# PocketStat vs Trillion

The clearest difference is ads: PocketStat at none against Trillion's shown. PocketStat also leads on update cadence (every 3 months vs every 12 months) and iOS requirement (10.0 vs 13.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. PocketStat sells 1 one-off in-app purchase and Trillion sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PocketStat ships an update every 3 months, Trillion every 12 months. The most recent releases landed on September 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | PocketStat | Trillion |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pocketstat/id1095020560/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 29 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GLENN ROSEN](https://appshunter.io/developer/1077518822) | [kota tada](https://appshunter.io/developer/1658942612) |

## What reviewers say

### PocketStat

[App page](https://appshunter.io/ios/app/pocketstat/id1095020560)

This tool helps you assess statistical claims in various academic and professional contexts. It offers calculators for common statistical tasks like determining sample size and performing t-tests. An optional premium upgrade unlocks advanced features for larger datasets.

**Highlights:** Assess statistical claims, Calculate sample size, Perform t-tests, Compute chi-square statistics, Estimate population mean, Premium advanced calculations

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Level | $1.99 | one-time |


### Trillion

[App page](https://appshunter.io/ios/app/trillion-probability-simu/id6743378063)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


## Frequently asked questions

### Is PocketStat free?

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

### Is Trillion free?

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

### Do PocketStat or Trillion have ads?

Trillion shows ads; PocketStat does not.

### Which is updated more often, PocketStat or Trillion?

PocketStat ships an update every 3 months, and Trillion every 12 months. Most recently, PocketStat was updated on September 23, 2026 and Trillion on October 5, 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.*