# RunIntervals vs Joovv Light Therapy

The clearest difference is review sentiment: RunIntervals at 91% against Joovv Light Therapy's 15%. RunIntervals also leads on rating (4.7 vs 1.7) and ratings volume (146 vs 12). Joovv Light Therapy's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RunIntervals sells 2 one-off in-app purchases. Joovv Light Therapy asks for nothing beyond the download.

RunIntervals holds the better App Store score, 4.7 against 1.7. That said, the two scores are not equally well evidenced: RunIntervals has 146 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 91% of RunIntervals's written reviews are positive against 15% of Joovv Light Therapy's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | RunIntervals | Joovv Light Therapy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (146 ratings)](https://appshunter.io/ios/app/runintervals/id1387917509/reviews)** | [1.7 (12 ratings)](https://appshunter.io/ios/app/joovv-light-therapy/id1514871055/reviews) |
| Number of ratings | **146** | 12 |
| Positive reviews | **90.7% of reviews** | 15.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 26 MB | 31 MB |
| Requires iOS | **11.3** | 13.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robotic Jam LLC](https://appshunter.io/developer/1330538093) | [Joovv, Inc.](https://appshunter.io/developer/1437054134) |

## What reviewers say

### RunIntervals

[App page](https://appshunter.io/ios/app/runintervals/id1387917509)

Set custom interval timers with voice or tone alerts. This app seamlessly integrates with your existing audio and fitness apps, pausing or lowering music volume to ensure you never miss an alert.

**Highlights:** Customizable interval durations, Voice and tone alerts, Music volume lowering, Spoken audio pausing, Works with other apps, No user data collection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Big Tip | $2.99 | one-time |

**What reviewers like**

- 🚀 Perfect app
- 🚀 Great app
- 🚀 Simple and effective
- 🚀 Straightforward and easy to use
- 🚀 Does exactly what it needs to

**What reviewers complain about**

- 🐛 Does not work
- 🐛 Tones fail
- 🐛 Alerts don't work
- 🐛 Stops randomly
- 🐛 No sound on watch

**Reported bugs**

- Interval tones not working with podcast/music
- Interval tones not working on Apple Watch
- App randomly stops during workouts

**Requested features**

- Ability to swap run/walk intervals
- Option to start with walking
- Ability to set number of repeats
- Vibration alerts
- Longer interval options (up to 30/60/120 mins)


### Joovv Light Therapy

[App page](https://appshunter.io/ios/app/joovv-light-therapy/id1514871055)

Control your Joovv light therapy device remotely via your iOS device. Access advanced features like Ambient and Alarm Clock modes, track your sessions, set personal goals, and receive helpful reminders to optimize your light therapy experience.

**Highlights:** Remote device control, Ambient Mode, Alarm Clock Mode, Session tracking, Goal setting, Reminders

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RunIntervals free?

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

### Is Joovv Light Therapy free?

Joovv Light Therapy is free to download, with no in-app purchases.

### Which has better reviews, RunIntervals or Joovv Light Therapy?

RunIntervals is rated higher. RunIntervals averages 4.7 out of 5 from 146 ratings, while Joovv Light Therapy averages 1.7 from 12 ratings.

### Do RunIntervals or Joovv Light Therapy have ads?

Neither RunIntervals nor Joovv Light Therapy shows ads.

### Which is updated more often, RunIntervals or Joovv Light Therapy?

RunIntervals ships an update every 3 months, and Joovv Light Therapy every 3 months. Most recently, RunIntervals was updated on October 22, 2026 and Joovv Light Therapy on October 21, 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.*