Comparison

SensusMobile vs Sun Bath

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

Head to head
About

SensusMobile

This system monitors device information, interacts with users for data input, and anonymizes collected data for research. It can track health indicators and integrate with Bluetooth sensors, requiring user configuration for data collection.

Highlights
  • Mobile sensing system
  • User interaction for data input
  • Data anonymization
  • Local and remote data storage
  • HealthKit integration
  • Bluetooth sensor integration
Features
Read full description

Sensus is a system for mobile sensing. While it is running, Sensus monitors various types of information flowing through the device, interacts with the user to solicit information, and coordinates the collection, anonymization, and storage of this information locally as well as remotely. Sensus has been designed and implemented for use in research advancing public health and public safety. However, Sensus is a general-purpose system. Researchers in other fields, industrial companies, and individuals interested in self-monitoring might find it useful. By default, Sensus will not collect, store, or upload any information from the device on which it is running. Sensus must be configured by the device owner in order for it do these things. Thus, as shipped, the Sensus app does not pose any privacy risks. If you participate in Sensus studies, you will be presented with a detailed description of the data to be collected. Disclaimers: This app can, with your permission, continuously monitor your phone's GPS sensor. Continued use of GPS running in the background can dramatically decrease battery life. This app integrates with the iOS HealthKit so that, with your permission, the app can track a variety of indicators related to your health and well being. This app is capable of integrating with wearable Bluetooth sensors for collection of associated data. Use of Bluetooth can dramatically decrease battery life.

About

Sun Bath

This app precisely calculates when and for how long sunlight will reach your window. It offers detailed daily and seasonal forecasts, even accounting for cloud cover, and provides personalized reminders. It's designed for plant lovers, apartment seekers, and anyone who enjoys tracking the sun.

Highlights
  • Precise sunlight timing and duration calculation
  • Daily and seasonal light forecasts
  • Cloud cover and UV integration
  • Personalized sun reminders
  • Plant-specific light ranking
  • Offline functionality
Features
Read full description

Sun Bath answers one question with precision: when will sunlight actually reach a window? Drop a pin on the map, aim the dial the way your window faces, and Sun Bath computes the exact minutes of direct sun. Made to help maximize sunlight for those with seasonal affective disorder, for plant owners, apartment hunters, photo and videographers, or just wanting to be where the sun is for whatever reason! Open the app and the first thing you see is when the sun arrives on your window, and how long it stays. – Pro tip: On the Today tab, scrub the day arc to see exactly where the light will land at every hour. For plants: Name a window for any plant. One tap ranks every spot in the house by who has sun right now and for how long. The Seasonal tab shows each window's whole year of light, so you'll know the sill that is perfect in June but dim in December before your plants do. Seasonal/Yearly light information: The Seasonal heat map lays out your window's entire year at a glance, paired with typical monthly warmth for your area. Explore light around the world!! Ask the bigger questions: Where in the world has the best weather today? Where has the most warmth? Where are the days the longest? – Browse curated cities ranked by real climate data – Search almost any town on earth, each one showing its distance from your window – Or stay close and ask within 100 miles of home, ranked by the live forecast Pet companion: Choose a dog, a cat, or a bit of both! They react to your real sun and weather: basking when the light is on your window, dozing through grey days. Reminders that work while the app is closed: Choose the windows you care about and a reminder arrives just before the sun does: "Sun arrives in 20 minutes and stays until 3:55 PM." Every sunbeam is computed on your device using solar geometry, so Sun Bath works anywhere on Earth, even offline. Weather and UV come straight from Apple Weather. *Note: calculated sunlight times assume a clear view of the sky, so a tree or the building next door can shorten them. Whether you're placing a monstera, sizing up an apartment's real afternoon light before you sign a lease, timing golden hour, or just deciding where to drink your coffee, Sun Bath knows where the light will be. I made Sun Bath to navigate my relationship with the light around me. I hope it helps you as well! If your window's sun ever seems off, or you have an idea, please let me know by tapping "Send feedback" in the app's Settings menu :)

Screenshots

SensusMobile4 screens
Sun Bath4 screens

Verdict

The call

The clearest difference is update cadence: Sun Bath at every 4 days against SensusMobile's every 5 weeks. Sun Bath also leads on ratings volume (5 vs 1). SensusMobile's advantage is iOS requirement (10.0 vs 18.0). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for SensusMobile against 5.0 for Sun Bath. That said, the two scores are not equally well evidenced: Sun Bath has 5 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

SensusMobile ships an update every 5 weeks, Sun Bath every 4 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
SensusMobile versus Sun Bath: the parameters behind the verdict, then further details
ParameterSensusMobileSun Bath
PriceFreeFree
Rating5.0 (1 ratings)5.0 (5 ratings)
Positive reviews—100.0% of reviews
Number of ratings15 — better
Update frequencyEvery 5 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPod — betteriPhone
Requires iOS10.0 — better18.0
Further details — not scored
Size135 MB12 MB
Age rating4+4+
DeveloperUVA Apps, LLCSteven Bishop

Customer experience

SensusMobile

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Sun Bath

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SensusMobile

No in-app purchases

None

Sun Bath

No in-app purchases

Questions

Is SensusMobile free?
SensusMobile is free to download, with no in-app purchases.
Is Sun Bath free?
Sun Bath is free to download, with no in-app purchases.
Which has better reviews, SensusMobile or Sun Bath?
SensusMobile and Sun Bath are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.
Do SensusMobile or Sun Bath have ads?
Neither SensusMobile nor Sun Bath shows ads.
Which is updated more often, SensusMobile or Sun Bath?
SensusMobile ships an update every 5 weeks, and Sun Bath every 4 days. Most recently, SensusMobile was updated on November 2, 2026 and Sun Bath on November 5, 2026.

Other comparisons