Telegraph vs Binary Brain
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.
Binary Brain
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This is an arbitrary-precision binary calculator for iOS and watchOS. It can add, subtract, multiply, or divide two or more binary numbers. It can operate on very large integers and very small fractional values. This calculator is, by design, very simple. You can use it to explore binary numbers in their most basic form. It operates on binary numbers (positive and negative). Although designed to be simple, it is an excellent educational tool as well. It keeps track of the calculation in order to let the user verify the calculation. It converts automatically and in real time the latest number in decimal and hexadecimal format. It also converts the latest number in IEEE 754 binary32 (Single-precision floating-point format) format (not available in watchOS version). This calculator is able to calculate bitwise AND, OR, NAND, NOR, XOR and XNOR operations. Moreover, it is possible to perform bit shift operations (not available in watchOS version).
Screenshots
Verdict
The clearest difference is update cadence: Telegraph at every 4 months against Binary Brain's every 38 months. Telegraph also leads on iOS requirement (9.0 vs 13.0). Binary Brain's advantage is price ($0.99 vs $1.99). 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
Telegraph costs $1.99 and Binary Brain $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Telegraph ships an update every 4 months, Binary Brain every 38 months. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.
| Parameter | Telegraph | Binary Brain |
|---|---|---|
| Price | $1.99 | $0.99 — better |
| Positive reviews | 20.0% of reviews | — |
| Update frequency | Every 4 months — better | Every 38 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 70 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊 姜 | George Chalkiadoudis |
In-app purchases
Telegraph
No in-app purchases
Binary Brain
No in-app purchases
Questions
Is Telegraph free?
Is Binary Brain free?
Do Telegraph or Binary Brain have ads?
Which is updated more often, Telegraph or Binary Brain?
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