# Password Memory Master vs UTH

The clearest difference is in-app purchases: UTH at none against Password Memory Master's 4. UTH also leads on update cadence (weekly vs monthly). Password Memory Master's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Password Memory Master sells 4 in-app purchases, starting at $0.99 per month. UTH asks for nothing beyond the download.

Password Memory Master ships an update monthly, UTH weekly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Password Memory Master | UTH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/uth-under-the-hood/id6802318001/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | — | Free |
| Size | 95 MB | 92 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [燕丹 邹](https://appshunter.io/developer/1693995882) | [Under The Hood Nation LLC](https://appshunter.io/developer/6802318003) |

## What reviewers say

### Password Memory Master

[App page](https://appshunter.io/ios/app/password-memory-master/id6503299827)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription - 1 month | $0.99 | per month |
| Subscription - 6 months | $1.99 | per 6 months |
| Subscription - 12 months | $2.99 | per year |
| Permanent authorization | $6.99 | one-time |


### UTH

[App page](https://appshunter.io/ios/app/uth-under-the-hood/id6802318001)

Manage your vehicle's entire history, from maintenance and parts to fuel logs and diagnostic scans. Connect a compatible scanner to view real-time data and error codes, and get automotive guidance from an AI assistant.

**Highlights:** Vehicle record keeping, Maintenance and parts logging, Fuel and findings tracking, Diagnostic code reading, Live vehicle data, AI automotive assistant, Offline report generation

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

**In-app purchases:** none


## Frequently asked questions

### Is Password Memory Master free?

Password Memory Master is free to download, with in-app purchases available.

### Is UTH free?

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

### Do Password Memory Master or UTH have ads?

Neither Password Memory Master nor UTH shows ads.

### Which is updated more often, Password Memory Master or UTH?

Password Memory Master ships an update monthly, and UTH weekly. Most recently, Password Memory Master was updated on October 25, 2026 and UTH 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.*