# SimPacSi vs Antifragile Quotient

The clearest difference is in-app purchases: Antifragile Quotient at none against SimPacSi's 2. Antifragile Quotient also leads on update cadence (every 5 weeks vs every 3 months). SimPacSi's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. SimPacSi sells 2 in-app purchases, starting at $89.99 per month. Antifragile Quotient asks for nothing beyond the download.

SimPacSi ships an update every 3 months, Antifragile Quotient every 5 weeks. The most recent releases landed on November 6, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | SimPacSi | Antifragile Quotient |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Size | 22 MB | 64 MB |
| Requires iOS | **15.4** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SimPlan AG](https://appshunter.io/developer/1091504286) | [Lucidly, Inc.](https://appshunter.io/developer/1589307194) |

## What reviewers say

### SimPacSi

[App page](https://appshunter.io/ios/app/simpacsi/id1432647797)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $89.99 | per month |
| Premium | $899.99 | per year |


### Antifragile Quotient

[App page](https://appshunter.io/ios/app/antifragile-quotient/id6751079949)

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

**In-app purchases:** none


## Frequently asked questions

### Is SimPacSi free?

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

### Is Antifragile Quotient free?

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

### Do SimPacSi or Antifragile Quotient have ads?

Neither SimPacSi nor Antifragile Quotient shows ads.

### Which is updated more often, SimPacSi or Antifragile Quotient?

SimPacSi ships an update every 3 months, and Antifragile Quotient every 5 weeks. Most recently, SimPacSi was updated on November 6, 2026 and Antifragile Quotient on November 12, 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.*