Comparison

GridPro vs Backflow Pro

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

Head to head
About

GridPro

This app facilitates secure sharing of facility and construction project data through a collaborative system. It allows users to contribute and access information with time-stamped, user-identified entries, enhancing data integrity and risk management.

Highlights
  • Two-way collaboration
  • Secure, accessible, and updateable database
  • Time and date stamps on all data
  • User identification on all inputs
  • Controlled data attributes
  • Data integrity and risk reduction
Read full description

GridPro provides critical information to individuals at locations where it is needed. GridPro is the collaboration, coordination, and communication system that uses social media design to permit the sharing of facility information and construction project data in a secure environment allowing Users to share tacit knowledge with the entire User Group. More than 30 attributes can be controlled by the SyncSet® (database) owner to allow and control users’ ability to record and share personal knowledge for use by the entire User Group with each User input being recorded with time, date, update, and User identified. GridPro provides a service to place project and facility information into the controlled and secure SyncSet® to ensure quality, consistency and third-party time and date validation. True collaboration is a two-way street with all parties being able to share their expertise on a secure database with all the controls to ensure proper risk management is maintained. Selected the benefits of using the GridPro total system: • Two-way collaboration • Secure database that is both accessible and updateable • Reduction of personnel time from 15% to 25% managing data • Time and date stamps on all data and user inputs • User identification on all user inputs • 34 attributes and capabilities individually controlled • Nothing ever erased from the database, data integrity, reduces risk

About

Backflow Pro

This app digitizes backflow prevention documentation, creating secure, visual records with time-stamped photos and GPS data. It streamlines compliance letters, invoices, and repair tracking for building and facility professionals.

Highlights
  • Digital backflow prevention program creation
  • Time-stamped and GPS-stamped photo embedding
  • Electronic signature capture
  • Automated compliance letters and invoices
  • Cloud syncing across multiple devices
  • Scheduling calendar with push notifications
  • Organized file storage by project and client
Features
Read full description

A powerful, user-friendly app by Time Lock Documentation with embedded backflow testing checklists and compliance letters. This program creates a visual digital backflow documentation record which is attached to common paperwork creating digital visual proof of backflow prevention certification and compliance with governing law. The Backflow PRO provides a mobile and web synced backflow documentation process for all buildings and facilities. The Backflow program has been designed for the building, facility, and maintenance industries, for professional contractors, inspectors, plumbers, states, provinces, cities, counties, water companies, property managers and service technicians. The Backflow PRO documents backflow testing procedures providing testing “passed” and testing “failed” on the building backflow prevention device including a compliance letter, invoice, estimate, change order for any repairs required in the field. This creates a highly effective program for certifying and tracking repaired “backflow assembly devices” on a regular schedule. Backflow prevention device certifications, repairs, work estimates, and invoices are easily scheduled, visually captured, and logged with ease. The Backflow PRO leverages smartphone technology with our patented, time-lock documentation process that includes embedded photos watermarked with time, date, ambient temperature, and GPS location in addition to sorting, storing, and emailing documents and enabling signature capture (E-Sign). The program provides remote E-sign-off from multiple locations and cloud syncing on multiple devices . Features • Creates secure, digital backflow prevention program in minutes (Say goodbye to lost or damaged paperwork). • Reduces labor hours for projects by providing a digital web log and field application. • Backflow inspections, compliance letters, and repairs are easily scheduled, created, digitally captured, and logged with ease. • Embeds photos-stamped with time, date, ambient temp, GPS location. • E-signoff for multiple signatures of inspectors, project managers, etc. • Emails professionally documented, certified PDFs. • Time-locked, encrypted data fields-prevent errors and data tampering. • Organizes and stores files by date, project, system, and client. • Improves accountability-gives clients, water companies, and building owners detailed proof of work. • Designed for field use with no internet or server connections needed. • Cloud storage and synchronizing on multiple devices . • Creates full scheduling calendar with push notifications to field applications. • Certifications can be saved to the PlanGrid documents folder when the application is synchronized. • TLD PRO version, multi-user web dashboard and integrated apps allow teams to sync projects and documents on multiple devices from the field to the office. No ads. $71.99/ month; $80.99/month, $49.99/month, $29.99/month and , $3.99/month are the intended price of your in-app purchase product, Gold_Mechanical, Platinum_Mechanical, and Silver_Mechanical, Bronze_Mechanical and StandAlone_Mechanical. See privacy policy: https://timelockdocs.com/times/site/privacy-policy Terms of use: https://timelockdocs.com/times/site/terms-of-use

Screenshots

Backflow Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: GridPro at none against Backflow Pro's 5. GridPro also leads on iOS requirement (9.0 vs 15.6). Backflow Pro's advantage is device support (3 vs 1). On price, rating, ratings volume and update cadence 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. Backflow Pro sells 5 in-app purchases, starting at $3.99 per month. GridPro 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 GridPro against 5.0 for Backflow Pro. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

UpkeepUpdate frequency

GridPro ships an update monthly, Backflow Pro every 3 weeks. The most recent releases landed on June 8, 2026 and June 1, 2026 respectively.

Scorecard4 real differences · 5 level
GridPro versus Backflow Pro: the parameters behind the verdict, then further details
ParameterGridProBackflow Pro
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Number of ratings2 — better1
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS9.0 — better15.6
Further details — not scored
Size5 MB22 MB
Age rating4+4+
DevelopereFacility, LLCTime Lock Documentation, LLC

Customer experience

GridPro

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Backflow Pro

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

In-app purchases

None

GridPro

No in-app purchases

5 purchases

Backflow Pro

Subscriptions5
  • Stand Alone Plan$3.991 Month
  • Bronze Plan$29.991 Month
  • Silver Plan$49.991 Month
Show 2 more
  • Gold Plan$71.991 Month
  • Platinum Plan$80.991 Month

Questions

Is GridPro free?
GridPro is free to download, with no in-app purchases.
Is Backflow Pro free?
Backflow Pro is free to download, with in-app purchases available.
Which has better reviews, GridPro or Backflow Pro?
GridPro and Backflow Pro are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do GridPro or Backflow Pro have ads?
Neither GridPro nor Backflow Pro shows ads.
Which is updated more often, GridPro or Backflow Pro?
GridPro ships an update monthly, and Backflow Pro every 3 weeks. Most recently, GridPro was updated on June 8, 2026 and Backflow Pro on June 1, 2026.

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