# Technology Readiness Levels vs Password Manager

The clearest difference is rating: Technology Readiness Levels at 5.0 against Password Manager's 4.1. Technology Readiness Levels also leads on in-app purchases (none vs 2) and ads (none vs shown). Password Manager's advantage is ratings volume (320 vs 2) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Password Manager sells 2 in-app purchases, starting at $4.99 per month. Technology Readiness Levels asks for nothing beyond the download.

Technology Readiness Levels holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Password Manager has 320 ratings behind it against 2, so its average is the more settled of the two.

Technology Readiness Levels ships an update every 8 months, Password Manager every 5 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Technology Readiness Levels | Password Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/technology-readiness-levels/id644843941/reviews)** | [4.1 (320 ratings)](https://appshunter.io/ios/app/password-manager-protect/id1474193684/reviews) |
| Number of ratings | 2 | **320** |
| Positive reviews | — | 8.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 5 months** |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 47 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Russell Shannon](https://appshunter.io/developer/505317310) | [Maple Labs Co., Ltd](https://appshunter.io/developer/1320450180) |

## What reviewers say

### Technology Readiness Levels

[App page](https://appshunter.io/ios/app/technology-readiness-levels/id644843941)

Quickly access definitions and descriptions for Department of Defense and NASA Technology Readiness Levels (TRLs). Understand the distinctions between different TRL stages and their supporting information.

**Highlights:** DoD and NASA TRL definitions, Detailed descriptions for each TRL, Supporting information (DoD), SETR Process alignment (DoD), Quick reference guide

**Features:** Vision Pro support

**In-app purchases:** none


### Password Manager

[App page](https://appshunter.io/ios/app/password-manager-protect/id1474193684)

Securely store and manage all your passwords and personal information. This app offers unlimited storage, auto-fills strong passwords, and provides advanced security features like fingerprint login and data encryption. Keep your digital life protected with automatic backups and rapid search.

**Highlights:** Unlimited password storage, Strong password generator, Auto-fill passwords, Cloud sync, Fingerprint login, Secret notes keeper, Automatic data backup

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |
| Premium | $19.99 | per year |

**What reviewers like**

- 👍 Like it very very much
- 👍 Great for being free

**What reviewers complain about**

- 🐛 Loses passwords repeatedly
- 🐛 Deleted all passwords
- 🐛 Passwords mysteriously wiped clean
- 🐛 App kept crashing
- 🐛 Passwords changed unexpectedly

**Reported bugs**

- Mobile App keeps losing passwords
- All passwords that I had saved are gone
- This app deleted all of my passwords
- All of my stored PW’s have been mysteriously wiped clean
- After turning on cloud sync I could no longer open most of my passwords

**Requested features**

- Way to update passwords or logins
- Instructions on how to use this app


## Frequently asked questions

### Is Technology Readiness Levels free?

Technology Readiness Levels is free to download, with no in-app purchases.

### Is Password Manager free?

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

### Which has better reviews, Technology Readiness Levels or Password Manager?

Technology Readiness Levels is rated higher. Technology Readiness Levels averages 5.0 out of 5 from 2 ratings, while Password Manager averages 4.1 from 320 ratings.

### Do Technology Readiness Levels or Password Manager have ads?

Password Manager shows ads; Technology Readiness Levels does not.

### Which is updated more often, Technology Readiness Levels or Password Manager?

Technology Readiness Levels ships an update every 8 months, and Password Manager every 5 months. Most recently, Technology Readiness Levels was updated on November 1, 2026 and Password Manager on November 6, 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.*