# Interval Exercise Timer ™ vs SleepFlō

The clearest difference is ads: SleepFlō at none against Interval Exercise Timer ™'s shown. SleepFlō also leads on update cadence (every 3 days vs monthly). Interval Exercise Timer ™'s advantage is review sentiment (100% vs 67%). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Interval Exercise Timer ™ sells 5 in-app purchases, starting at $0.99 per 7 days and SleepFlō sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Interval Exercise Timer ™ against 4.6 for SleepFlō. Both are backed by a comparable volume of ratings — 20 and 13 respectively. Written reviews are what separate them: 100% of Interval Exercise Timer ™'s written reviews are positive against 67% of SleepFlō's.

Interval Exercise Timer ™ ships an update monthly, SleepFlō every 3 days. The most recent releases landed on September 19, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Interval Exercise Timer ™ | SleepFlō |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (20 ratings)](https://appshunter.io/ios/app/interval-exercise-timer/id6463520684/reviews)** | [4.6 (13 ratings)](https://appshunter.io/ios/app/sleepflo-hydrate-and-sleep/id6741787717/reviews) |
| Number of ratings | **20** | 13 |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 72 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [MyShoperoo Inc.](https://appshunter.io/developer/1446536985) |

## What reviewers say

### Interval Exercise Timer ™

[App page](https://appshunter.io/ios/app/interval-exercise-timer/id6463520684)

Optimize your exercise routines with a customizable interval timer. Set precise 'Prepare,' 'Work,' and 'Rest' durations, and manage multiple sets and rounds for efficient workouts. Save your custom settings for easy access to consistent training.

**Highlights:** Customizable Prepare, Work, and Rest timers, Multi-round and set options, Real-time progress tracking, Save and load custom timer settings, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Workout Timer Pro | $0.99 | per 7 days |
| Workout Timer Pro | $1.49 | per month |
| Exercise Timer Pro | $6.99 | per 6 months |
| Tabata Timer Pro | $19.99 | per year |
| Interval Timer Pro | $39.99 | one-time |


### SleepFlō

[App page](https://appshunter.io/ios/app/sleepflo-hydrate-and-sleep/id6741787717)

This app tracks both water intake and bathroom visits to provide insights into your body's hydration patterns. It helps optimize hydration timing to improve sleep quality and reduce nighttime disruptions.

**Highlights:** Water intake calculator, Personalized hydration recommendations, Hydration balance scoring, Sleep quality correlation tracking, Bathroom visit frequency monitoring, Customizable hydration reminders, Evening hydration optimization

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $14.99 | per year |
| Lifetime, Pay once | $17.99 | one-time |


## Frequently asked questions

### Is Interval Exercise Timer ™ free?

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

### Is SleepFlō free?

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

### Which has better reviews, Interval Exercise Timer ™ or SleepFlō?

Interval Exercise Timer ™ is rated higher. Interval Exercise Timer ™ averages 4.7 out of 5 from 20 ratings, while SleepFlō averages 4.6 from 13 ratings.

### Do Interval Exercise Timer ™ or SleepFlō have ads?

Interval Exercise Timer ™ shows ads; SleepFlō does not.

### Which is updated more often, Interval Exercise Timer ™ or SleepFlō?

Interval Exercise Timer ™ ships an update monthly, and SleepFlō every 3 days. Most recently, Interval Exercise Timer ™ was updated on September 19, 2026 and SleepFlō on June 1, 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.*