# FlowCrypt vs LockWhisper

The clearest difference is review sentiment: FlowCrypt at 50% against LockWhisper's 0%. FlowCrypt also leads on in-app purchases (none vs 4). LockWhisper's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LockWhisper sells 4 one-off in-app purchases. FlowCrypt asks for nothing beyond the download.

FlowCrypt ships an update every 4 months, LockWhisper every 3 weeks. The most recent releases landed on August 16, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | FlowCrypt | LockWhisper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/flowcrypt-encrypted-email/id1591754995/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | **Free** | Freemium |
| Size | 28 MB | 23 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [FlowCrypt a. s.](https://appshunter.io/developer/1591462991) | [Nevv Atlantis LLC](https://appshunter.io/developer/1785977795) |

## 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


### LockWhisper

[App page](https://appshunter.io/ios/app/lockwhisper/id6739545636)

This app provides a secure, offline vault for all your sensitive data, using military-grade encryption. It offers features like password management, encrypted notes, secure browsing, and dual-password protection for enhanced privacy. Your data remains entirely on your device, with no cloud sync or tracking.

**Highlights:** Offline security and encryption, Dual-password system for plausible deniability, AES-256 encryption for all data, Password manager with AutoFill, Encrypted notes and journal editor, Secure browser and QR code scanner, Cross-device sync via peer-to-peer

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip $1 | $0.99 | one-time |
| Tip $3 | $2.99 | one-time |
| LockWhisper Pro | $4.99 | one-time |
| Tip $5 | $4.99 | one-time |


## Frequently asked questions

### Is FlowCrypt free?

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

### Is LockWhisper free?

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

### Do FlowCrypt or LockWhisper have ads?

Neither FlowCrypt nor LockWhisper shows ads.

### Which is updated more often, FlowCrypt or LockWhisper?

FlowCrypt ships an update every 4 months, and LockWhisper every 3 weeks. Most recently, FlowCrypt was updated on August 16, 2026 and LockWhisper on July 21, 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.*