# Guardian Keyper vs mEinstein

The clearest difference is rating: Guardian Keyper at 5.0 against mEinstein's 3.5. Guardian Keyper also leads on ads (none vs shown) and monetization model (free vs ad-supported). mEinstein's advantage is ratings volume (4 vs 1). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Guardian Keyper holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Guardian Keyper ships an update monthly, mEinstein every 2 weeks. Both last shipped on October 14, 2026.

## The numbers

| Metric | Guardian Keyper | mEinstein |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/guardian-keyper/id1637977332/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/meinstein/id6446581528/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 53 MB | 469 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Guardian Labs Limited](https://appshunter.io/developer/1637977334) | [mEinstein LLC](https://appshunter.io/developer/1529132342) |

## What reviewers say

### Guardian Keyper

[App page](https://appshunter.io/ios/app/guardian-keyper/id1637977332)

Securely back up your digital secrets like passwords and seed phrases using decentralized social recovery. Encrypt and fragment your data across trusted devices, ensuring only you can access it.

**Highlights:** Decentralized social recovery, Encrypts and fragments digital secrets, Trusted Guardian device network, PGP-style asymmetric cryptography, Open-source for transparency, Mitigates single points of failure

**Features:** macOS Compatibility

**In-app purchases:** none


### mEinstein

[App page](https://appshunter.io/ios/app/meinstein/id6446581528)

This app empowers users to control and monetize their personal data through an ethical marketplace. It also acts as an AI companion, offering personalized insights and recommendations powered by generative models. Your data is stored locally, ensuring privacy and security.

**Highlights:** Ethical data marketplace, AI companion with LLM, Personalized recommendations, Data ownership and control, Local data storage, Transparent data monetization

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Guardian Keyper free?

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

### Is mEinstein free?

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

### Which has better reviews, Guardian Keyper or mEinstein?

Guardian Keyper is rated higher. Guardian Keyper averages 5.0 out of 5 from 1 ratings, while mEinstein averages 3.5 from 4 ratings.

### Do Guardian Keyper or mEinstein have ads?

mEinstein shows ads; Guardian Keyper does not.

### Which is updated more often, Guardian Keyper or mEinstein?

Guardian Keyper ships an update monthly, and mEinstein every 2 weeks. Most recently, Guardian Keyper was updated on October 14, 2026 and mEinstein on October 14, 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.*