Comparison

Telegraph vs Binary Brain

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Morse code learning games
  • Themed play scenes
  • International Morse code chart
  • Historical communication practice
  • Fun and engaging gameplay
Features
Read full description

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.

About

Binary Brain

Features
Read full description

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

Telegraph4 screens
Binary Brain4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Telegraph costs $1.99 and Binary Brain $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 5 level
Telegraph versus Binary Brain: the parameters behind the verdict, then further details
ParameterTelegraphBinary Brain
Price$1.99$0.99 — better
Positive reviews20.0% of reviews—
Update frequencyEvery 4 months — betterEvery 38 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPad, iPod, Apple WatchiPhone, iPad, iPod, Apple Watch
Requires iOS9.0 — better13.0
Further details — not scored
Size70 MB6 MB
Age rating4+4+
Developer俊 姜George Chalkiadoudis

In-app purchases

None

Telegraph

No in-app purchases

None

Binary Brain

No in-app purchases

Questions

Is Telegraph free?
Telegraph costs $1.99, with no in-app purchases.
Is Binary Brain free?
Binary Brain costs $0.99, with no in-app purchases.
Do Telegraph or Binary Brain have ads?
Neither Telegraph nor Binary Brain shows ads.
Which is updated more often, Telegraph or Binary Brain?
Telegraph ships an update every 4 months, and Binary Brain every 38 months. Most recently, Telegraph was updated on September 17, 2026 and Binary Brain on September 21, 2026.

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