# Impari PPP vs SACNAS

The clearest difference is price: SACNAS at Free against Impari PPP's $1.99. Impari PPP's advantage is update cadence (every 8 days vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

SACNAS is free to download; Impari PPP costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Impari PPP ships an update every 8 days, SACNAS every 6 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Impari PPP | SACNAS |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 6 months |
| Size | 3 MB | 60 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [David Orgeman](https://appshunter.io/developer/1545166417) | [Society For Advancement Of Chicanos and Native Americans in Science, Inc.](https://appshunter.io/developer/1700715708) |

## What reviewers say

### Impari PPP

[App page](https://appshunter.io/ios/app/impari-ppp/id1554866746)

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

**In-app purchases:** none


### SACNAS

[App page](https://appshunter.io/ios/app/sacnas/id6456981839)

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

**In-app purchases:** none


## Frequently asked questions

### Is Impari PPP free?

Impari PPP costs $1.99, with no in-app purchases.

### Is SACNAS free?

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

### Do Impari PPP or SACNAS have ads?

Neither Impari PPP nor SACNAS shows ads.

### Which is updated more often, Impari PPP or SACNAS?

Impari PPP ships an update every 8 days, and SACNAS every 6 months. Most recently, Impari PPP was updated on October 16, 2026 and SACNAS on October 10, 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.*