Comparison

RadonSketch vs FormFlow for Google Forms

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

Head to head
About

RadonSketch

This tool simplifies radon mitigation workflows by helping professionals design systems, ensure compliance, and generate professional documentation. It streamlines the creation of diagrams, materials lists, and maintenance plans, saving time and reducing errors in the field.

Highlights
  • System Diagram Creator
  • Compliance Validation
  • Materials List Generator
  • OM&M Plan Creation
  • Secure Recordkeeping
  • Customizable for Every Job
Features
Read full description

RadonSketch is the ultimate system design and compliance tool built specifically for radon mitigation professionals. Designed to streamline your workflow, ensure ANSI/AARST compliance, and generate clean, professional documentation, RadonSketch helps you spend less time on paperwork and more time in the field. Whether you're designing diagnostic testing layouts, final system diagrams, or compiling operation and maintenance plans, RadonSketch brings simplicity and accuracy to every project — all from your mobile device or tablet. => Key Features: - System Diagram Creator Easily design radon mitigation system diagrams that meet ANSI/AARST standards. Choose from preloaded materials, drag-and-drop components, and export ready-to-print diagrams. - Compliance Validation Built-in logic checks to help you meet ANSI/AARST requirements for system design, discharge locations, fan placement, labeling, and more. - Materials List Generator Automatically generate a full Bill of Materials based on your system layout — ideal for ordering supplies or including in project bids. - OM&M Plan Creation Quickly compile and export Operation, Maintenance & Monitoring plans to stay compliant with client records and inspection documentation requirements. - Secure Recordkeeping Store project diagrams and documentation securely for 5+ years — as required by industry standards. - Customizable for Every Job Save frequently used components, adjust default configurations, and tailor each plan to match specific project needs and regional code requirements. => Built by Professionals, for Professionals RadonSketch was developed in collaboration with certified radon professionals to meet real-world needs in the field. Whether you're a solo mitigator or a large mitigation company, the app helps you standardise quality, reduce errors, and boost professionalism. Who Should Use RadonSketch? - Certified radon mitigators - Environmental contractors - Home inspection professionals - Large mitigation companies - Training programs and apprentices Why Choose RadonSketch? - Save hours of admin time per project - Impress clients with professional reports - Eliminate compliance guesswork - Centralise your documentation - Standardise team operations across job sites Currently available in the United States and Canada (RadonSketch follows ANSI/AARST compliance frameworks used in North America. Additional regions and international standards support coming soon.) Start simplifying your radon mitigation workflow today — download RadonSketch and design with confidence.

About

FormFlow for Google Forms

Create, edit, and manage forms, surveys, and quizzes directly on your mobile device. Build from scratch or use templates, then track responses and view analytics in real-time. Seamlessly integrates with Google Workspace tools.

Highlights
  • Full-featured form builder
  • Pre-built templates
  • Real-time response tracking
  • Summary charts and analytics
  • Export and share responses
  • Google Workspace integration
Features
Read full description

FormFlow is the all-in-one companion for Google Forms — create, edit, fill, and manage forms, surveys, quizzes, and polls right from your iPhone or iPad. Start from a template or build from scratch, then track responses in real time and view results at a glance. KEY FEATURES • Form builder — all question types, themes, images & branching logic • Ready-made templates for surveys, quizzes, polls, registration & feedback • Real-time responses, summary charts & analytics • Export and share your responses • Share forms by link and collect responses anywhere • Works with Google Forms, Docs, Drive & Sheets PREMIUM Upgrade to FormFlow Premium to unlock unlimited forms, advanced analytics, and full export. This is a third-party app and is not affiliated with, endorsed by, or sponsored by Google. All trademarks are the property of their respective owners. Privacy Policy: https://formflow.pocketcraft.site/privacy-policy/ Terms of Service: https://formflow.pocketcraft.site/terms-of-service/

Screenshots

RadonSketch4 screens
FormFlow for Google Forms4 screens

Verdict

The call

The clearest difference is update cadence: FormFlow for Google Forms at every 2 weeks against RadonSketch's monthly. RadonSketch's advantage is iOS requirement (15.6 vs 26.2). 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. RadonSketch sells 2 in-app purchases, starting at $49.00 per month and FormFlow for Google Forms sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for RadonSketch against 5.0 for FormFlow for Google Forms. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

UpkeepUpdate frequency

RadonSketch ships an update monthly, FormFlow for Google Forms every 2 weeks. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

Scorecard2 real differences · 8 level
RadonSketch versus FormFlow for Google Forms: the parameters behind the verdict, then further details
ParameterRadonSketchFormFlow for Google Forms
PriceFreeFree
Rating5.0 (3 ratings)5.0 (7 ratings)
Positive reviews100.0% of reviews—
Number of ratings37 — better
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better26.2
Further details — not scored
Size67 MB45 MB
Age rating4+4+
DeveloperChad SmithPocketCraft OU

Customer experience

RadonSketch

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

FormFlow for Google Forms

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

In-app purchases

2 purchases

RadonSketch

Subscriptions2
  • Pro Monthly$49.001 Month
  • Pro Annual$490.001 Year
3 purchases

FormFlow for Google Forms

Subscriptions3
  • Weekly FormFlow Pro3 Days trial$9.997 Days
  • Yearly FormFlow Pro3 Days trial$69.991 Year
  • Yearly FormFlow Pro$69.991 Year

Questions

Is RadonSketch free?
RadonSketch is free to download, with in-app purchases available.
Is FormFlow for Google Forms free?
FormFlow for Google Forms is free to download, with in-app purchases available.
Which has better reviews, RadonSketch or FormFlow for Google Forms?
RadonSketch and FormFlow for Google Forms are both rated 5.0 out of 5 on the App Store, from 3 and 7 ratings respectively.
Do RadonSketch or FormFlow for Google Forms have ads?
Neither RadonSketch nor FormFlow for Google Forms shows ads.
Which is updated more often, RadonSketch or FormFlow for Google Forms?
RadonSketch ships an update monthly, and FormFlow for Google Forms every 2 weeks. Most recently, RadonSketch was updated on October 30, 2026 and FormFlow for Google Forms on November 10, 2026.

Other comparisons