# Tabata Timer and HIIT Timer vs Define139 Metabolic Mapping

The clearest difference is in-app purchases: Define139 Metabolic Mapping at none against Tabata Timer and HIIT Timer's 2. Define139 Metabolic Mapping also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Tabata Timer and HIIT Timer sells 2 in-app purchases, starting at $19.99 per year. Define139 Metabolic Mapping asks for nothing beyond the download.

Tabata Timer and HIIT Timer ships an update every 3 weeks, Define139 Metabolic Mapping every 4 weeks. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Tabata Timer and HIIT Timer | Define139 Metabolic Mapping |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (74K ratings)](https://appshunter.io/ios/app/tabata-timer-and-hiit-timer/id664563975/reviews)** | — |
| Number of ratings | **74K** | — |
| Positive reviews | 79.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 45 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Anuj Seth](https://appshunter.io/developer/486885281) | [GG Quesenberry, Inc](https://appshunter.io/developer/1767788317) |

## What reviewers say

### Tabata Timer and HIIT Timer

[App page](https://appshunter.io/ios/app/tabata-timer-and-hiit-timer/id664563975)

This interval training app automates your exercise, rest, and cooldown periods for various workouts like Tabata, HIIT, and sprints. It offers customizable intervals, voice guidance, and music integration to enhance focus and workout efficiency. Track your progress with Apple Health integration.

**Highlights:** Automated exercise and rest intervals, Customizable workout presets, Voice and beep guidance, Music integration, Apple Health support, Color-coded display

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Features Subscription | $19.99 | per year |
| Pro Features | $19.99 | one-time |

**What reviewers like**

- 🚀 Versatile and customizable
- 👍 Easy to use interface
- 🎨 Helpful voice prompts and audio cues
- 💪 Effective for HIIT and circuit training
- 🎶 Ability to play music during workouts

**What reviewers complain about**

- 🔒 Limited free version with restrictions
- 🐛 Inconsistent behavior when pausing/resuming
- 🔍 Lack of visual indicators for exercise progress
- 🔊 Loud audio alerts that can't be adjusted
- 🔁 Inability to edit saved workout presets

**Reported bugs**

- App freezing or crashing on some devices
- Purchased pro version not restoring properly
- Inconsistent behavior when switching between apps

**Requested features**

- Ability to label and customize individual intervals
- Option to create more complex interval sequences
- Integration with wearable devices and fitness trackers
- Customizable audio alerts and voice prompts
- Improved workout history and progress tracking


### Define139 Metabolic Mapping

[App page](https://appshunter.io/ios/app/define139-metabolic-mapping/id6673904775)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tabata Timer and HIIT Timer free?

Tabata Timer and HIIT Timer is free to download, with in-app purchases available.

### Is Define139 Metabolic Mapping free?

Define139 Metabolic Mapping is free to download, with no in-app purchases.

### Do Tabata Timer and HIIT Timer or Define139 Metabolic Mapping have ads?

Tabata Timer and HIIT Timer shows ads; Define139 Metabolic Mapping does not.

### Which is updated more often, Tabata Timer and HIIT Timer or Define139 Metabolic Mapping?

Tabata Timer and HIIT Timer ships an update every 3 weeks, and Define139 Metabolic Mapping every 4 weeks. Most recently, Tabata Timer and HIIT Timer was updated on October 15, 2026 and Define139 Metabolic Mapping on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*