# Secure Notes vs CarM3

The clearest difference is in-app purchases: CarM3 at none against Secure Notes's 6. Secure Notes's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Secure Notes sells 6 in-app purchases, starting at $4.99 per month. CarM3 asks for nothing beyond the download.

Secure Notes ships an update fortnightly, CarM3 every 10 days. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Secure Notes | CarM3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (716 ratings)](https://appshunter.io/ios/app/secure-notes-secret-and-lock/id1469517353/reviews)** | — |
| Number of ratings | **716** | — |
| Positive reviews | 64.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 67 MB | 64 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [PixelPort LLC](https://appshunter.io/developer/1355467938) | [Alexandre Auler](https://appshunter.io/developer/1485334988) |

## What reviewers say

### Secure Notes

[App page](https://appshunter.io/ios/app/secure-notes-secret-and-lock/id1469517353)

Safeguard your private thoughts, voice memos, and sensitive information with robust, multi-layered security. This app offers military-grade encryption, biometric locks, and secure voice recording to keep your data protected. Enjoy a distraction-free, ad-free experience with a powerful rich text editor and seamless iCloud syncing across devices.

**Highlights:** 3-Layer Security (app, folders, notes), Secure Voice Recording, Biometric Lock (Face ID, Touch ID, Passcode), iCloud Sync, Rich Text Editor with Markdown, Trash Recovery

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Secure Notes - 1 Month PRO | $4.99 | per month |
| Secure Notes - Pro Monthly | $6.99 | per month |
| Secure Notes Pro Monthly | $9.99 | per month |
| Secure Notes Pro Annual Offer | $19.99 | per year |
| Secure Notes - 1 Year PRO | $39.99 | per year |
| Secure Notes Pro - Lifetime | $99.99 | one-time |

**What reviewers like**

- 🔒 Secure notes and folders
- 👍 User-friendly interface
- 🚀 Efficient note-taking
- 💡 Innovative features like Love Voice Notes

**What reviewers complain about**

- 🐛 Glitchy performance after updates
- 🤯 Overly complicated UI changes
- 🔒 Difficulty resetting passwords/access
- 💸 Essential features locked behind paywall

**Reported bugs**

- Frequent app crashes
- Delayed text input and display
- Inability to access locked notes

**Requested features**

- Ability to move notes between folders
- Option to customize font, size, and colors
- Trash/Recycle bin for deleted notes
- Cloud sync/backup functionality


### CarM3

[App page](https://appshunter.io/ios/app/carm3/id6755984980)

**In-app purchases:** none


## Frequently asked questions

### Is Secure Notes free?

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

### Is CarM3 free?

CarM3 is free to download, with no in-app purchases.

### Do Secure Notes or CarM3 have ads?

CarM3 shows ads; Secure Notes does not.

### Which is updated more often, Secure Notes or CarM3?

Secure Notes ships an update fortnightly, and CarM3 every 10 days. Most recently, Secure Notes was updated on October 21, 2026 and CarM3 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.*