THOTH ECG vs ScaleTrack
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
THOTH ECG
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THOTH ECG (wearable dynamic electrocardiogram recorder software) can monitor heart rate for a long time, display dynamic electrocardiogram in real time, and also view heart rate in real time. When the heart rate exceeds the set expected value, there will be a sound reminder to inform, making it a good assistant for your daily life. Function: -View real-time electrocardiogram; -View real-time heart rate; -When the heart rate exceeds the set expected value, there is a sound reminder to inform; Note: This app does not replace seeking medical treatment at a hospital. If you experience any discomfort during the monitoring process, please consult a doctor or professional as soon as possible~
ScaleTrack
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Track your weight in two seconds: just snap a photo of your scale. ScaleTrack reads the number off any scale's display, right on your iPhone. Confirm it, and it's saved and charted. It works with the scale you already own: if it shows a number, ScaleTrack reads it. WHY SCALETRACK ⢠Works with any scale: point, snap, done. ⢠Two-second weigh-ins: snap ā confirm ā saved. ⢠A clean trend chart from your very first reading. ⢠Prefer typing? Log with the keyboard any time. SEE PROGRESS, NOT NOISE ⢠A smoothed trend line shows your true direction through daily ups and downs. ⢠Weekly pace, a projected goal date, and a "what will I weigh by then?" picker. ⢠Milestones on the way to your goal, badges for showing up, streaks that add up. ⢠Your year in review, plus a shareable PDF report. ⢠Switch lb ā kg anytime. Export to CSV whenever you want. MORE THAN THE SCALE ⢠Add a note, tags, or how you felt to any weigh-in. ⢠BMI at a glance once you set your height. ⢠Track body fat percentage and waist alongside weight, synced with Apple Health. ⢠Optional progress photos with a lineup guide and side-by-side compare, stored on your device, seen only by you. MAKE IT YOURS ⢠Dark mode: the new Ink palette, easy on late-night weigh-ins. ⢠Home Screen, Lock Screen and Control Center shortcuts; Siri and the Action button too. ⢠Optional daily reminder and a Sunday weekly summary. PRIVATE BY DESIGN ⢠Your data lives on your iPhone and, only if you turn it on, in your own private iCloud. ⢠Scale photos are read on-device with Apple's built-in text recognition, then discarded. ⢠Progress photos stay on your device, for your eyes only. ⢠Back up and restore your data yourself, any time. Just you and the number, over time.
Screenshots
Verdict
The clearest difference is update cadence: ScaleTrack at fortnightly against THOTH ECG's every 8 months. THOTH ECG's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
THOTH ECG ships an update every 8 months, ScaleTrack fortnightly. Both last shipped on October 25, 2026.
| Parameter | THOTH ECG | ScaleTrack |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Fortnightly ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod ā better | iPhone |
| Requires iOS | 13.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 5 MB | 14 MB |
| Age rating | 12+ | 4+ |
| Developer | ē“¢ę(čå·)å»ēē§ęęéå ¬åø | GAGAN BHATTARAI |
In-app purchases
THOTH ECG
No in-app purchases
ScaleTrack
No in-app purchases









