# Mnemonizer vs OneVault Password Manager

The clearest difference is in-app purchases: Mnemonizer at none against OneVault Password Manager's 2. Mnemonizer also leads on iOS requirement (8.0 vs 15.0). OneVault Password Manager's advantage is update cadence (every 6 weeks vs every 14 months) and review sentiment (100% vs 83%). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. OneVault Password Manager sells 2 in-app purchases, starting at $3.49 per month. Mnemonizer asks for nothing beyond the download.

OneVault Password Manager holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 83% of Mnemonizer's written reviews are positive against 100% of OneVault Password Manager's.

Mnemonizer ships an update every 14 months, OneVault Password Manager every 6 weeks. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Mnemonizer | OneVault Password Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/mnemonizer/id1126080651/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/onevault-password-manager/id1540013778/reviews)** |
| Number of ratings | 4 | **5** |
| Positive reviews | 83.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 44 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Happymagenta UAB](https://appshunter.io/developer/1105393733) | [BDP Corporation](https://appshunter.io/developer/1071273682) |

## What reviewers say

### Mnemonizer

[App page](https://appshunter.io/ios/app/mnemonizer/id1126080651)

This app offers a unique method to secure sensitive information like PINs and passwords by disguising them within a visually camouflaged grid of random characters. It allows users to create mnemonic cards, mentally mapping data positions for uncrackable privacy.

**Highlights:** Hide PINs and passwords, Mnemonic card system, Camouflaged data display, Automatic iCloud sync, Multiple data cards, Uncrackable security

**Features:** macOS Compatibility

**In-app purchases:** none


### OneVault Password Manager

[App page](https://appshunter.io/ios/app/onevault-password-manager/id1540013778)

Securely store and autofill your passwords across devices. This app offers a virtual vault with robust security features, including biometric authentication and local storage, to protect your credentials and simplify logins.

**Highlights:** Local password storage, Biometric authentication (Face ID, Touch ID, Passcode), Automatic secure logins, Cross-device syncing, Strong password generation tool, Unlimited password storage, Organized list and folder views

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.49 | per month |
| Annually | $33.99 | per year |


## Frequently asked questions

### Is Mnemonizer free?

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

### Is OneVault Password Manager free?

OneVault Password Manager is free to download, with in-app purchases available.

### Which has better reviews, Mnemonizer or OneVault Password Manager?

OneVault Password Manager is rated higher. Mnemonizer averages 4.8 out of 5 from 4 ratings, while OneVault Password Manager averages 5.0 from 5 ratings.

### Do Mnemonizer or OneVault Password Manager have ads?

Neither Mnemonizer nor OneVault Password Manager shows ads.

### Which is updated more often, Mnemonizer or OneVault Password Manager?

Mnemonizer ships an update every 14 months, and OneVault Password Manager every 6 weeks. Most recently, Mnemonizer was updated on October 10, 2026 and OneVault Password Manager on October 11, 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.*