# Interpolation 1.4 vs Interpolator

The clearest difference is rating: Interpolator at 4.9 against Interpolation 1.4's 3.5. Interpolator also leads on review sentiment (67% vs 33%) and ratings volume (74 vs 6). Interpolation 1.4's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Interpolator holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: Interpolator has 74 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 33% of Interpolation 1.4's written reviews are positive against 67% of Interpolator's.

Interpolation 1.4 ships an update every 3 weeks, Interpolator every 4 months. The most recent releases landed on September 17, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | Interpolation 1.4 | Interpolator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/interpolation-14/id557950545/reviews) | **[4.9 (74 ratings)](https://appshunter.io/ios/app/interpolator/id635235982/reviews)** |
| Number of ratings | 6 | **74** |
| Positive reviews | 33.3% of reviews | **66.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 1 MB | 18 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [ZOFTERM](https://appshunter.io/developer/557950548) | [ron mooring](https://appshunter.io/developer/612283157) |

## What reviewers say

### Interpolation 1.4

[App page](https://appshunter.io/ios/app/interpolation-14/id557950545)

This utility calculates linear or quadratic interpolations. It provides a straightforward tool for mathematical estimations based on given data points.

**Highlights:** Linear interpolation calculation, Quadratic interpolation calculation, Mathematical estimation tool

**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 Interpolation 1.4 free?

Interpolation 1.4 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, Interpolation 1.4 or Interpolator?

Interpolator is rated higher. Interpolation 1.4 averages 3.5 out of 5 from 6 ratings, while Interpolator averages 4.9 from 74 ratings.

### Do Interpolation 1.4 or Interpolator have ads?

Neither Interpolation 1.4 nor Interpolator shows ads.

### Which is updated more often, Interpolation 1.4 or Interpolator?

Interpolation 1.4 ships an update every 3 weeks, and Interpolator every 4 months. Most recently, Interpolation 1.4 was updated on September 17, 2026 and Interpolator on September 26, 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.*