# Fit Interval vs Ares

The clearest difference is in-app purchases: Fit Interval at none against Ares's 3. Ares's advantage is update cadence (every 2 weeks vs every 13 months) and device support (3 vs 1). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. Ares sells 3 in-app purchases, starting at $1.99 per month. Fit Interval asks for nothing beyond the download.

Fit Interval ships an update every 13 months, Ares every 2 weeks. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Fit Interval | Ares |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (25 ratings)](https://appshunter.io/ios/app/ares-workout-interval-timer/id6743498963/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 113 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ismail nermis](https://appshunter.io/developer/1783776861) | [Krzysztof Orlowski](https://appshunter.io/developer/1803214419) |

## What reviewers say

### Fit Interval

[App page](https://appshunter.io/ios/app/fit-interval/id6739136200)

This workout companion helps you achieve fitness goals with customizable interval timers for HIIT, strength training, and more. Easily set work/rest periods, durations, and monitor your progress through an intuitive interface.

**Highlights:** Customizable work/rest intervals, HIIT and strength training support, Set workout durations, Track progress, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Ares

[App page](https://appshunter.io/ios/app/ares-workout-interval-timer/id6743498963)

This app provides a customizable interval timer for various workouts like HIIT, Tabata, yoga, and stretching. It features real-time heart rate zone tracking with Apple Watch integration and allows users to create and save unlimited training sessions and workout sets. Voice cues guide users through workouts, ensuring focus remains on exercise.

**Highlights:** Customizable interval timer, HIIT, Tabata, Yoga, Stretch modes, Apple Watch control and heart rate zones, Unlimited training session saving, Workout set creation, Voice and sound cues, Training history tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ares Plus | $1.99 | per month |
| Ares Plus | $9.99 | per year |
| Ares Plus Forever | $24.99 | one-time |


## Frequently asked questions

### Is Fit Interval free?

Fit Interval is free to download, with no in-app purchases.

### Is Ares free?

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

### Do Fit Interval or Ares have ads?

Neither Fit Interval nor Ares shows ads.

### Which is updated more often, Fit Interval or Ares?

Fit Interval ships an update every 13 months, and Ares every 2 weeks. Most recently, Fit Interval was updated on October 3, 2026 and Ares on October 18, 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.*