Comparison

THOTH ECG vs FormSight

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

THOTH ECG

Features
Read full description

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~

About

FormSight

Features
Read full description

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 — 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

THOTH ECG3 screens
FormSight4 screens

Verdict

The call

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

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.

UpkeepUpdate frequency

THOTH ECG ships an update every 8 months, FormSight monthly. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

Scorecard3 real differences Ā· 3 level
THOTH ECG versus FormSight: the parameters behind the verdict, then further details
ParameterTHOTH ECGFormSight
PriceFreeFree
Update frequencyEvery 8 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better17.0
Further details — not scored
Size5 MB8 MB
Age rating12+4+
Developerē“¢ę€(č‹å·ž)åŒ»ē–—ē§‘ęŠ€ęœ‰é™å…¬åøBig Creek Holdings LLC

In-app purchases

None

THOTH ECG

No in-app purchases

2 purchases

FormSight

Subscriptions2
  • FormSight Coach (Monthly)14 Days trial$9.991 Month
  • FormSight Coach Annual14 Days trial$99.991 Year

Questions

Is THOTH ECG free?
THOTH ECG is free to download, with no in-app purchases.
Is FormSight free?
FormSight is free to download, with in-app purchases available.
Do THOTH ECG or FormSight have ads?
Neither THOTH ECG nor FormSight shows ads.
Which is updated more often, THOTH ECG or FormSight?
THOTH ECG ships an update every 8 months, and FormSight monthly. Most recently, THOTH ECG was updated on September 18, 2026 and FormSight on September 8, 2026.

Other comparisons