GO2 vs Ares
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GO2
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- Explore your environment on the Pollution maps to stay informed about current pollution levels. - Keep track of your Exposure record to various pollutants and make informed decisions to protect your health. - Plan your journey with confidence using the Healthy navigation feature. With GO2, you're in control of the air you breathe. Download now for a healthier, cleaner future! Full potential currently available to users from London, England only! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Ares
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.
- 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
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An interval timer that does the counting for you. Set rounds, work and rest in seconds, and Ares guides you by voice through the whole workout: HIIT, Tabata, EMOM, AMRAP, circuits, yoga, stretching and mobility. Heart rate from Apple Watch or earbuds, your workout on the Lock Screen, no ads. INTERVAL TIMER • Work time, rest time and number of rounds, down to the second • Left/Right mode times each side for you. Perfect for stretching, yoga and exercises done one side at a time • Countdown before you start, the option to begin with a warmup and an optional final rest • Pin favorite workouts to the Home Screen and repeat your last one with a single tap WORKOUTS, SETS AND EXERCISES • Save as many workouts as you like, each with its own name and icon, and edit or duplicate them anytime • Workout sets: rounds, custom rests between workouts, edit straight from the list • Exercise library, expanded regularly • Exercise names read aloud during your workout HEART RATE: APPLE WATCH AND EARBUDS • Control your workout from your wrist: pause, skip, resume • Live heart rate and heart rate zones on Apple Watch and iPhone • Heart rate from earbuds too, no watch needed, even on iPad: AirPods Pro 3, Powerbeats Pro 2 or newer (iOS and iPadOS 26 or later) • Train with just your watch: put a workout on Apple Watch and leave your iPhone at home • Calories tracked in every workout • Automatic sync with Apple Health ALWAYS AT HAND • Your workout on the Lock Screen and in the Dynamic Island, with a timer and a pause button, no unlocking needed • Widgets for the Home Screen and the Lock Screen • Keeps running with the screen locked and never stops your music, it just turns it down for voice cues • A big, clear timer on iPad that you can read from across the room PROGRESS AND HISTORY • Heart rate chart for every workout: work and rest with the average heart rate of each phase • Weekly trends for number of workouts and training time • Calendar, list and details of every workout • Weekly streak: one workout a week keeps it alive • A reminder when your streak is at risk, at most once a week Privacy Policy: https://ares.eris.one/privacy-policy/ License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: GO2 at none against Ares's 3. GO2 also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Ares sells 3 in-app purchases, starting at $1.99 per month. GO2 asks for nothing beyond the download.
GO2 ships an update every 3 weeks, Ares fortnightly. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.
| Parameter | GO2 | Ares |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (25 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 25 — better |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.1 — better | 18.6 |
| Further details — not scored | ||
| Size | 53 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Megasense Oy | Krzysztof Orlowski |
In-app purchases
GO2
No in-app purchases
Ares
- Ares Plus$1.991 Month
- Ares Plus$9.991 Year
- Ares Plus Forever$24.99









