Comparison

Kenbak vs MTP Callsign Trainer

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

Head to head
About

Kenbak

Features
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Discover the history of computing with the Kenbak-1 Emulator! This emulator is not just a copy, but a carefully recreated digital version of the Kenbak-1, one of the first personal computers, released in 1971. Key Features: โ€ข Full Processor Emulation: Authentic emulation of all original Kenbak-1 instructions. โ€ข Interactive Front Panel: Replica of the control panel with working switches and LEDs. โ€ข Easy-to-use command input panel: Allows you to choose the specific processor instruction from the command panel and immediately store it in memory. โ€ข Memory Dump: Visual display of the contents of each memory location for debugging and analysis. โ€ข Save and Load Programs: Create, save, and load your own programs written for the Kenbak-1. โ€ข Documentation: Complete set of original Kenbak-1 documentation. โ€ข Settings: Option to adjust emulation speed and other parameters. The Kenbak-1 Emulator is the perfect tool for learning the fundamentals of computing, experimenting with machine code, and delving into computer history. It's a great way to understand how the first computers worked and how the foundations of the modern digital revolution were laid.

About

MTP Callsign Trainer

Features
Read full description

MTP Callsign Trainer is built for operators who want to read callsigns quickly and accurately. It focuses on the patterns you actually hear on the air: prefixes, suffixes, portable indicators, and regional formats. Choose your difficulty level and session length, then copy live-style callsigns at speed. The feedback is straightforward so you can spot common errors and adjust pacing without getting lost in extra features. Callsign copying is a unique skill because the format changes by region and by operating style. This trainer emphasizes variety so you can recognize common structures without hesitation. It is ideal for contest preparation, sked practice, or everyday CW readiness. Sessions are short enough to fit into a break, yet structured enough to build confidence over time. You can use the trainer as a daily warmup or as a focused block when you notice certain prefixes or suffixes slowing you down. The goal is steady recognition and a relaxed copy flow, not just speed for its own sake. That makes it useful for both new operators and experienced contesters who want consistent accuracy. Because it is a dedicated micro-app, there are no distractions from other modules. Just start a session, copy what you hear, and build confidence one call at a time. MTP Callsign Trainer is part of the Morse Trainer Pro ecosystem, giving you a consistent training feel while concentrating on a single skill.

Screenshots

Kenbak3 screens
MTP Callsign Trainer4 screens

Verdict

The call

The clearest difference is device support: MTP Callsign Trainer at 3 against Kenbak's 1. MTP Callsign Trainer also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Kenbak ships an update monthly, MTP Callsign Trainer every 6 weeks. Both last shipped on October 25, 2026.

Scorecard2 real differences ยท 4 level
Kenbak versus MTP Callsign Trainer: the parameters behind the verdict, then further details
ParameterKenbakMTP Callsign Trainer
PriceFreeFree
Update frequencyMonthly โ€” betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS17.015.1 โ€” better
Further details โ€” not scored
Size26 MB49 MB
Age rating4+4+
DeveloperTakhir ZakirovOliver Bross

In-app purchases

None

Kenbak

No in-app purchases

None

MTP Callsign Trainer

No in-app purchases

Questions

Is Kenbak free?
Kenbak is free to download, with no in-app purchases.
Is MTP Callsign Trainer free?
MTP Callsign Trainer is free to download, with no in-app purchases.
Do Kenbak or MTP Callsign Trainer have ads?
Neither Kenbak nor MTP Callsign Trainer shows ads.
Which is updated more often, Kenbak or MTP Callsign Trainer?
Kenbak ships an update monthly, and MTP Callsign Trainer every 6 weeks. Most recently, Kenbak was updated on October 25, 2026 and MTP Callsign Trainer on October 25, 2026.

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