ION vs Athelyst
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ION
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Ion is a simple gym tracker designed to help you log your workouts efficiently. Track your sets, reps, and progress over time.
Athelyst
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Athelyst offers a straightforward and cost-effective approach to achieving your fitness objectives, regardless of your experience level. If youβre new to fitness training, Athelyst provides valuable guidance on how to get started by showing you what to do and how to perform exercises effectively. This comprehensive support is available for free, eliminating the need for additional subscriptions or financial barriers that could deter you from taking the first step. Moreover, if youβve already embarked on your fitness journey, Athelyst serves as an excellent resource for developing a new training plan, enhancing your performance, and finding renewed motivation. Additionally, it offers structured training sessions that maximize your results. Features: - generate training plans for free with AI or add your own ones manually - descriptions and additional information for each exercise, in addition to rest time and number of reps and sets - save your weights to each exercise - save each training session in the history to see your progress - monthly overview of the days you trained - native alarm for the pause timer with Dynamic Island and lock screen support so you don't miss the next set - all data is saved locally on your device and never gets transferred to any server or third party Give Athelyst a spin and accelerate your gains! If you have questions or feedback, you can reach out via E-Mail to servus@magnus-singer.com
Screenshots
Verdict
The clearest difference is update cadence: ION at fortnightly against Athelyst's every 5 weeks. ION also leads on iOS requirement (17.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ION ships an update fortnightly, Athelyst every 5 weeks. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.
| Parameter | ION | Athelyst |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly β better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad β better |
| Requires iOS | 17.6 β better | 26.0 |
| Further details β not scored | ||
| Size | 56 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | CARLOS MARTIN DE ARGILA LORENTE | Magnus Singer |
In-app purchases
ION
No in-app purchases
Athelyst
No in-app purchases









