THOTH ECG vs FormSight
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~
FormSight
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FormSight is a coaching tool for personal trainers, strength coaches, and movement specialists. Record a client's set, see a live skeleton overlay with joint angles and rep-by-rep form grades, then review the session with frame-by-frame playback, annotation, and looping. WHAT IT DOES ⢠Live skeleton overlay with joint angles during recording ⢠Rep counting with green, yellow, and red form grades ⢠Eight movement quality checks including knee valgus, hip shift, forward lean, and back rounding ⢠Side-by-side comparison of two sessions ⢠Frame-by-frame review with drawing, annotation, and looping ⢠Per-client roster with session history, trend charts, and quality scores ⢠Branded PDF reports for client check-ins ⢠Still frame capture and video export to Photos ⢠Fully on-device processing ā no internet required, no account, no data leaves your device SUPPORTED EXERCISES Squat (front view and side view), Romanian deadlift, stiff-leg deadlift, and good morning. Each exercise activates the movement quality checks that apply to its pattern. SUBSCRIPTION FormSight Coach starts with a 14-day free trial. After the trial, continue at $9.99 per month or $99 per year. Subscriptions auto-renew through your Apple ID unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in Apple ID Settings. PRIVACY All client data, recordings, session notes, and PDF exports stay on your device. FormSight has no analytics, no account creation, and sends no data to a server. FormSight is a coaching and observation tool. It is not a medical device and is not intended to diagnose, treat, cure, or prevent any injury, illness, or condition.
Screenshots
Verdict
The clearest difference is in-app purchases: THOTH ECG at none against FormSight's 2. THOTH ECG also leads on iOS requirement (13.0 vs 17.0). FormSight's advantage is update cadence (monthly vs every 8 months). On price, ads 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. FormSight sells 2 in-app purchases, starting at $9.99 per month. THOTH ECG asks for nothing beyond the download.
THOTH ECG ships an update every 8 months, FormSight monthly. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.
| Parameter | THOTH ECG | FormSight |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Monthly ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 ā better | 17.0 |
| Further details ā not scored | ||
| Size | 5 MB | 8 MB |
| Age rating | 12+ | 4+ |
| Developer | ē“¢ę(čå·)å»ēē§ęęéå ¬åø | Big Creek Holdings LLC |
In-app purchases
THOTH ECG
No in-app purchases
FormSight
- FormSight Coach (Monthly)14 Days trial$9.991 Month
- FormSight Coach Annual14 Days trial$99.991 Year








