# ghostmemo vs Keywave.

The clearest difference is rating: ghostmemo at 5.0 against Keywave.'s 2.8. ghostmemo also leads on update cadence (monthly vs every 6 months). Keywave.'s advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. ghostmemo sells 2 in-app purchases, starting at $2.99 per month. Keywave. asks for nothing beyond the download.

ghostmemo holds the better App Store score, 5.0 against 2.8. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

ghostmemo ships an update monthly, Keywave. every 6 months. The most recent releases landed on October 1, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | ghostmemo | Keywave. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ghostmemo/id6740350700/reviews)** | [2.8 (4 ratings)](https://appshunter.io/ios/app/keywave/id6758056425/reviews) |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 months |
| Monetization | Freemium | **Free** |
| Size | 3 MB | 11 MB |
| Requires iOS | **17.2** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [COLIN DIVELY](https://appshunter.io/developer/1698804269) | [William Kelley](https://appshunter.io/developer/1870645864) |

## What reviewers say

### ghostmemo

[App page](https://appshunter.io/ios/app/ghostmemo/id6740350700)

Securely store private notes, passwords, and logs with end-to-end encryption. This app offers local encryption, Face ID/PIN protection, and an intuitive interface for easy data safeguarding. Keep your personal information private and accessible only to you.

**Highlights:** End-to-end encryption, Local data handling, Face ID/PIN authentication, Password storage, Health log keeping, Text formatting, Beginner encryption guide

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ghostmemo+ | $2.99 | per month |
| ghostmemo+ | $24.99 | per year |


### Keywave.

[App page](https://appshunter.io/ios/app/keywave/id6758056425)

Securely encrypt and decrypt messages directly on your device. Manage your PGP keys locally without any server interaction or data tracking. Offers robust key generation and import/export options with a clean interface.

**Highlights:** Encrypt and decrypt messages, Generate RSA keypairs, Manage unlimited keys, Import/export keys, Native SwiftUI interface, 100% local processing

**In-app purchases:** none


## Frequently asked questions

### Is ghostmemo free?

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

### Is Keywave. free?

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

### Which has better reviews, ghostmemo or Keywave.?

ghostmemo is rated higher. ghostmemo averages 5.0 out of 5 from 2 ratings, while Keywave. averages 2.8 from 4 ratings.

### Do ghostmemo or Keywave. have ads?

Neither ghostmemo nor Keywave. shows ads.

### Which is updated more often, ghostmemo or Keywave.?

ghostmemo ships an update monthly, and Keywave. every 6 months. Most recently, ghostmemo was updated on October 1, 2026 and Keywave. on September 17, 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.*