# CS Pro Note vs Stacked AI

The clearest difference is in-app purchases: Stacked AI at none against CS Pro Note's 1. Stacked AI also leads on update cadence (daily vs monthly). CS Pro Note's advantage is iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. CS Pro Note sells 1 one-off in-app purchase. Stacked AI asks for nothing beyond the download.

CS Pro Note ships an update monthly, Stacked AI daily. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | CS Pro Note | Stacked AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Size | 60 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeffery Galen Reed](https://appshunter.io/developer/1819964083) | [Daniel Cuevas](https://appshunter.io/developer/1857075196) |

## What reviewers say

### CS Pro Note

[App page](https://appshunter.io/ios/app/cs-pro-note/id6749539002)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CS Pro Note Lifetime | $7.99 | one-time |


### Stacked AI

[App page](https://appshunter.io/ios/app/stacked-ai/id6756550526)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CS Pro Note free?

CS Pro Note is free to download, with in-app purchases available.

### Is Stacked AI free?

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

### Do CS Pro Note or Stacked AI have ads?

Neither CS Pro Note nor Stacked AI shows ads.

### Which is updated more often, CS Pro Note or Stacked AI?

CS Pro Note ships an update monthly, and Stacked AI daily. Most recently, CS Pro Note was updated on September 17, 2026 and Stacked AI on September 18, 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.*