# Observer POS vs Nonprofit 101

The clearest difference is in-app purchases: Observer POS at none against Nonprofit 101's 2. Observer POS also leads on update cadence (every 2 months vs every 3 months). Nonprofit 101's advantage is iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Nonprofit 101 sells 2 in-app purchases, starting at $19.99 per month. Observer POS asks for nothing beyond the download.

Observer POS ships an update every 2 months, Nonprofit 101 every 3 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Observer POS | Nonprofit 101 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 114 MB | 116 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WHISPER INFORMATION TECHNOLOGY CO. L.L.C](https://appshunter.io/developer/1497453413) | [Christina Hunter](https://appshunter.io/developer/1749170594) |

## What reviewers say

### Observer POS

[App page](https://appshunter.io/ios/app/observer-pos/id1570650263)

**Features:** macOS Compatibility

**In-app purchases:** none


### Nonprofit 101

[App page](https://appshunter.io/ios/app/nonprofit-101/id6504164203)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $19.99 | per month |
| Premium Annual | $179.99 | per year |


## Frequently asked questions

### Is Observer POS free?

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

### Is Nonprofit 101 free?

Nonprofit 101 is free to download, with in-app purchases available.

### Do Observer POS or Nonprofit 101 have ads?

Neither Observer POS nor Nonprofit 101 shows ads.

### Which is updated more often, Observer POS or Nonprofit 101?

Observer POS ships an update every 2 months, and Nonprofit 101 every 3 months. Most recently, Observer POS was updated on October 14, 2026 and Nonprofit 101 on October 13, 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.*