# empatha vs Calculus Solver

The clearest difference is update cadence: empatha at every 2 months against Calculus Solver's every 11 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. empatha sells 5 in-app purchases, starting at $3.99 per 7 days and Calculus Solver sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

empatha ships an update every 2 months, Calculus Solver every 11 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | empatha | Calculus Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/empatha/id6743860355/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 11 months |
| Monetization | Freemium | — |
| Size | 53 MB | 12 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [Empatha AI LLC](https://appshunter.io/developer/1804945181) | [Nicolas Gustavo Melian](https://appshunter.io/developer/1777868675) |

## What reviewers say

### empatha

[App page](https://appshunter.io/ios/app/empatha/id6743860355)

This app uses AI and communication science to analyze your text conversations, revealing hidden relationship patterns and motives. Get objective insights into your interactions without sugarcoating, helping you understand communication dynamics better. It offers secure and private analysis of your chats.

**Highlights:** AI-powered conversation analysis, Reveals hidden relationship truths, Identifies communication patterns, Provides objective insights, Secure and private data handling, Easy screenshot upload

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Empatha Premium Access 1 Week | $3.99 | per 7 days |
| Empatha Premium Access 1 Month | $19.99 | per month |
| Empatha Premium Access 12 Months | $99.99 | per year |
| Empatha 15 Ask Empatha Add-on | $4.99 | one-time |
| Empatha 30 Conversations Add-on | $9.99 | one-time |


### Calculus Solver

[App page](https://appshunter.io/ios/app/calculus-solver-step-by-step/id6753817856)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $4.99 | per 7 days |
| Yearly Plan | $24.99 | per year |


## Frequently asked questions

### Is empatha free?

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

### Is Calculus Solver free?

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

### Do empatha or Calculus Solver have ads?

Neither empatha nor Calculus Solver shows ads.

### Which is updated more often, empatha or Calculus Solver?

empatha ships an update every 2 months, and Calculus Solver every 11 months. Most recently, empatha was updated on October 24, 2026 and Calculus Solver on October 6, 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.*