Comparison

Symphony Sonata vs Hots&Cots

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

Head to head
About

Symphony Sonata

Control your home's climate remotely with a smart thermostat. Adjust temperature, set schedules, and save energy. Manage household access and utilize smart away features for effortless savings.

Highlights
  • Remote climate control
  • Customizable schedules
  • Energy saving features
  • Household member access
  • Temperature and mode adjustment
Features
Read full description

Symphony Sonata is the key to keeping your home climate simple. Connect to a Smart Thermostat by Telkonet and set your comfort settings, cue up your household schedule, and save money and energy while you’re away. — CONTROL FROM ANYWHERE — Check on your thermostat from afar and adjust your home climate. The temperature, the thermostat mode (heat, cool, auto) and fan are all controllable via your phone. — AUTOMATE YOUR DAYS — Set a schedule that works for everyone. Pre-heat or pre-cool your house as you head home. Changing it is easy. Today’s schedule always appears on the home screen. You can update your schedule or just override it temporarily. — ACCOUNTS FOR EVERYONE — Mom, Dad, the babysitter; invite all your household members. — EFFORTLESS SAVINGS — Save money and energy while you’re away with Smart Away. It automatically adjusts the temperature if your home has been empty for hours.

About

Hots&Cots

This app allows military personnel to anonymously share experiences and advocate for improvements in living conditions at various installations. Users can rate facilities, upload media, and track responses to feedback, fostering collaborative solutions for better quality of life.

Highlights
  • Anonymous reviews
  • Photo and video uploads
  • Installation ratings
  • Response tracking
  • Collaborative solutions
Features
Read full description

Hots&Cots: Elevating Military Living Standards Hots&Cots empowers military personnel to share their experiences and advocate for better living conditions across installations worldwide. From barracks and dining facilities to gyms, lactation rooms, medical clinics, and beyond, Hots&Cots is the trusted platform for driving meaningful change in military life. As Featured in National News Join the growing community of service members using their voices to improve quality of life—your feedback matters. Key Features • Anonymous Reviews: Share your experiences without compromising your privacy. • Upload Photos & Videos: Enhance your feedback by showcasing real-life conditions at your installation. • Installation Ratings: Access detailed, user-driven ratings for barracks, dining facilities, and more. • Response Tracking: See how installations respond to feedback with engagement and resolution ratings. • Collaborative Solutions: Advocate for change while maintaining full anonymity and partnering with installations for improvements. Why Hots&Cots? Whether you’re rating a dining facility or reporting issues in your barracks, your feedback contributes to real solutions. Hots&Cots bridges the gap between service members and installations to make your voice heard. Take the First Step Today Download Hots&Cots and be part of the movement improving the quality of military life one review at a time!

Screenshots

Symphony Sonata3 screens
Hots&Cots4 screens

Verdict

The call

The clearest difference is review sentiment: Hots&Cots at 86% against Symphony Sonata's 2%. Hots&Cots also leads on rating (4.8 vs 1.2) and update cadence (weekly vs every 2 weeks). Symphony Sonata's advantage is in-app purchases (none vs 4) and ratings volume (93 vs 26). 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. Hots&Cots sells 4 one-off in-app purchases. Symphony Sonata asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Hots&Cots holds the better App Store score, 4.8 against 1.2. Both are backed by a comparable volume of ratings — 93 and 26 respectively. Written reviews point the same way: 2% of Symphony Sonata's written reviews are positive against 86% of Hots&Cots's.

UpkeepUpdate frequency

Symphony Sonata ships an update every 2 weeks, Hots&Cots weekly. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Symphony Sonata versus Hots&Cots: the parameters behind the verdict, then further details
ParameterSymphony SonataHots&Cots
PriceFreeFree
Rating1.2 (93 ratings)4.8 (26 ratings) — better
Positive reviews2.2% of reviews85.7% of reviews — better
Number of ratings93 — better26
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better18.0
Further details — not scored
Size14 MB38 MB
Age rating4+4+
DeveloperTelkonet, IncRobert Evans

Customer experience

Symphony Sonata

All ratings76 ratings
Positive3.9%
Neutral1.3%
Negative94.7%
Written reviews45 reviews
Positive2.2%
Neutral0.0%
Negative97.8%

Hots&Cots

All ratings26 ratings
Positive96.2%
Neutral0.0%
Negative3.8%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

Bugs and requests

Symphony Sonata

Reported bugs

8 issues
  • Cannot create account
  • App crashes during setup/use
  • Cannot connect to WiFi
  • Thermostat not found/detected
  • Settings not saving
Show 3 more
  • Schedules not updating
  • Temperature not updating
  • App freezes on verifying/connecting

Requested features

5 requests
  • Fix bugs and make app functional
  • Provide a replacement app
  • Improve thermostat control and scheduling
  • Allow account creation and login
  • Ensure app compatibility with newer devices

Hots&Cots

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Symphony Sonata

No in-app purchases

4 purchases

Hots&Cots

One-time4
  • Small Tip$0.99
  • Medium Tip$1.99
  • Large Tip$3.49
Show 1 more
  • Mega Tip$12.99

Questions

Is Symphony Sonata free?
Symphony Sonata is free to download, with no in-app purchases.
Is Hots&Cots free?
Hots&Cots is free to download, with in-app purchases available.
Which has better reviews, Symphony Sonata or Hots&Cots?
Hots&Cots is rated higher. Symphony Sonata averages 1.2 out of 5 from 93 ratings, while Hots&Cots averages 4.8 from 26 ratings.
Do Symphony Sonata or Hots&Cots have ads?
Neither Symphony Sonata nor Hots&Cots shows ads.
Which is updated more often, Symphony Sonata or Hots&Cots?
Symphony Sonata ships an update every 2 weeks, and Hots&Cots weekly. Most recently, Symphony Sonata was updated on October 29, 2026 and Hots&Cots on October 24, 2026.

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