# Tinfoil vs Private.ai

The clearest difference is update cadence: Tinfoil at every 2 days against Private.ai's weekly. Tinfoil also leads on ratings volume (33 vs 4). Private.ai's advantage is rating (5.0 vs 4.8). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Tinfoil sells 1 in-app purchase, starting at $19.99 per month and Private.ai sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Private.ai holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Tinfoil has 33 ratings behind it against 4, so its average is the more settled of the two.

Tinfoil ships an update every 2 days, Private.ai weekly. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Tinfoil | Private.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (33 ratings)](https://appshunter.io/ios/app/tinfoil-private-ai/id6745201750/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/privateai/id6791263909/reviews)** |
| Number of ratings | **33** | 4 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 81 MB | 42 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 12+ | 17+ |
| Developer | [Tinfoil, Inc](https://appshunter.io/developer/1791183108) | [Strongwall.ai](https://appshunter.io/developer/1871738126) |

## What reviewers say

### Tinfoil

[App page](https://appshunter.io/ios/app/tinfoil-private-ai/id6745201750)

This AI chat application prioritizes user privacy by processing conversations within secure hardware enclaves, ensuring they are inaccessible to everyone, including the developers. It offers the speed of cloud-based AI with the privacy of a local model, backed by open-source code for transparency and auditability.

**Highlights:** Verifiable privacy through secure hardware enclaves, End-to-end encryption for all conversations, Runs state-of-the-art open-source AI models, Open-source code for public auditability, Privacy equivalent to local models, Automatic enclave security verification

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Chat Subscription | $19.99 | per month |


### Private.ai

[App page](https://appshunter.io/ios/app/privateai/id6791263909)

This AI chat application prioritizes user privacy by not storing or selling conversations. It offers a secure and encrypted experience, allowing users to interact with AI without compromising their personal data. Guest access is available, with subscription options for full functionality.

**Highlights:** Encrypted on-device conversations, No user data storage or profiling, Anonymous account and payment options, Remixed question processing for tracking prevention, Secure US-based encrypted hardware, No data retention for sale or breaches

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Private.ai Monthly | $12.99 | per month |
| Private.ai Yearly | $129.99 | per year |


## Frequently asked questions

### Is Tinfoil free?

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

### Is Private.ai free?

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

### Which has better reviews, Tinfoil or Private.ai?

Private.ai is rated higher. Tinfoil averages 4.8 out of 5 from 33 ratings, while Private.ai averages 5.0 from 4 ratings.

### Do Tinfoil or Private.ai have ads?

Neither Tinfoil nor Private.ai shows ads.

### Which is updated more often, Tinfoil or Private.ai?

Tinfoil ships an update every 2 days, and Private.ai weekly. Most recently, Tinfoil was updated on November 6, 2026 and Private.ai 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.*