# FlowCrypt vs Plato Lock

The clearest difference is rating: Plato Lock at 5.0 against FlowCrypt's 4.0. Plato Lock also leads on update cadence (every 3 weeks vs every 4 months). FlowCrypt's advantage is ratings volume (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Plato Lock holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

FlowCrypt ships an update every 4 months, Plato Lock every 3 weeks. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | FlowCrypt | Plato Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/flowcrypt-encrypted-email/id1591754995/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plato-lock/id6479585944/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 28 MB | 5 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [FlowCrypt a. s.](https://appshunter.io/developer/1591462991) | [An Luu](https://appshunter.io/developer/1736343978) |

## What reviewers say

### FlowCrypt

[App page](https://appshunter.io/ios/app/flowcrypt-encrypted-email/id1591754995)

Easily encrypt your emails and attachments with PGP for enhanced privacy on Gmail. This app simplifies end-to-end encryption, making it accessible even without technical knowledge of cryptography. Secure your communications and files effortlessly.

**Highlights:** End-to-end PGP email encryption, Secure attachment encryption, Key generation and secure storage, Encrypted drafts, Password-protected encrypted messages, Compatibility with OpenPGP standards

**Features:** macOS Compatibility

**In-app purchases:** none


### Plato Lock

[App page](https://appshunter.io/ios/app/plato-lock/id6479585944)

Securely store and easily retrieve all your account information in one encrypted location. Your data is protected by Apple's encryption and synced via iCloud for safe and convenient access.

**Highlights:** Store account information, Easy retrieval, Apple encryption, iCloud sync, Secure data storage

**In-app purchases:** none


## Frequently asked questions

### Is FlowCrypt free?

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

### Is Plato Lock free?

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

### Which has better reviews, FlowCrypt or Plato Lock?

Plato Lock is rated higher. FlowCrypt averages 4.0 out of 5 from 3 ratings, while Plato Lock averages 5.0 from 1 ratings.

### Do FlowCrypt or Plato Lock have ads?

Neither FlowCrypt nor Plato Lock shows ads.

### Which is updated more often, FlowCrypt or Plato Lock?

FlowCrypt ships an update every 4 months, and Plato Lock every 3 weeks. Most recently, FlowCrypt was updated on September 30, 2026 and Plato Lock on October 4, 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.*