Comparison

DayLight | Sunlight Planner vs Teremok

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

Head to head
About

DayLight | Sunlight Planner

Read full description

Feeling a bit "off"? It might be a lack of sunlight. DayLight checks the weather forecast for you and lets you know exactly when to go outside, saying, "It's a perfect time for a walk!" It predicts the best time to get sunlight based on weather and UV conditions, allowing you to record your walks as "SunPt" (Sunlight Points). Features: ・Predicts and notifies you of the best times to get sunlight. ・Tracks your walk time with a timer and visualizes it as SunPt. ・Supports habit building with streaks and weekly charts. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Teremok

Features
Read full description

Why does it hurt today? Decode your weather-pain link. Teremok forecasts how today's barometric pressure, geomagnetic shifts, and 12 other environmental factors may trigger headaches, migraines, joint pain, and influence your overall wellness β€” personalized to YOUR health profile. HOW IT WORKS Teremok combines real-time data from weather services, air quality monitors, pollen trackers, and space weather observatories. It then applies your personal health profile β€” age, chronic conditions, allergies, skin type β€” to produce a score tailored specifically to you. A person with asthma and a pollen allergy will see a very different score than someone with hypertension on the same day in the same city. 13 ENVIRONMENTAL FACTORS - Air Quality Index (PM2.5, PM10, O3, NO2, SO2) - Feels-Like Temperature (Universal Thermal Climate Index) - Barometric Pressure Change (hPa per 3 hours) - Atmospheric Pressure (absolute level) - UV Index (WHO scale) - Humidity (relative air moisture) - Pollen Index (6 species: birch, alder, grass, ragweed, mugwort, olive) - Geomagnetic Kp Index (NOAA space weather) - Solar Flare Activity (X-ray flux classification) - Wind Speed (Beaufort scale) - Dewpoint (comfort threshold) - Day Length (circadian impact) - Moon Phase (sleep and mood) PERSONALIZED HEALTH PROFILE Configure your conditions for a tailored experience: - Cardiovascular (hypertension, arrhythmia) - Musculoskeletal (arthritis, joint pain) - Respiratory (asthma, COPD) - Nervous system (migraine, meteosensitivity) - Psychoemotional (mood disorders, seasonal affective) - Dermatological (eczema, photosensitivity) - Immune (allergies, autoimmune) SMART TOOLS - Exercise Window: Finds the best 2-3 hour block for outdoor activity based on UV, temperature, air quality, and precipitation. - Safe Sun Timer: Calculates minutes to skin reddening based on your Fitzpatrick skin type and current UV index. - Sleep Forecast: Tonight's sleep quality score based on temperature, humidity, geomagnetic activity, moon phase, and wind. - Alert Timeline: Hourly risk peaks across 24 hours so you can plan your day. DESIGNED FOR YOU - Today/Tomorrow toggle with 3-day forecast - Government weather alerts (via Apple WeatherKit) - Drag-and-drop factor cards β€” put what matters most on top - 5-color severity system (blue/green/amber/purple/red) - Full iPad support with 2-column layout - Dark theme optimized for readability PRIVACY FIRST - No account required β€” works immediately after download - No analytics, no ads, no tracking - All data stored locally on your device - Location used only to fetch local weather β€” never stored or shared Available in English, Russian, and Ukrainian. Developed by Dr. Volodymyr Perelyhin, MD β€” endocrinologist and clinical researcher. Learn more: universum.earth Teremok is not a medical device. It provides informational guidance based on publicly available environmental data. Always consult your healthcare provider for medical decisions. Terms of Use (EULA): https://universum.earth/apps/teremok/terms/ Privacy Policy: https://universum.earth/apps/teremok/privacy/

Screenshots

DayLight | Sunlight Planner4 screens
Teremok4 screens

Verdict

The call

The clearest difference is device support: Teremok at 3 against DayLight | Sunlight Planner's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

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

Both are free to download. DayLight | Sunlight Planner sells 2 in-app purchases, starting at $2.99 per month and Teremok sells 2 in-app purchases, starting at $9.00 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DayLight | Sunlight Planner ships an update every 2 days, Teremok every 3 days. Both last shipped on October 28, 2026.

Scorecard1 real difference Β· 5 level
DayLight | Sunlight Planner versus Teremok: the parameters behind the verdict, then further details
ParameterDayLight | Sunlight PlannerTeremok
PriceFreeFree
Update frequencyEvery 2 days β€” betterEvery 3 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, Apple Watch β€” better
Requires iOS17.6 β€” better18.0
Further details β€” not scored
Size14 MB344 MB
Age rating4+4+
Developersota kidawaraVolodymyr Perelyhin

In-app purchases

2 purchases

DayLight | Sunlight Planner

Subscriptions2
  • DayLight Pro$2.991 Month
  • DayLight Pro7 Days trial$19.991 Year
2 purchases

Teremok

Subscriptions1
  • Teremok Pro Annual$9.001 Year
One-time1
  • Teremok Pro Lifetime$18.00

Questions

Is DayLight | Sunlight Planner free?
DayLight | Sunlight Planner is free to download, with in-app purchases available.
Is Teremok free?
Teremok is free to download, with in-app purchases available.
Do DayLight | Sunlight Planner or Teremok have ads?
Neither DayLight | Sunlight Planner nor Teremok shows ads.
Which is updated more often, DayLight | Sunlight Planner or Teremok?
DayLight | Sunlight Planner ships an update every 2 days, and Teremok every 3 days. Most recently, DayLight | Sunlight Planner was updated on October 28, 2026 and Teremok on October 28, 2026.

Other comparisons