TapCrypter vs Sub Cipher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TapCrypter
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.
- 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
Read full descriptionHide full description
TapCrypter is an offline encrypted vault for passwords, recovery codes, private notes, and other sensitive text. Create encrypted local cards, protect them with a master password, and keep your private information on your device. TapCrypter does not require an account, cloud sync, or network connection for its core vault features. Key Features: • Create encrypted cards for passwords, backup codes, notes, and private text • Store encrypted cards locally on your device • Unlock cards with your master password • Import and export encrypted cards as text, files, or QR codes • Scan QR codes with the camera or import QR images from Photos • Generate printable recovery cards for offline backup • Optional Face ID or Touch ID app lock • Clipboard auto-clear after copying sensitive content • English and Simplified Chinese support Privacy First: TapCrypter is designed for offline use. Your encrypted cards stay on your device unless you choose to export, print, or share them. Master passwords are not stored. TapCrypter is built for people who want a simple, private way to keep sensitive text encrypted and close at hand — without relying on cloud storage or online accounts. Privacy Policy: http://mindkey.xyz/index.php/zensee-studio/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Sub Cipher
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.
- 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
Read full descriptionHide full description
Sub Cipher is an easy-to-use Encoder/Decoder app, which can encode or decode your text using various "simple substitution" cipher methods. * Simply type or copy-paste your encoded or decoded text to and from e-mail, messages, social media, and it is immediately converted for you. Up to 2,000 characters can be converted at a time. Sub Cipher offers you the encoded text, placeholder-text, and even a magic decoder wheel that you can add to your own books and publications. You can also capture the cipher settings you have dialed in (as lines of text) to save in another document. This can be useful if you are publishing a newsletter or book of ciphers, and want to keep a record of the settings you used with each cipher along with the cipher itself. Main Features: *Easy to use: Type into the plain-text or the cypher-text box, and the converted text is immediately displayed. *Easy to transfer: You can select all the converted text and paste it into any other text document. *Easy to adjust: Any substitution offset, forward or reverse can be dialed in. *Easy to save: The settings you dial in can also be saved as text for your notes. *Easy to publish: Any ciphers you make are 100% yours to publish and sell; no copyright restrictions or restrictive "commercial use" clauses here. *Forever Free: Download this software once and it is yours forever. You get all future new features and updates free. No upgrade costs or "subscription/rental" fees. Ever. *No Ads: You are never distracted from enjoying my software. *Human-Made: This software was completely and carefully hand-designed and written by me. No A.I. toys were allowed anywhere near this software. *Private: Your work is safely yours and always stays on your computer. You are never required to create internet accounts, and none of your information is ever stored in the cloud. * Caveat Emptor: It uses the "Caesar" and "Atbash" style cipher methods, which are simple offset-alphabet ciphers. The well-known "Rot13" cipher is one of these. These ancient styles of ciphers are very simple and easy to decode! This is simply a fun educational utility, and is not intended for serious "secret message" work.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | TapCrypter | Sub Cipher |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (2 ratings) | 3.8 (4 ratings) — better |
| Positive reviews | 20.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 4 — better |
| Update frequency | Every 4 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 | 16.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | 碧珍 刘 | Eduard Schwan |
Customer experience
TapCrypter
Sub Cipher
In-app purchases
TapCrypter
- TapCrypter Pro$0.99
Sub Cipher
No in-app purchases









