Comparison

Know True vs Varity

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

Head to head
About

Know True

This application helps utility customers with solar panels understand how their energy consumption and solar production affect their electricity bills. It also monitors solar system output, alerting users to potential production issues.

Highlights
  • Track energy usage and solar production
  • Monitor impact on utility charges
  • Solar production monitoring
  • Alerts for solar system downtime
  • Notifications for potential solar issues
Features
Read full description

Know True-Up allows utility customers who also have solar to see how their energy usage habits and solar energy production combine to impact their utility charges. The software program also has a solar production monitoring component, which notifies the Know-True-Up monitoring team when a solar system has not pushed any power to the grid within a 24 hour period. Utility customers are notified when a potential solar production problem is detected. NOTE: This app is intended for existing Know True-Up customers only.

About

Varity

Streamline engineering project management with this app. It offers easy logging, quick searching, and smart filtering to organize and track engineering activities. Enhance collaboration and ensure data security for your projects.

Highlights
  • Effortless logging of engineering activities
  • Quick search and filtering of log entries
  • Real-time collaboration with team members
  • Secure and reliable data protection
  • Organize project details by date and task
Features
Read full description

Introducing "Varity" - The Ultimate Engineering Log App Varity is the all-in-one solution for engineers, designed to streamline and enhance your engineering project management. This powerful app provides a comprehensive set of features, including logging, searching, and filtering capabilities, to revolutionize the way you document and track your engineering activities. Whether you're working on large-scale projects or handling day-to-day tasks, Varity is your go-to tool for seamless engineering log management. Key Features: Easy Logging: Effortlessly record and organize your engineering activities in a structured and intuitive manner. Capture important details such as dates, times, descriptions, results, and observations with just a few taps. Quick Search: Find the information you need in seconds with our advanced search functionality. Simply enter keywords or filter criteria, and Varity will instantly retrieve the relevant entries, saving you valuable time and effort. Smart Filtering: Take control of your engineering logs with powerful filtering options. Customize filters based on dates, project stages, specific tasks, or any other relevant parameters to focus on the data that matters most to you. Enhanced Collaboration: Seamlessly collaborate with your team by sharing and accessing engineering logs in real-time. Varity enables smooth communication and knowledge sharing, facilitating better teamwork and coordination. Secure and Reliable: Rest easy knowing that your sensitive engineering data is protected. Varity ensures the highest level of data security and privacy, giving you peace of mind throughout your projects. Varity is indispensable for engineers, project managers, and researchers who seek to enhance their productivity and efficiency. Say goodbye to cumbersome paper-based logs and embrace the digital revolution with Varity - the ultimate engineering log app. Download Varity now and unlock a new level of precision, organization, and collaboration in your engineering endeavors.

Screenshots

Know True2 screens
Varity2 screens

Verdict

The call

The clearest difference is update cadence: Varity at fortnightly against Know True's every 20 months. Know True's advantage is iOS requirement (11.0 vs 13.0). On price, rating, ratings volume and ads 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 Know True against 5.0 for Varity. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

UpkeepUpdate frequency

Know True ships an update every 20 months, Varity fortnightly. Both last shipped on November 3, 2026.

Scorecard2 real differences · 7 level
Know True versus Varity: the parameters behind the verdict, then further details
ParameterKnow TrueVarity
PriceFreeFree
Rating5.0 (3 ratings)5.0 (4 ratings)
Number of ratings34 — better
Update frequencyEvery 20 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size5 MB14 MB
Age rating17+4+
DeveloperSolar Data Pros, LLCEntronix LLC

Customer experience

Know True

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Varity

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Know True

No in-app purchases

None

Varity

No in-app purchases

Questions

Is Know True free?
Know True is free to download, with no in-app purchases.
Is Varity free?
Varity is free to download, with no in-app purchases.
Which has better reviews, Know True or Varity?
Know True and Varity are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.
Do Know True or Varity have ads?
Neither Know True nor Varity shows ads.
Which is updated more often, Know True or Varity?
Know True ships an update every 20 months, and Varity fortnightly. Most recently, Know True was updated on November 3, 2026 and Varity on November 3, 2026.

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