# Centric Product Notes vs ISPA EXPO 2026

The clearest difference is iOS requirement: Centric Product Notes at 13.0 against ISPA EXPO 2026's 15.6. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Centric Product Notes | ISPA EXPO 2026 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 10 MB | 31 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Centric Software Inc](https://appshunter.io/developer/811683089) | [International Sleep Products Association Inc](https://appshunter.io/developer/1350859569) |

## What reviewers say

### Centric Product Notes

[App page](https://appshunter.io/ios/app/centric-product-notes/id961893311)

**Features:** macOS Compatibility

**In-app purchases:** none


### ISPA EXPO 2026

[App page](https://appshunter.io/ios/app/ispa-expo-2026/id6759006104)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Centric Product Notes free?

Centric Product Notes is free to download, with no in-app purchases.

### Is ISPA EXPO 2026 free?

ISPA EXPO 2026 is free to download, with no in-app purchases.

### Do Centric Product Notes or ISPA EXPO 2026 have ads?

Neither Centric Product Notes nor ISPA EXPO 2026 shows ads.

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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.*