# Interval Timer vs Voice Pacer

The clearest difference is review sentiment: Voice Pacer at 100% against Interval Timer's 21%. Voice Pacer also leads on rating (5.0 vs 4.5) and update cadence (every 8 days vs every 3 months). Interval Timer's advantage is ads (none vs shown) and ratings volume (534 vs 2). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Interval Timer sells 3 in-app purchases, starting at $2.99 per month and Voice Pacer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Voice Pacer holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Interval Timer has 534 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 21% of Interval Timer's written reviews are positive against 100% of Voice Pacer's.

Interval Timer ships an update every 3 months, Voice Pacer every 8 days. The most recent releases landed on September 1, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Interval Timer | Voice Pacer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (534 ratings)](https://appshunter.io/ios/app/interval-timer-run-and-hiit/id956283665/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/voice-pacer-interval-timer/id6468228663/reviews)** |
| Number of ratings | **534** | 2 |
| Positive reviews | 21.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 11 MB | 70 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roma Sosnovsky](https://appshunter.io/developer/956283664) | [Ko Hyunshik](https://appshunter.io/developer/1420039143) |

## What reviewers say

### Interval Timer

[App page](https://appshunter.io/ios/app/interval-timer-run-and-hiit/id956283665)

Organize your running and high-intensity interval training sessions with ease. Quickly set up custom time intervals for running, walking, warm-ups, and cool-downs. Receive voice and vibration notifications for interval changes, and enjoy background music playback.

**Highlights:** Intuitive design, Customizable time intervals, Warm-up and cool-down timers, Voice and vibration notifications, Background music support, Foreground/background operation

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Interval Run Pro Monthly | $2.99 | per month |
| Interval Run Pro Annual | $19.99 | per year |
| Full Version | $2.99 | one-time |

**What reviewers like**

- 🚀 Simple and easy to use
- 👍 Customizable intervals
- 🚀 Straightforward app
- 👍 Works as advertised
- 👍 Great for getting back into running

**What reviewers complain about**

- 🔇 No audio prompts when screen is locked
- 🔋 High battery consumption
- 🔒 Limited free version
- 🐛 Inconsistent performance
- 🔇 Voice prompts not loud enough

**Reported bugs**

- Timer resets or freezes during workout
- Prompts not working when phone is locked or in pocket
- Unexpected interval changes or duration changes
- Compatibility issues with music playback

**Requested features**

- Option to pause/resume timer
- Larger time remaining display
- Apple Watch app
- Ability to play audio prompts even with screen off
- More interval options (run/walk/jog)


### Voice Pacer

[App page](https://appshunter.io/ios/app/voice-pacer-interval-timer/id6468228663)

This running app offers a voice-guided training coach to help you maintain pace and intensity. It creates personalized training plans based on your performance and includes a running diary to track progress. Stay organized with calendar integration and receive motivational support during your runs.

**Highlights:** Customized voice guidance, Personalized training plans, Interactive running diary, Calendar integration, Motivational support

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Lifetime Access | $3.99 | one-time |


## Frequently asked questions

### Is Interval Timer free?

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

### Is Voice Pacer free?

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

### Which has better reviews, Interval Timer or Voice Pacer?

Voice Pacer is rated higher. Interval Timer averages 4.5 out of 5 from 534 ratings, while Voice Pacer averages 5.0 from 2 ratings.

### Do Interval Timer or Voice Pacer have ads?

Voice Pacer shows ads; Interval Timer does not.

### Which is updated more often, Interval Timer or Voice Pacer?

Interval Timer ships an update every 3 months, and Voice Pacer every 8 days. Most recently, Interval Timer was updated on September 1, 2026 and Voice Pacer on August 23, 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.*