---
title: "Interval Timer ++ — App Overview"
url: https://marlvel.ai/intel-report/health-fitness/interval-timer-1
category: Health & Fitness
developer: Sunny Studio
platforms: ios, android
rating: 4.9 (266K ratings)
pricing: freemium
report_level: overview
generated: 2026-04-24
last_verified: "2026-04-24T01:13:32.233Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** While the app offers a highly-rated, visual interface for interval training, users report potential issues with audio reliability and background interruptions during phone calls.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Health & Fitness |
| Rating | 4.9 ★ (266K) |
| Pricing | freemium |
| Platforms | iOS, Android |
| Latest Version (iOS) | 4.3.3 |
| Latest Version (Android) | VARY |
| Developer | Sunny Studio |

<!-- SECTION: Summary -->
## What is Interval Timer ++?

Interval Timer ++ is a Health & Fitness app designed for customizable interval training, supporting both iPhone and Apple Watch. It features a calendar-based workout history and HealthKit integration to track user activity data.

<!-- SECTION: Key Features -->
## Key Features

- **Customizable Interval Timers**: Allows users to set specific durations for workouts, rest periods, and repetition counts.
- **HealthKit Integration**: Syncs with the Apple Health app to track and display step data.
- **Multi-Platform Support**: Provides native functionality across both iPhone and Apple Watch devices.
- **Background Execution**: Supports background notifications to maintain timer continuity while using other apps or when the screen is locked.

<!-- SECTION: Target Audience -->
## Who is it for?

Fitness enthusiasts seeking a simple, visual tool to manage timed workout and rest intervals.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/interval-timer/id1327053127?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=cc.dreamspark.intervaltimer&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/health-fitness/interval-timer-1)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/health-fitness/interval-timer-1).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*