# Zero Note vs CaseStamp

The clearest difference is in-app purchases: CaseStamp at none against Zero Note's 2. CaseStamp also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). Zero Note's advantage is update cadence (every 3 days vs every 9 days). On price and ads there is nothing between them.

Both are free to download. Zero Note sells 2 one-off in-app purchases. CaseStamp asks for nothing beyond the download.

Zero Note ships an update every 3 days, CaseStamp every 9 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Zero Note | CaseStamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zero-note-self-destruct-notes/id6760115126/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 8 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Pradeep Burugu](https://appshunter.io/developer/1593852439) | [Jesus Cardenas](https://appshunter.io/developer/6788815194) |

## What reviewers say

### Zero Note

[App page](https://appshunter.io/ios/app/zero-note-self-destruct-notes/id6760115126)

Securely share encrypted notes that automatically disappear after being read or based on custom rules. Options include self-destruction by views or time, location-based access control, and email notifications upon opening. Access notes from any device via a keyboard extension.

**Highlights:** Self-destruct by views, Self-destruct by time, Location-based access control, Email notifications on opening, Keyboard extension access, Audit trail

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zero Note Lifetime Basic | $9.99 | one-time |
| Zero Note Lifetime Pro | $12.99 | one-time |


### CaseStamp

[App page](https://appshunter.io/ios/app/casestamp-evidence-log/id6788815191)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero Note free?

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

### Is CaseStamp free?

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

### Do Zero Note or CaseStamp have ads?

Neither Zero Note nor CaseStamp shows ads.

### Which is updated more often, Zero Note or CaseStamp?

Zero Note ships an update every 3 days, and CaseStamp every 9 days. Most recently, Zero Note was updated on October 16, 2026 and CaseStamp on October 5, 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.*