# OmniPlan 4 vs atrophy

The clearest difference is update cadence: atrophy at every 5 days against OmniPlan 4's every 2 months. atrophy also leads on monetization model (freemium vs paid). OmniPlan 4's advantage is rating (3.9 vs 3.7) and ratings volume (20 vs 3). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. OmniPlan 4 sells 10 in-app purchases, starting at $19.99 per month and atrophy sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

OmniPlan 4 holds the better App Store score, 3.9 against 3.7. That said, the two scores are not equally well evidenced: OmniPlan 4 has 20 ratings behind it against 3, so its average is the more settled of the two.

OmniPlan 4 ships an update every 2 months, atrophy every 5 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | OmniPlan 4 | atrophy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (20 ratings)](https://appshunter.io/ios/app/omniplan-4/id1460319993/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/atrophy/id6765778979/reviews) |
| Number of ratings | **20** | 3 |
| Positive reviews | 23.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Paid | **Freemium** |
| Size | 68 MB | 11 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Omni Group](https://appshunter.io/developer/281731738) | [Graham Annett](https://appshunter.io/developer/1896070977) |

## What reviewers say

### OmniPlan 4

[App page](https://appshunter.io/ios/app/omniplan-4/id1460319993)

This app offers robust project management capabilities, allowing users to view, edit, and organize complex projects. It provides tools for tracking progress, managing teams, and improving workflows with features like automatic scheduling and critical path highlighting.

**Highlights:** Automatic project scheduling, Resource leveling, Team collaboration, Critical path highlighting, Interactive Gantt timeline, Network diagram view

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Legacy Subscription | $19.99 | per month |
| Legacy Subscription | $199.99 | per year |
| Free Upgrade to v4 Pro | Free | one-time |
| Free Upgrade to v4 Standard | Free | one-time |
| Upgrade to v4 Standard | $99.99 | one-time |
| Upgrade from Standard to Pro | $99.99 | one-time |
| Unlock Standard | $199.99 | one-time |
| Upgrade to v4 Pro | $199.99 | one-time |
| Upgrade from Standard to Pro | $199.99 | one-time |
| Unlock Pro | $399.99 | one-time |


### atrophy

[App page](https://appshunter.io/ios/app/atrophy/id6765778979)

This app helps you assess how much you rely on AI for judgment. It offers offline diagnostic quizzes to identify AI-generated content, verify claims, and gauge your confidence. Results are presented as a calibration score and a shareable card.

**Highlights:** Offline diagnostic quizzes, AI content identification, Claim verification, Confidence gauging, Calibration score, Shareable result card

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atrophy Monthly | $4.99 | per month |
| Atrophy Yearly | $49.99 | per year |


## Frequently asked questions

### Is OmniPlan 4 free?

OmniPlan 4 is free to download, with in-app purchases available.

### Is atrophy free?

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

### Which has better reviews, OmniPlan 4 or atrophy?

OmniPlan 4 is rated higher. OmniPlan 4 averages 3.9 out of 5 from 20 ratings, while atrophy averages 3.7 from 3 ratings.

### Do OmniPlan 4 or atrophy have ads?

Neither OmniPlan 4 nor atrophy shows ads.

### Which is updated more often, OmniPlan 4 or atrophy?

OmniPlan 4 ships an update every 2 months, and atrophy every 5 days. Most recently, OmniPlan 4 was updated on October 16, 2026 and atrophy on October 7, 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.*