# Mask vs Keepout

The clearest difference is in-app purchases: Keepout at none against Mask's 4. Mask's advantage is update cadence (fortnightly vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mask sells 4 in-app purchases, starting at $5.99 per month. Keepout asks for nothing beyond the download.

Mask ships an update fortnightly, Keepout every 5 weeks. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mask | Keepout |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6 ratings)](https://appshunter.io/ios/app/mask-incognito-ai-chat/id6747236187/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Freemium | — |
| Size | 12 MB | 11 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [Oyu AI Inc](https://appshunter.io/developer/1820338839) | [Alex Richard Fiore](https://appshunter.io/developer/1819637558) |

## What reviewers say

### Mask

[App page](https://appshunter.io/ios/app/mask-incognito-ai-chat/id6747236187)

Engage in private, encrypted AI conversations without signup. Access multiple advanced AI models simultaneously to compare responses and gain insights. Chats are stored locally for your control and privacy.

**Highlights:** Anonymous AI chat, Access ChatGPT, Claude, Gemini, Compare multiple AI responses, Local chat storage, Ad-free experience, No signup required

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mask Plus Monthly | $5.99 | per month |
| Mask Pro Monthly | $19.99 | per month |
| Mask Plus Yearly | $47.99 | per year |
| Mask Pro Yearly | $191.99 | per year |


### Keepout

[App page](https://appshunter.io/ios/app/keepout-private-notes/id6799290256)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mask free?

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

### Is Keepout free?

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

### Do Mask or Keepout have ads?

Neither Mask nor Keepout shows ads.

### Which is updated more often, Mask or Keepout?

Mask ships an update fortnightly, and Keepout every 5 weeks. Most recently, Mask was updated on October 24, 2026 and Keepout on October 31, 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.*