--- title: "UltraTrainer — App Overview" url: https://marlvel.ai/apps/ultratrainer category: Health & Fitness developer: Plain and Simple Software platforms: ios rating: 3.9 (9 ratings) pricing: paid report_level: overview generated: 2026-04-28 last_verified: "2026-04-28T09:21:21.821Z" --- > **Key Insight:** While the app offers a unique, highly-valued training methodology, recent user reports indicate critical stability issues and a lack of active developer support. | Metric | Value | |--------|-------| | Category | Health & Fitness | | Rating | 3.9 ★ (9) | | Pricing | paid | | Platforms | iOS | | Latest Version (iOS) | 7.5 | | Developer | Plain and Simple Software | ## What is UltraTrainer? UltraTrainer is a specialized interval timer designed for athletes to improve reaction time and adaptability during solo training. It distinguishes itself by offering both traditional interval routines and unique Randomized Action Intervals that provide audio cues for specific drills. ## Key Features - **Traditional Intervals**: Supports standard duration-based routines commonly used for HIIT and Tabata workouts. - **Randomized Action Intervals**: Provides audio cues for specific actions or combinations at random intervals to simulate unpredictable training environments. - **Custom Drill Recording**: Allows users to record and integrate their own custom audio cues for personalized training sessions. ## Who is it for? Athletes and martial artists seeking to enhance reaction speed and training intensity through randomized, guided drills. ## Links - [App Store](https://apps.apple.com/us/app/ultratrainer/id343700506?uo=4) - [Full Intelligence Report](https://marlvel.ai/apps/ultratrainer) --- *This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/ultratrainer).* *Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*