# TapCrypter vs Sub Cipher

The clearest difference is review sentiment: Sub Cipher at 100% against TapCrypter's 20%. Sub Cipher also leads on price (Free vs $0.99) and rating (3.8 vs 1.0). On ratings volume, update cadence, ads and iOS requirement there is nothing between them.

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

Sub Cipher holds the better App Store score, 3.8 against 1.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews point the same way: 20% of TapCrypter's written reviews are positive against 100% of Sub Cipher's.

TapCrypter ships an update every 4 months, Sub Cipher every 7 months. The most recent releases landed on August 25, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | TapCrypter | Sub Cipher |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/tapcrypter/id379047171/reviews) | **[3.8 (4 ratings)](https://appshunter.io/ios/app/sub-cipher/id1582898316/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | 20.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 7 months |
| Monetization | Paid | **Free** |
| Size | 2 MB | 40 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [碧珍 刘](https://appshunter.io/developer/372781020) | [Eduard Schwan](https://appshunter.io/developer/594336989) |

## 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 |


### Sub Cipher

[App page](https://appshunter.io/ios/app/sub-cipher/id1582898316)

Easily encode and decode messages using simple substitution ciphers like Caesar and Atbash. Convert up to 2,000 characters at a time and save your cipher settings for later use. Ideal for fun educational purposes, not for serious secret messaging.

**Highlights:** Encode/decode simple substitution ciphers, Supports Caesar and Atbash cipher methods, Converts up to 2,000 characters at once, Save cipher settings as text, Create magic decoder wheels, No licensing or royalties required for published ciphers

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is TapCrypter free?

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

### Is Sub Cipher free?

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

### Which has better reviews, TapCrypter or Sub Cipher?

Sub Cipher is rated higher. TapCrypter averages 1.0 out of 5 from 2 ratings, while Sub Cipher averages 3.8 from 4 ratings.

### Do TapCrypter or Sub Cipher have ads?

Neither TapCrypter nor Sub Cipher shows ads.

### Which is updated more often, TapCrypter or Sub Cipher?

TapCrypter ships an update every 4 months, and Sub Cipher every 7 months. Most recently, TapCrypter was updated on August 25, 2026 and Sub Cipher on September 12, 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.*