Comparison

ThreadFon Multi vs Simco Engineers

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

Head to head
About

ThreadFon Multi

This tool provides detailed insights into metric, inch, pipe, and trapezoidal cylindrical threads based on ISO and ASME standards. It helps users efficiently determine essential thread specifications for various thread types.

Highlights
  • ISO Metric thread support
  • Unified Inch thread support
  • Pipe thread support
  • Trapezoidal thread support
  • Based on ISO 965 and ASME B1.1 standards
  • Determines fundamental thread parameters
Features
Read full description

This application now supports ISO Metric, Unified Inch, Pipe, and Trapezoidal Thread Tolerances, providing detailed insights into the fundamental parameters of metric, inch, pipe, and trapezoidal cylindrical threads. Built on the ISO 965 standard, ASME/ANSI B1.1 standard, ISO 228, ANSI/ASME B1.20.1, ГОСТ 6357-81, and GOST 24737-81 standard. Designed for precision and ease, this tool helps you efficiently determine essential thread specifications for metric, unified inch, pipe, and trapezoidal threads.

About

Simco Engineers

Features
Read full description

SIMCO ENGINEERS is a Solar PV app. SIMCO ENGINEERS helps you to work and manage your technical and sales requirement wherever you are. SIMCO ENGINEERS is a marketplace and a common platform that connects Consumers, PV Installers, DisComs and State Nodal Agencies. SIMCO ENGINEERS app allows user to: 1. Create Solar PV (SPV) Design (Map based UI to calculate the size of the SPV system that can be installed) 2. Calculate Savings and Payback of investment 3. Get verified Solar PV Installers and quotes 4. Financial Analysis 5. Generate techno-commercial report 6. Manage solar sales with mobile, fast and colourful project management system The SIMCO ENGINEERS App changes the way end customers and rooftop solar professionals work. Highlights and features of the app for Solar Professionals are listed below: 1. Lead Management 2. Financial analysis and tools to get cash flow, break-even analysis etc. 3. Use standard terms and conditions for your proposal 4. Energy output calculation 5. Customer proposal template in a customized form 6. Email a quote to your client right from your device within minutes of using this app 7. Project management via cloud technology to monitor the progress of the lead/project 8. Increase conversions with quick, detailed and professional offers Design and manage your sales with your smartphone or tablet wherever you are. Increase your work performance and make it more professional using SIMCO ENGINEERS Solar Platform

Screenshots

ThreadFon Multi4 screens
Simco Engineers4 screens

Verdict

The call

ThreadFon Multi and Simco Engineers are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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.

UpkeepUpdate frequency

ThreadFon Multi ships an update monthly, Simco Engineers every 3 weeks. The most recent releases landed on September 9, 2026 and September 19, 2026 respectively.

ScorecardNo meaningful differences
ThreadFon Multi versus Simco Engineers: the parameters behind the verdict, then further details
ParameterThreadFon MultiSimco Engineers
PriceFreeFree
Rating3.8 (4 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings4 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.4
Further details — not scored
Size43 MB56 MB
Age rating4+4+
DeveloperDmitriy TrofimovAHASOLAR TECHNOLOGIES LIMITED

In-app purchases

None

ThreadFon Multi

No in-app purchases

None

Simco Engineers

No in-app purchases

Questions

Is ThreadFon Multi free?
ThreadFon Multi is free to download, with no in-app purchases.
Is Simco Engineers free?
Simco Engineers is free to download, with no in-app purchases.
Do ThreadFon Multi or Simco Engineers have ads?
Neither ThreadFon Multi nor Simco Engineers shows ads.
Which is updated more often, ThreadFon Multi or Simco Engineers?
ThreadFon Multi ships an update monthly, and Simco Engineers every 3 weeks. Most recently, ThreadFon Multi was updated on September 9, 2026 and Simco Engineers on September 19, 2026.

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