# Curve vs DISS Analytics

The clearest difference is price: DISS Analytics at Free against Curve's $0.99. DISS Analytics also leads on in-app purchases (none vs 1) and update cadence (every 6 weeks vs every 42 months). Curve's advantage is iOS requirement (15.6 vs 18.0). On rating, ratings volume, ads and device support there is nothing between them.

DISS Analytics is free to download; Curve costs $0.99 up front. Curve sells 1 one-off in-app purchase. DISS Analytics asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Curve against 5.0 for DISS Analytics. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Curve ships an update every 42 months, DISS Analytics every 6 weeks. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Curve | DISS Analytics |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/curve-fit/id1450077815/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/diss-analytics/id1574528276/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1 MB | 19 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 12+ |
| Developer | [Bjarne Berge](https://appshunter.io/developer/1209858941) | [DISS](https://appshunter.io/developer/1574528278) |

## What reviewers say

### Curve

[App page](https://appshunter.io/ios/app/curve-fit/id1450077815)

This app performs regression analysis using the method of least squares to fit various equations to your data. The free version offers straight-line fitting, with additional equation types available via an in-app purchase. It's designed for users needing to analyze and model data sets.

**Highlights:** Least squares regression analysis, Multiple equation fitting options, Data set analysis, Free straight-line fitting, In-app purchase for advanced equations

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Curve-Fit | $2.99 | one-time |


### DISS Analytics

[App page](https://appshunter.io/ios/app/diss-analytics/id1574528276)

Gain new insights from your daily data to make balanced and informed business decisions. This application helps you leverage information effectively for strategic planning.

**Highlights:** Data analysis, Informed decision making, Business intelligence, Leverage daily data

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

**In-app purchases:** none


## Frequently asked questions

### Is Curve free?

Curve costs $0.99, and also offers in-app purchases.

### Is DISS Analytics free?

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

### Which has better reviews, Curve or DISS Analytics?

Curve and DISS Analytics are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Curve or DISS Analytics have ads?

Neither Curve nor DISS Analytics shows ads.

### Which is updated more often, Curve or DISS Analytics?

Curve ships an update every 42 months, and DISS Analytics every 6 weeks. Most recently, Curve was updated on October 24, 2026 and DISS Analytics on October 20, 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.*