# Omnia Model vs Dima AI

The clearest difference is in-app purchases: Omnia Model at none against Dima AI's 10. Dima AI's advantage is ads (none vs shown) and update cadence (every 4 days vs every 11 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Dima AI sells 10 in-app purchases, starting at $2.99 per 7 days. Omnia Model asks for nothing beyond the download.

Omnia Model ships an update every 11 days, Dima AI every 4 days. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Omnia Model | Dima AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (1.3K ratings)](https://appshunter.io/ios/app/dima-ai-smart-personal-helper/id6796370885/reviews)** |
| Number of ratings | — | **1.3K** |
| Positive reviews | — | 29.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 104 MB | 37 MB |
| Requires iOS | **16.4** | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Thalyta Araujo](https://appshunter.io/developer/1884447049) | [Constantinou Georgia](https://appshunter.io/developer/6802342592) |

## What reviewers say

### Omnia Model

[App page](https://appshunter.io/ios/app/omnia-model/id6767287927)

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

**In-app purchases:** none


### Dima AI

[App page](https://appshunter.io/ios/app/dima-ai-smart-personal-helper/id6796370885)

This AI companion helps with communication, creativity, and productivity. Get instant answers, writing assistance, and idea generation through natural conversations. It adapts to various tasks for work, learning, or quick help.

**Highlights:** Natural AI conversations, Instant answers and explanations, Writing assistance, Idea generation, Productivity assistance, Clean interface

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Week Chat Pro | $2.99 | per 7 days |
| Week Pro Chat | $3.99 | per 7 days |
| Week Chat Pro | $4.99 | per 7 days |
| Year Pro Chat | $19.99 | per year |
| Year Chat Pro | $24.99 | per year |
| Year Chat Pro | $39.99 | per year |
| 200 tokens | $1.99 | one-time |
| 400 tokens | $2.99 | one-time |
| 1000 tokens | $3.99 | one-time |
| 2000 tokens | $5.99 | one-time |


## Frequently asked questions

### Is Omnia Model free?

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

### Is Dima AI free?

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

### Do Omnia Model or Dima AI have ads?

Omnia Model shows ads; Dima AI does not.

### Which is updated more often, Omnia Model or Dima AI?

Omnia Model ships an update every 11 days, and Dima AI every 4 days. Most recently, Omnia Model was updated on October 25, 2026 and Dima AI on November 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.*