Telegraph vs Sudo Encrypt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Telegraph
Learn and practice Morse code through engaging games. Explore various themed scenes to test your knowledge and recall the historical significance of this communication system. A fun way to master the international Morse code alphabet.
- Morse code learning games
- Themed play scenes
- International Morse code chart
- Historical communication practice
- Fun and engaging gameplay
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HOW TO MEMORIZE MORSE CODE AND HAVE FUN? EASY ANSWER:BY PLAYING GAMES. LET’S PLAY TELEGRAPH AND RECOLLECT THE GOOD OLD DAYS! YOU CAN CHOOSE DIFFERENT SCENES TO PLAY WITH, AS FOLLOWING: - Mona Lisa's secret smile - Espionage Finger Signaling - Sistine Chapel Ceiling by Michelangelo - The Creation of Adam - Burj Khalifa up in the air - Butterflies Flapping - Bunny Winking - Panda Laid Back - Wartime Propaganda Posters - Uncle Sam - Rosie The Riveter - Ukiyo-E Prints - Chimps Smiling - Signal Lamp - Lightning - Traditional Telegraph-Use in Military - Missile Firing - Oil Lamp - Flower Blooming - Statue of Liberty Holding the Torch INTERNATIONAL MORSE CODE A •ー B ー••• C ー•ー• D ー•• E • F ••ー• G ーー• H •••• I •• J •ーーー K ー•ー L •ー•• M ーー N ー• O ーーー P •ーー• Q ーー•ー R •ー• S ••• T ー U ••ー V •••ー W •ーー X ー••ー Y ー•ーー Z ーー•• Morse code has been in use for more than 160 years, longer than any other electrical coding system. International Morse code today is most popular among amateur radio operators. Morse code has been employed as an assistive technology, helping people with a variety of disabilities to communicate.
Sudo Encrypt
Securely encrypt and decrypt messages using RSA encryption. Generate your own keypairs, import others' public keys, and sign/verify message signatures. Seamlessly integrate with iMessage for easy sharing of encrypted content.
- Generate RSA keypairs locally
- Encrypt messages with public keys
- Decrypt messages with private keys
- Sign and verify message signatures
- iMessage extension for seamless integration
- Embed encrypted messages as iMessage objects
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- Generate RSA keypairs locally - Import others' public keys and encrypt messages to send to others - Decrypt messages others sent to you with your private key - Sign / Verify message signature Best of all, encryption and decryption of messages can be done directly in the iMessage app. When using the in-app extension, you no longer have to send a long piece of string, the encrypted message is embedded into an iMessage object so the other side can just click and decrypt.
Screenshots
Verdict
The clearest difference is review sentiment: Sudo Encrypt at 100% against Telegraph's 20%. Sudo Encrypt also leads on price (Free vs $1.99) and update cadence (every 9 days vs every 4 months). Telegraph's advantage is iOS requirement (9.0 vs 13.0). On ads, in-app purchases and device support 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
Sudo Encrypt is free to download; Telegraph costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Telegraph ships an update every 4 months, Sudo Encrypt every 9 days. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.
| Parameter | Telegraph | Sudo Encrypt |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 4.7 (6 ratings) — better |
| Positive reviews | 20.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 6 — better |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 70 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊 姜 | Shunzhe Ma |
Customer experience
Telegraph
Sudo Encrypt
In-app purchases
Telegraph
No in-app purchases
Sudo Encrypt
No in-app purchases









