# SimTanka vs Silo

The clearest difference is update cadence: SimTanka at every 2 weeks against Silo's every 2 months. SimTanka also leads on iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SimTanka sells 3 one-off in-app purchases and Silo sells 7 in-app purchases, starting at $10.00 per month. Whichever you choose, the download price is not the number that matters.

SimTanka ships an update every 2 weeks, Silo every 2 months. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SimTanka | Silo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/silo-control-what-ai-knows/id6748108317/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | — | Freemium |
| Size | 3 MB | 175 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Vikram Vyas](https://appshunter.io/developer/1677119919) | [One Silo, Inc](https://appshunter.io/developer/1797689699) |

## What reviewers say

### SimTanka

[App page](https://appshunter.io/ios/app/simtanka/id6446281690)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support SimTanka | $0.99 | one-time |
| Voluntary Contribution | $9.99 | one-time |
| Voluntary Contribution | $99.99 | one-time |


### Silo

[App page](https://appshunter.io/ios/app/silo-control-what-ai-knows/id6748108317)

Manage your AI interactions and data privacy. This app acts as a control layer, ensuring your information is secure and portable across different AI models. It allows you to control what AI knows about you, offering a private and auditable experience.

**Highlights:** Cross-model memory portability, User-owned encrypted data, PII scrubbing, Audit trail of AI interactions, Service integrations (Google, Dropbox, Plaid), On-device private AI assistance

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Silo Plus Monthly | $10.00 | per month |
| Silo Pro Monthly | $20.00 | per month |
| Silo Plus Monthly | $20.00 | per month |
| Silo Plus Yearly | $100.00 | per year |
| Silo Pro Yearly | $200.00 | per year |
| Silo Plus Yearly | $200.00 | per year |
| Silo Pro Monthly | $200.00 | per month |


## Frequently asked questions

### Is SimTanka free?

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

### Is Silo free?

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

### Do SimTanka or Silo have ads?

Neither SimTanka nor Silo shows ads.

### Which is updated more often, SimTanka or Silo?

SimTanka ships an update every 2 weeks, and Silo every 2 months. Most recently, SimTanka was updated on October 30, 2026 and Silo on October 28, 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.*