# Karpos.app vs Harmony

The clearest difference is in-app purchases: Karpos.app at none against Harmony's 1. Harmony's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Harmony sells 1 in-app purchase, starting at $5.99 per month. Karpos.app asks for nothing beyond the download.

Karpos.app ships an update every 3 months, Harmony every 2 weeks. The most recent releases landed on October 10, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Karpos.app | Harmony |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/harmony-sync-relationship-app/id6759437951/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 36 MB | 11 MB |
| Requires iOS | **15.1** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alive Church, Incorporated](https://appshunter.io/developer/1534940769) | [Asmik Arustamyan](https://appshunter.io/developer/1878581956) |

## What reviewers say

### Karpos.app

[App page](https://appshunter.io/ios/app/karposapp/id6756092774)

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

**In-app purchases:** none


### Harmony

[App page](https://appshunter.io/ios/app/harmony-sync-relationship-app/id6759437951)

This app provides tools for couples to improve communication, resolve conflicts, and deepen emotional connection. It offers guided exercises and daily habits designed to strengthen bonds and foster understanding.

**Highlights:** Guided communication tools, Conflict resolution support, Daily connection habits, Relationship insights and tracking, Deepen emotional connection

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HarmonySync Premium | $5.99 | per month |


## Frequently asked questions

### Is Karpos.app free?

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

### Is Harmony free?

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

### Do Karpos.app or Harmony have ads?

Neither Karpos.app nor Harmony shows ads.

### Which is updated more often, Karpos.app or Harmony?

Karpos.app ships an update every 3 months, and Harmony every 2 weeks. Most recently, Karpos.app was updated on October 10, 2026 and Harmony on October 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.*