Comparison

SolidGuide vs Know My Water

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

Head to head
About

SolidGuide

This app provides water treatment professionals with quick access to product information and essential calculators for cooling tower, boiler, and closed-loop systems. It features a user-friendly catalog, equipment details, intelligent surveys, and searchable resources like spec sheets and drawings.

Highlights
  • User-friendly product catalog
  • Comprehensive equipment information
  • Intelligent surveys
  • Upgraded calculators
  • Searchable resources (spec sheets, drawings, case studies)
Features
Read full description

SolidGuide, powered by AP Tech, is a valuable resource for water treatment professionals, designed to streamline access to AP Tech solid chemistry product information and calculators for cooling tower, boiler, and closed-loop applications. With SolidGuide 2.0, you will experience a smooth experience and refined resources, including: • User-friendly Product Catalog • Comprehensive equipment information • Intelligent and seamless surveys • Calculators with upgraded functionality • Searchable resources (spec sheets, drawings, case studies, and more) • Eliminate the guesswork and get SolidGuide.

About

Know My Water

Manage your well water system with this app. Store detailed information about your well, pump, and filters, and upload documents. Set maintenance reminders, use a diagnostic tool for issues, and connect with local professionals for repairs.

Highlights
  • Well system profile creation
  • Document and photo uploads
  • Maintenance reminders
  • Self-diagnosing tool
  • Access to well resources
  • Connect with local professionals
Features
Read full description

Know My Water is a tool to help maintain your well system and keep your water system functioning properly. Store all your information such as depth, water levels, pump model, pressure tank model, filter type and much more. Add all your documents and well records to the app easily by uploading your documents and taking pictures. Easily share all your information when an emergency arises to make sure you have the quickest route back into water. Use the app to set reminders to help you properly maintain your well water system and keep up on regular maintenance to help prevent any problems. When problems do occur, use the self-diagnosing tool to see if the problem can be easily repaired. Use the Well Resources in the app to learn more about all kinds of well drilling, pump system, filtration system regular maintenance and much more that every well owner would want to know! When a problem arises that you need expert help with Know My Well will put you in direct contact with your local professional to get you back into water as quick as possible! With all your information at your fingertips, you can ensure the local professional has the information they need to make the fastest and most cost-effective repair possible. Knowledge is power and having the knowledge of your well will ensure your system is maintained properly and that you have water! How It Works: - Build your well profile by adding all your well information including any pictures or documents. - Access resources for well drilling, pump systems and water filtration. - Use the self-diagnosing tool for troubleshooting issues. - Set reminders to make sure your system is properly maintained. - Easily share your information to keep your system at peak performance. - Contact local professionals to maintain and repair your water system. Privacy Policy/Terms Here: https://knowmywell.com/images/Privacy%20Policy%20V1.pdf

Screenshots

SolidGuide4 screens
Know My Water4 screens

Verdict

The call

The clearest difference is in-app purchases: SolidGuide at none against Know My Water's 7. SolidGuide also leads on update cadence (every 6 weeks vs every 3 months). Know My Water's advantage is iOS requirement (13.0 vs 15.0). 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. Know My Water sells 7 in-app purchases, starting at $0.99 per month. SolidGuide asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for SolidGuide against 5.0 for Know My Water. Both are backed by a comparable volume of ratings — 3 and 3 respectively.

UpkeepUpdate frequency

SolidGuide ships an update every 6 weeks, Know My Water every 3 months. The most recent releases landed on October 5, 2026 and September 24, 2026 respectively.

Scorecard4 real differences · 5 level
SolidGuide versus Know My Water: the parameters behind the verdict, then further details
ParameterSolidGuideKnow My Water
PriceFreeFree
Rating5.0 (3 ratings)5.0 (3 ratings)
Number of ratings33
Update frequencyEvery 6 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size3 MB31 MB
Age rating4+4+
DeveloperAPTech GroupKnow My Well, LLC

Customer experience

SolidGuide

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

Know My Water

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

In-app purchases

None

SolidGuide

No in-app purchases

7 purchases

Know My Water

Subscriptions7
  • 2 Wells$0.991 Month
  • 3-5 Wells$4.991 Month
  • 6-10 Wells$9.991 Month
Show 4 more
  • 11-20 Wells$19.991 Month
  • 21-50 Wells$49.991 Month
  • 51-100 Wells$99.991 Month
  • 101-150 Wells$149.991 Month

Questions

Is SolidGuide free?
SolidGuide is free to download, with no in-app purchases.
Is Know My Water free?
Know My Water is free to download, with in-app purchases available.
Which has better reviews, SolidGuide or Know My Water?
SolidGuide and Know My Water are both rated 5.0 out of 5 on the App Store, from 3 and 3 ratings respectively.
Do SolidGuide or Know My Water have ads?
Neither SolidGuide nor Know My Water shows ads.
Which is updated more often, SolidGuide or Know My Water?
SolidGuide ships an update every 6 weeks, and Know My Water every 3 months. Most recently, SolidGuide was updated on October 5, 2026 and Know My Water on September 24, 2026.

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