# Boxing Interval Timer vs Hz Frequency by Lamda

The clearest difference is review sentiment: Boxing Interval Timer at 100% against Hz Frequency by Lamda's 75%. Boxing Interval Timer also leads on rating (5.0 vs 4.7). Hz Frequency by Lamda's advantage is ratings volume (19 vs 2) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Boxing Interval Timer sells 3 in-app purchases, starting at $0.59 per 7 days and Hz Frequency by Lamda sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Boxing Interval Timer holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Hz Frequency by Lamda has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Boxing Interval Timer's written reviews are positive against 75% of Hz Frequency by Lamda's.

Boxing Interval Timer ships an update every 6 days, Hz Frequency by Lamda every 9 days. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Boxing Interval Timer | Hz Frequency by Lamda |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/boxing-interval-timer-boxiit/id6742499744/reviews)** | [4.7 (19 ratings)](https://appshunter.io/ios/app/hz-frequency-by-lamda/id6747421302/reviews) |
| Number of ratings | 2 | **19** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 9 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 49 MB | 168 MB |
| Requires iOS | 17.2 | **14.0.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bethurel Griffin](https://appshunter.io/developer/912137739) | [Jehan Radwan](https://appshunter.io/developer/1820159651) |

## What reviewers say

### Boxing Interval Timer

[App page](https://appshunter.io/ios/app/boxing-interval-timer-boxiit/id6742499744)

This interval timer app is optimized for background operation, ensuring your workout sounds continue even when your device is locked. It offers customizable workouts, round bells, and live activity integration for a seamless training experience.

**Highlights:** Background operation, Round bell and clapper sounds, Live Activities integration, Customizable workouts, Dual progress bars, Dark and light modes

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Save workout, Live Activities | $0.59 | per 7 days |
| Save workout, Live Activities | $29.99 | per year |
| Save workouts, Live Activities | $39.99 | one-time |


### Hz Frequency by Lamda

[App page](https://appshunter.io/ios/app/hz-frequency-by-lamda/id6747421302)

This app offers precision Hz frequency soundscapes designed to promote inner harmony, clarity, and calm. It features binaural beats and various admired frequencies embedded in relaxing music, with interactive visual meditations to support stress relief and sleep.

**Highlights:** Precision Hz frequency programs, Binaural Beats, Interactive 3D scenes, Includes 432 Hz, 528 Hz, and solfeggio frequencies, Stress relief and relaxation support, Short interactive exercises

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Monthly Premium Standard | $8.99 | per month |
| Annual | $19.99 | per year |
| Annual Premium | $44.00 | per year |
| Lifetime | $110.99 | one-time |


## Frequently asked questions

### Is Boxing Interval Timer free?

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

### Is Hz Frequency by Lamda free?

Hz Frequency by Lamda is free to download, with in-app purchases available.

### Which has better reviews, Boxing Interval Timer or Hz Frequency by Lamda?

Boxing Interval Timer is rated higher. Boxing Interval Timer averages 5.0 out of 5 from 2 ratings, while Hz Frequency by Lamda averages 4.7 from 19 ratings.

### Do Boxing Interval Timer or Hz Frequency by Lamda have ads?

Neither Boxing Interval Timer nor Hz Frequency by Lamda shows ads.

### Which is updated more often, Boxing Interval Timer or Hz Frequency by Lamda?

Boxing Interval Timer ships an update every 6 days, and Hz Frequency by Lamda every 9 days. Most recently, Boxing Interval Timer was updated on October 4, 2026 and Hz Frequency by Lamda on October 7, 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.*