Comparison

ISY vs Calmgrid

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

Head to head
About

ISY

This platform offers safety services to help users monitor their communities and loved ones. It provides emergency assistance, location tracking, and alerts for dangerous zones. Users become community safety agents by participating.

Highlights
  • Emergency services
  • Assistance services
  • Location tracking
  • Video monitoring
  • Alarm system
  • GPS tracking
  • Dangerous zone alerts
Features
Read full description

ISY (I Save You) es una plataforma 'evergreen' que ofrece servicios gratuitos y premium para las personas, evolucionando y co-creándose en forma continua, con la adición de personas, grupos de seguridad, ambientes y zonas protegidas, todo esto ocurriendo en las diferentes ciudades. ISY interactúa con el usuario en forma regular. Diferente a un sistema de seguridad tradicional. Todas las personas usando ISY, se vuelven Agentes de Seguridad en su comunidad. Para esto ISY le proveerá de los siguientes servicios: * Servicio de Emergencias * Servicio de Asistencia * Servicio de Localización * Servicio de Video * Servicio de Alarma * Servicio de GPS * Enterarte si tus seres queridos ingresan a una zona peligrosa. Nota: El uso continuo del funcionamiento del GPS en el fondo puede disminuir dramáticamente la vida de la batería. Continued use of GPS running in the background can dramatically decrease battery life. Isy actualiza tu ubicación cuando recorres una distancia de 50 metros, la permanencia estática no utilizará el GPS un vez enviada la ubicación.

About

Calmgrid

Features
Read full description

Log a migraine in under a minute. See your real triggers. Export a doctor-ready report — while your health data stays private on your device. Calmgrid turns scattered attacks into a clear pattern: what set them off, what helped, and what to tell your doctor. ------------------------------------------------------- WHY CALMGRID? ◆ Log fast, even mid-attack A guided wizard captures the full picture in under 60 seconds. Skip any step. ◆ Discover what actually triggers you Weather, stress, sleep, caffeine, hormones, food — see which factors line up with your attacks. ◆ Make doctor visits count Export a clean PDF report: frequency, severity trends, top triggers, medication effectiveness, days impacted. ◆ Know what helps Rate medications and relief methods per dose. Stop guessing what works. ------------------------------------------------------- WHAT YOU CAN TRACK • Date, time & duration • Severity (3-point or 10-point scale) • Pain location (front, back, temples, custom) • Symptoms (nausea, light sensitivity, aura + custom) • Triggers (stress, sleep, weather, food, hormones + custom) • Medications with dose, timing & effectiveness • Relief methods that worked • Impact on work, sleep & social life ------------------------------------------------------- INSIGHTS & REPORTS Free: • Attacks per week • Severity distribution • Duration averages • Weekday patterns Pro: • Top triggers ranked • Top symptoms ranked • Medication effectiveness breakdown • Time-of-day analysis • PDF export for doctor visits • Custom date ranges ------------------------------------------------------- PRIVACY-FIRST BY DESIGN Your migraine data stays on your device. No account required. No cloud sync. Your health entries are never sold, shared, or used for advertising. • Offline-first architecture • Local encrypted storage • Export your data anytime • Delete everything with one tap To keep improving Calmgrid, we collect anonymous usage statistics and crash reports — never the content of your health entries. You can turn this off in Settings anytime. ------------------------------------------------------- BUILT FOR MIGRAINE SUFFERERS • Dark mode reduces strain during attacks • Quick logging when you're in pain • Skip any step — flexibility when you need it • Haptic feedback for intuitive interaction • Calm, low-contrast interface • Available in 39 languages ------------------------------------------------------- FREE VS PRO Free: Track attacks, basic insights, calendar view, custom lists Pro: Unlimited tracking, advanced analytics, medication effectiveness, PDF export, time-of-day patterns Start free. Upgrade when the insights pay off. ------------------------------------------------------- Download Calmgrid today. Understand your migraines. Take back control. Questions? hi@calmgrid.app Privacy Policy: https://calmgrid.app/en/privacy/ Terms of Service: https://calmgrid.app/en/terms/

Screenshots

ISY4 screens
Calmgrid4 screens

Verdict

The call

The clearest difference is in-app purchases: ISY at none against Calmgrid's 5. ISY also leads on iOS requirement (11.0 vs 15.1). Calmgrid's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Calmgrid sells 5 in-app purchases, starting at $6.99 per month. ISY asks for nothing beyond the download.

UpkeepUpdate frequency

ISY ships an update every 3 weeks, Calmgrid every 3 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
ISY versus Calmgrid: the parameters behind the verdict, then further details
ParameterISYCalmgrid
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better15.1
Further details — not scored
Size127 MB56 MB
Age rating4+12+
DeveloperISY S.A.Ugur Ozan Yildiz

In-app purchases

None

ISY

No in-app purchases

5 purchases

Calmgrid

Subscriptions5
  • Premium (Monthly)7 Days trial$6.991 Month
  • Premium (Monthly)7 Days trial$7.991 Month
  • Premium (Annual)7 Days trial$29.991 Year
Show 2 more
  • Premium (Annual)7 Days trial$39.991 Year
  • Premium (Yearly)7 Days trial$59.991 Year

Questions

Is ISY free?
ISY is free to download, with no in-app purchases.
Is Calmgrid free?
Calmgrid is free to download, with in-app purchases available.
Do ISY or Calmgrid have ads?
Neither ISY nor Calmgrid shows ads.
Which is updated more often, ISY or Calmgrid?
ISY ships an update every 3 weeks, and Calmgrid every 3 days. Most recently, ISY was updated on October 29, 2026 and Calmgrid on October 25, 2026.

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