# Invisible Notes vs StuffKit

The clearest difference is in-app purchases: Invisible Notes at none against StuffKit's 2. Invisible Notes also leads on iOS requirement (9.0 vs 15.1). StuffKit's advantage is update cadence (every 2 days vs every 94 months). On price, ads and device support there is nothing between them.

Both are free to download. StuffKit sells 2 in-app purchases, starting at $0.99 per month. Invisible Notes asks for nothing beyond the download.

Invisible Notes ships an update every 94 months, StuffKit every 2 days. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Invisible Notes | StuffKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 94 months | **Every 2 days** |
| Size | 1 MB | 38 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mohannad Daghistany](https://appshunter.io/developer/846765571) | [Yellowcone Productions](https://appshunter.io/developer/1474456373) |

## What reviewers say

### Invisible Notes

[App page](https://appshunter.io/ios/app/invisible-notes/id916482961)

**Features:** macOS Compatibility

**In-app purchases:** none


### StuffKit

[App page](https://appshunter.io/ios/app/stuffkit/id6747834794)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StuffKit Pro | $0.99 | per month |
| StuffKit Pro | $8.99 | per year |


## Frequently asked questions

### Is Invisible Notes free?

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

### Is StuffKit free?

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

### Do Invisible Notes or StuffKit have ads?

Neither Invisible Notes nor StuffKit shows ads.

### Which is updated more often, Invisible Notes or StuffKit?

Invisible Notes ships an update every 94 months, and StuffKit every 2 days. Most recently, Invisible Notes was updated on October 3, 2026 and StuffKit on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*