# Obsession vs CalUnity

The clearest difference is rating: Obsession at 5.0 against CalUnity's 1.0. CalUnity's advantage is monetization model (free vs paid). On price, ratings volume, update cadence and ads there is nothing between them.

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

Obsession holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Obsession ships an update fortnightly, CalUnity every 3 weeks. The most recent releases landed on June 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Obsession | CalUnity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obsession-goal-accountability/id6757093559/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/calunity/id6760173746/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Paid | **Free** |
| Size | 28 MB | 66 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sledge Dev Inc](https://appshunter.io/developer/1428309941) | [Ronak Vakharia](https://appshunter.io/developer/1882961045) |

## What reviewers say

### Obsession

[App page](https://appshunter.io/ios/app/obsession-goal-accountability/id6757093559)

This app helps you achieve one major goal by focusing on daily commitments and immutable accountability. It provides a structured system to build discipline and track progress without gamification.

**Highlights:** One-goal focus system, Immutable commitments, Daily accountability tracker, Goal planning with milestones, Private journal for self-improvement, No gamification

**Features:** macOS Compatibility

**In-app purchases:** none


### CalUnity

[App page](https://appshunter.io/ios/app/calunity/id6760173746)

Consolidate all your calendars from Google, Outlook, iCloud, and CalDAV into a single, AI-powered interface. Manage your schedule with natural language commands and enjoy smart conflict detection, all while prioritizing your privacy with read-only access and encrypted data.

**Highlights:** Unified view of multiple calendar providers, AI assistant with natural language control, Smart conflict detection, Push notifications and event reminders, Lightning-fast sync, Dark and light mode support

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

**In-app purchases:** none


## Frequently asked questions

### Is Obsession free?

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

### Is CalUnity free?

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

### Which has better reviews, Obsession or CalUnity?

Obsession is rated higher. Obsession averages 5.0 out of 5 from 1 ratings, while CalUnity averages 1.0 from 1 ratings.

### Do Obsession or CalUnity have ads?

Neither Obsession nor CalUnity shows ads.

### Which is updated more often, Obsession or CalUnity?

Obsession ships an update fortnightly, and CalUnity every 3 weeks. Most recently, Obsession was updated on June 7, 2026 and CalUnity on September 24, 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.*