# ExpressKeys vs Muster

The clearest difference is rating: Muster at 5.0 against ExpressKeys's 4.2. Muster also leads on in-app purchases (none vs 4) and update cadence (every 2 days vs every 8 days). ExpressKeys's advantage is ratings volume (29 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. ExpressKeys sells 4 in-app purchases, starting at $1.99 per month. Muster asks for nothing beyond the download.

Muster holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: ExpressKeys has 29 ratings behind it against 2, so its average is the more settled of the two.

ExpressKeys ships an update every 8 days, Muster every 2 days. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | ExpressKeys | Muster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (29 ratings)](https://appshunter.io/ios/app/expresskeys-password-manager/id6748346556/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/muster-readiness-tracker/id6786010473/reviews)** |
| Number of ratings | **29** | 2 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 2 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 159 MB | 28 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Express VPN](https://appshunter.io/developer/1687252195) | [Muster Readiness LLC](https://appshunter.io/developer/6786010475) |

## What reviewers say

### ExpressKeys

[App page](https://appshunter.io/ios/app/expresskeys-password-manager/id6748346556)

Securely store, autofill, and manage all your passwords, credit cards, and sensitive data. This password manager uses end-to-end, zero-knowledge encryption to protect your information across all your devices, helping you create strong, unique passwords and avoid data breaches.

**Highlights:** Unlimited password storage, Cross-device synchronization, Zero-knowledge encryption, Password generator, Autofill for apps and websites, Secure notes and credit card storage

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Subscription | $1.99 | per month |
| 1-Month Subscription | $11.99 | per month |
| 12-Month Subscription | $19.99 | per year |
| 12-Month Subscription | $79.99 | per year |


### Muster

[App page](https://appshunter.io/ios/app/muster-readiness-tracker/id6786010473)

This app helps U.S. Army Reserve soldiers track their readiness across personnel, training, and medical requirements. It provides a quick overview of what's current, due soon, or overdue, and directs users to the necessary systems for completion. Leaders can also use it to build squad readiness pictures via QR code sharing.

**Highlights:** Readiness tracking (personnel, security, training, fitness, medical), Status at a glance (current, due soon, overdue), Directs to required systems and steps, Logs completed tasks and dates, Leader mode for squad/platoon readiness, QR code status sharing, Local data storage, no account or server

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

**In-app purchases:** none


## Frequently asked questions

### Is ExpressKeys free?

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

### Is Muster free?

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

### Which has better reviews, ExpressKeys or Muster?

Muster is rated higher. ExpressKeys averages 4.2 out of 5 from 29 ratings, while Muster averages 5.0 from 2 ratings.

### Do ExpressKeys or Muster have ads?

Neither ExpressKeys nor Muster shows ads.

### Which is updated more often, ExpressKeys or Muster?

ExpressKeys ships an update every 8 days, and Muster every 2 days. Most recently, ExpressKeys was updated on October 4, 2026 and Muster on September 30, 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.*