Aetrex Achilles vs E
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Aetrex Achilles
This app utilizes AI and computer vision to accurately measure your feet and determine your median shoe size. Future updates will offer personalized shoe recommendations based on your measurements.
- AI-powered foot measurement
- Computer vision technology
- Accurate median shoe size determination
- Future shoe recommendations
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The Achilles app uses AI and Computer Vision to measure your feet and determine your median shoe size accurately. A future version of this app will automatically provide recommendations of best fitting shoes for you.
E
Easily measure your foot size and find the perfect shoe size. Save measurements for yourself and loved ones, and share them to ensure accurate purchases or gifts.
- Measure foot size
- Select shoe size
- Save multiple measurements
- Share measurements
- Family and friend profiles
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E-size helps you to measure your foot size and choose your shoe size. - Get your foot size and use it when choosing your shoes - Do measurements not only for yourself, but also for your family, or loved ones - Keep your E-size measurements and use them at any time - Share your size with your family and friends so they can be sure of choosing what to buy or present for you.
Screenshots
Verdict
The clearest difference is rating: Aetrex Achilles at 2.8 against E's 1.0. Aetrex Achilles also leads on update cadence (every 2 weeks vs every 3 months) and ratings volume (34 vs 1). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Aetrex Achilles holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: Aetrex Achilles has 34 ratings behind it against 1, so its average is the more settled of the two.
Aetrex Achilles ships an update every 2 weeks, E every 3 months. The most recent releases landed on October 8, 2026 and October 2, 2026 respectively.
| Parameter | Aetrex Achilles | E |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (34 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 22.7% of reviews | — |
| Number of ratings | 34 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 186 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Aetrex Worldwide, Inc. | AIVA LLC |
Customer experience
Aetrex Achilles
E
In-app purchases
Aetrex Achilles
No in-app purchases
E
No in-app purchases
