# MTP Callsign Trainer — Practice real-world callsigns

> Practice real-world callsigns (iPhone/iPad app by Oliver Bross.)

- Source: https://appshunter.io/ios/app/mtp-callsign-trainer/id6758036106 (this page in markdown: same URL + `.md`)
- Developer: [Oliver Bross](https://appshunter.io/developer/1859081127)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 15.1 · 44 MB
- Languages: American English
- Released: 2026-03-10
- Data updated: 2026-07-29
- User reviews in markdown: https://appshunter.io/ios/app/mtp-callsign-trainer/id6758036106/reviews.md

## What is MTP Callsign Trainer?

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.


## Version history (last 2 releases)

### 1.1.0 — 2026-07-24

- Fixed completed-session statistics occasionally omitting the final callsign.
- Fixed the uploaded session summary so totals, accuracy, score, streak, and average response time include the final answer.
- Prevented multiple submissions during the CWOps answer-reveal delay.
- Improved pause and audio cleanup behavior.
- Ensured the generated session reaches the selected callsign count, including narrowly filtered callsign sets.

### 1.0 — 2026-03-10

No release notes.

## More apps by Oliver Bross

- [Morse Trainer Pro](https://appshunter.io/ios/app/morse-trainer-pro/id6756198226)
- [MTP Koch Trainer](https://appshunter.io/ios/app/mtp-koch-trainer/id6758011286)
- [MTP Morse Machine](https://appshunter.io/ios/app/mtp-morse-machine/id6758011352)
- [MTP Code Groups](https://appshunter.io/ios/app/mtp-code-groups/id6758036053)
- [MTP CW Speech](https://appshunter.io/ios/app/mtp-cw-speech/id6758036165)

All apps by Oliver Bross: https://appshunter.io/developer/1859081127

## Related topics

[mtp callsign trainer](https://appshunter.io/ios/topics/mtp-callsign-trainer) · [callsign](https://appshunter.io/ios/topics/callsign)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*