y values, Defines arbitrary functions from data points, Calculates fluid volume from pressure readings, Performs unit conversions (e.g., temperature, speed), Supports custom data sets

**Features:** macOS Compatibility

**In-app purchases:** none


### Interpolator

[App page](https://appshunter.io/ios/app/interpolator/id635235982)

Easily find values within tables using interpolation for two or three rows. This utility app simplifies calculations without needing a separate calculator, making it ideal for various table-based environments.

**Highlights:** Two-row interpolation, Three-row interpolation, Table value lookup, No calculator needed, Cargo surveyor tool, General table use

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

**In-app purchases:** none


## Frequently asked questions

### Is InterCalc free?

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

### Is Interpolator free?

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

### Which has better reviews, InterCalc or Interpolator?

InterCalc is rated higher. InterCalc averages 5.0 out of 5 from 1 ratings, while Interpolator averages 4.9 from 74 ratings.

### Do InterCalc or Interpolator have ads?

Neither InterCalc nor Interpolator shows ads.

### Which is updated more often, InterCalc or Interpolator?

InterCalc ships an update every 11 months, and Interpolator every 4 months. Most recently, InterCalc was updated on June 25, 2026 and Interpolator on September 9, 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.*