# TapCrypter vs MarsText

The clearest difference is price: MarsText at Free against TapCrypter's $0.99. MarsText also leads on in-app purchases (none vs 1) and device support (3 vs 1). TapCrypter's advantage is ads (none vs shown). On update cadence there is nothing between them.

MarsText is free to download; TapCrypter costs $0.99 up front. TapCrypter sells 1 one-off in-app purchase. MarsText asks for nothing beyond the download.

TapCrypter ships an update every 4 months, MarsText every 5 months. The most recent releases landed on September 24, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | TapCrypter | MarsText |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/tapcrypter/id379047171/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Paid | — |
| Size | 2 MB | 7 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [碧珍 刘](https://appshunter.io/developer/372781020) | [文龙 陈](https://appshunter.io/developer/1502871749) |

## What reviewers say

### TapCrypter

[App page](https://appshunter.io/ios/app/tapcrypter/id379047171)

Securely encrypt and decrypt private messages, emails, and SMS. Protect sensitive data like passwords and credit card information from prying eyes. This app converts regular text into unreadable cipher-text, requiring a password for decryption.

**Highlights:** Encrypt and decrypt messages, SMS, and emails, Password protection for sensitive data, Automatic email composition with encrypted messages, Copy/Paste functionality, Symmetric-key encryption, Contact information integration

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TapCrypter Pro | $0.99 | one-time |


### MarsText

[App page](https://appshunter.io/ios/app/marstext/id1544023803)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TapCrypter free?

TapCrypter costs $0.99, and also offers in-app purchases.

### Is MarsText free?

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

### Do TapCrypter or MarsText have ads?

MarsText shows ads; TapCrypter does not.

### Which is updated more often, TapCrypter or MarsText?

TapCrypter ships an update every 4 months, and MarsText every 5 months. Most recently, TapCrypter was updated on September 24, 2026 and MarsText on September 11, 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.*