# Atlantis vs NNOP

The clearest difference is in-app purchases: NNOP at none against Atlantis's 3. NNOP also leads on iOS requirement (15.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Atlantis sells 3 in-app purchases, starting at $14.99 per month. NNOP asks for nothing beyond the download.

## The numbers

| Metric | Atlantis | NNOP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atlantis-private-ai-assistant/id6749238827/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 27 MB | 148 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Roia Labs Ltd](https://appshunter.io/developer/1808283966) | [NNOP](https://appshunter.io/developer/6789175479) |

## What reviewers say

### Atlantis

[App page](https://appshunter.io/ios/app/atlantis-private-ai-assistant/id6749238827)

This AI assistant prioritizes your data privacy with on-device processing and end-to-end encryption. It helps optimize daily routines by managing context, syncing across devices, and providing personalized briefings, notes, and reminders.

**Highlights:** On-device processing for data privacy, End-to-end encryption, Context control and management, Sync across Mac and iPhone, Sub-chats for organized discussions, Personalized daily briefings, Voice and text control

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $14.99 | per month |
| 3 Months | $34.99 | per 3 months |
| Annual | $99.99 | per year |


### NNOP

[App page](https://appshunter.io/ios/app/nnop/id6789175477)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Atlantis free?

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

### Is NNOP free?

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

### Do Atlantis or NNOP have ads?

Neither Atlantis nor NNOP shows ads.

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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.*