# Password 4 Pro vs Stereo Microphone

The clearest difference is price: Password 4 Pro at Free against Stereo Microphone's $2.99. Password 4 Pro also leads on update cadence (fortnightly vs every 6 weeks). Stereo Microphone's advantage is rating (4.4 vs 2.5) and review sentiment (85% vs 44%). On device support and iOS requirement there is nothing between them.

Password 4 Pro is free to download; Stereo Microphone costs $2.99 up front. Password 4 Pro sells 3 in-app purchases, starting at $0.99 per month. Stereo Microphone asks for nothing beyond the download.

Stereo Microphone holds the better App Store score, 4.4 against 2.5. Both are backed by a comparable volume of ratings — 2 and 9 respectively. Written reviews point the same way: 44% of Password 4 Pro's written reviews are positive against 85% of Stereo Microphone's.

Password 4 Pro ships an update fortnightly, Stereo Microphone every 6 weeks. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Password 4 Pro | Stereo Microphone |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [2.5 (2 ratings)](https://appshunter.io/ios/app/password-4-pro/id570632076/reviews) | **[4.4 (9 ratings)](https://appshunter.io/ios/app/stereo-microphone/id6449208745/reviews)** |
| Number of ratings | 2 | **9** |
| Positive reviews | 44.3% of reviews | **85.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 13 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gerinn LLC](https://appshunter.io/developer/537042831) | [Ryouta Kira](https://appshunter.io/developer/862984358) |

## What reviewers say

### Password 4 Pro

[App page](https://appshunter.io/ios/app/password-4-pro/id570632076)

Securely manage all your passwords and sensitive information with military-level encryption. This app offers local backups, a secure notebook, and the ability to store images like credit cards. It features biometric unlock and an anti-screenshot function for enhanced privacy.

**Highlights:** Local data backup, Secure notebook, Save image information, Generate random passwords, Biometric unlock, Anti-screenshot

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Quarterly | $1.99 | per 3 months |
| Annual | $5.99 | per year |


### Stereo Microphone

[App page](https://appshunter.io/ios/app/stereo-microphone/id6449208745)

Transform your device into a powerful microphone or audio recorder. Enhance your sound with built-in effects like pitch shifting and equalization, and choose from various high-quality recording formats.

**Highlights:** Device as microphone, Audio recording, Pitch shifter effect, 10-band equalizer, Multiple recording formats, Noise reduction, System voice processing

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Password 4 Pro free?

Password 4 Pro is free to download, with in-app purchases available.

### Is Stereo Microphone free?

Stereo Microphone costs $2.99, with no in-app purchases.

### Which has better reviews, Password 4 Pro or Stereo Microphone?

Stereo Microphone is rated higher. Password 4 Pro averages 2.5 out of 5 from 2 ratings, while Stereo Microphone averages 4.4 from 9 ratings.

### Do Password 4 Pro or Stereo Microphone have ads?

Password 4 Pro shows ads; Stereo Microphone does not.

### Which is updated more often, Password 4 Pro or Stereo Microphone?

Password 4 Pro ships an update fortnightly, and Stereo Microphone every 6 weeks. Most recently, Password 4 Pro was updated on October 20, 2026 and Stereo Microphone on October 25, 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.*