# Interval Timer vs IntenSync

The clearest difference is monetization model: IntenSync at free with in-app purchases against Interval Timer's subscription. IntenSync also leads on update cadence (every 6 days vs every 4 weeks) and rating (5.0 vs 4.7). Interval Timer's advantage is ads (none vs shown) and ratings volume (3.5K vs 2). On price and in-app purchases there is nothing between them.

Both are free to download. Interval Timer sells 12 in-app purchases, starting at $1.99 per month and IntenSync sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

IntenSync holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Interval Timer has 3.5K ratings behind it against 2, so its average is the more settled of the two.

Interval Timer ships an update every 4 weeks, IntenSync every 6 days. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Interval Timer | IntenSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3.5K ratings)](https://appshunter.io/ios/app/interval-timer/id1610398390/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/intensync-workout-coach/id6745151383/reviews)** |
| Number of ratings | **3.5K** | 2 |
| Positive reviews | 66.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 6 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 243 MB | 253 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [HIIT Apps Sp. z o.o.](https://appshunter.io/developer/1713395721) | [Equilibelle App Solutions](https://appshunter.io/developer/1811014998) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer/id1610398390)

This app is a versatile interval timer designed for various training styles like Tabata and HIIT. It offers customizable workout parameters, voice guidance, and music ducking for an enhanced training experience. Save your custom workouts and track your progress.

**Highlights:** Customizable interval settings, Voice assistant with text-to-speech, Music ducking for audio integration, Save custom workouts, Tabata, Rounds, Stopwatch modes, Apple Health integration

**Features:** Family Sharing, Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervals: monthly membership | $1.99 | per month |
| Intervals: membership | $3.99 | per 3 months |
| Intervals: monthly membership | $4.99 | per month |
| Intervals: yearly membership | $6.99 | per year |
| Intervals: yearly membership | $9.99 | per year |
| Intervals: yearly membership | $19.99 | per year |
| Intervals: yearly membership | $24.99 | per year |
| Intervals: membership | $24.99 | per year |
| Intervals \| PRO version | $14.99 | one-time |
| Intervals \| Membership | $14.99 | one-time |
| Intervals \| Membership | $34.99 | one-time |
| Intervals \| Membership | $39.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Customizable workouts
- 🚀 Versatile and efficient
- 🚀 Helpful voice prompts
- 👍 Seamless music integration

**What reviewers complain about**

- 🐛 Bugs causing lost workouts
- 🔋 High battery consumption
- 💰 Subscription-based model
- 🔒 Forced free trial
- 🐛 Timing issues with intervals

**Reported bugs**

- Workouts disappearing
- App crashes and freezes
- Timing issues with intervals

**Requested features**

- Apple Watch integration
- More customization options
- Additional audio cues and prompts
- Improved workout tracking and history


### IntenSync

[App page](https://appshunter.io/ios/app/intensync-workout-coach/id6745151383)

This app helps you create and track custom interval workouts for various fitness activities. It offers voice cues, visual guidance, and progress analytics. Premium features include manual logging, hydration and nutrition planning, and community engagement.

**Highlights:** Custom interval workout builder, Voice cues and sound packs, Visual workout guidance, Workout progress tracking and analytics, Manual workout logging (Premium), Hydration and nutrition planning (Premium), Community and accountability features

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $3.99 | per month |
| Annual Premium | $34.99 | per year |


## Frequently asked questions

### Is Interval Timer free?

Interval Timer is free to download, with in-app purchases available.

### Is IntenSync free?

IntenSync is free to download, with in-app purchases available.

### Which has better reviews, Interval Timer or IntenSync?

IntenSync is rated higher. Interval Timer averages 4.7 out of 5 from 3.5K ratings, while IntenSync averages 5.0 from 2 ratings.

### Do Interval Timer or IntenSync have ads?

IntenSync shows ads; Interval Timer does not.

### Which is updated more often, Interval Timer or IntenSync?

Interval Timer ships an update every 4 weeks, and IntenSync every 6 days. Most recently, Interval Timer was updated on October 17, 2026 and IntenSync on October 6, 2026.

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