Tolerance Mate
ISO 286 tolerance calculation, fit analysis and PDF reports in one app.
- ISO 286-1 / 286-2
- Fit analysis
- PDF report
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13 Android apps · Google Play
Smart tools
Smart tools
for engineers
From tolerance and torque calculations to CAD drawing viewing, from overtime tracking to salon management. Apps that speed up your work in the field and in the office, all under one roof.
5.0Top rating on the Play Store
Tolerance MateEngineering CatalogBearing CatalogEngineering Torque CalculatorSossial
Air Duct Takeoff
Scientific Calculator
Energy Maintenance Report
Mesailerim
Barber & Salon Manager
Edge Panel
Tofisan Order
Smart CounterTolerance MateEngineering CatalogBearing CatalogEngineering Torque CalculatorSossialAir Duct TakeoffScientific CalculatorEnergy Maintenance ReportMesailerimBarber & Salon ManagerEdge PanelTofisan OrderSmart Counter0apps
0downloads
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Featured
Each one built for a real job
Four of the apps used every day in workshops, on job sites and in design offices.
01 ISO 286 · Tolerance
Tolerance Mate
ISO 286 tolerance calculation, fit analysis and PDF reports in one app.
Tolerance Mate is an engineering assistant that calculates hole and shaft tolerances to ISO 286-1 and ISO 286-2 in seconds. No more flipping through tolerance tables or making manual calculation errors.
- ISO 286 engine
- Smart fit analysis
- Graphical view
- Professional PDF report
02 CAD · Sharing
Sossial
Open, measure and share DWG, DXF, STEP and STL drawings on your phone.
Sossial is a social app for people who work with technical drawings. Open DWG, DXF, STEP and STL files on your phone without a desktop CAD program, take precise measurements, mark them up and discuss them with your team in one place.
- 2D drawing viewer
- 3D model viewer
- Professional measuring
- Markup, feed and chat
03 Technical database
Engineering Catalog
A pocket technical database for bolts, keys, gears, bearings and seals.
Engineering Catalog is a comprehensive technical database and calculation tool for anyone working in machine design and manufacturing. It brings the dimension tables and calculations you need in the workshop and design office into one app.
- Taper and slope
- Keyway engineering
- Standards archive
- Torque and reports
04 Mechanical calculation
Engineering Torque Calculator
Five calculators for bolt preload, motor torque, shaft diameter and unit conversion.
Engineering Torque Calculator is an all-in-one mechanical torque tool for bolts, motors, shafts and everyday lever problems. Whether you are sizing a drive, checking a fastener or converting Nm to lb-ft, you get fast and clear results.
- Lever torque and units
- Bolt tightening torque
- Motor power and torque
- Shaft diameter
Categories
Pick by what you need
Engineering
6 appsTrusted field tools for tolerances, torque, bearings, duct takeoff and CAD drawings.
Business & Productivity
4 appsBusiness apps that take overtime, appointments, field reports and orders off paper.
Tools
3 appsPractical tools that speed up everyday life, from a scientific calculator to an edge panel.
All apps
All 13 apps
Click an app to open its own page with features, screenshots and who it is for.
Engineering Catalog
A pocket technical database for bolts, keys, gears, bearings and seals.
- ISO / DIN / ANSI
- Taper and keys
- DXF / STL
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Play
Bearing Catalog
Bearing codes and dimensions with a home screen widget and PDF output.
- Widget
- Works offline
- PDF output
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Play
Engineering Torque Calculator
Five calculators for bolt preload, motor torque, shaft diameter and unit conversion.
- 5 calculators
- Live results
- Nm / lb-ft
View details →
Play
Sossial
Open, measure and share DWG, DXF, STEP and STL drawings on your phone.
- DWG / DXF
- STEP / STL 3D
- Measuring tools
View details →
Play
Air Duct Takeoff
Ventilation duct takeoff, cost calculation and branded PDF reports.
- Project based
- Sheet and insulation
- Costing
View details →
Play
Scientific Calculator
Equations, matrices, graphs and an AI that solves problems from a photo.
- Basic / Advanced
- Graphing
- AI photo solver
View details →
Play
Energy Maintenance Report
Shared work logs, fixed jobs and PDF / Excel reports for field crews.
- Teams and invite codes
- Fixed jobs
- PDF / Excel
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Play
Mesailerim
Track work hours, overtime and leave; salary, severance and leave calculators.
- Calendar logging
- Shift patterns
- Severance calculators
View details →
Play
Barber & Salon Manager
Appointments, clients, staff and salon bookkeeping in one app.
- Appointment calendar
- Income / expenses
- Staff and chairs
View details →
Play
Edge Panel
Reach apps, contacts and a smart clipboard from the edge of your screen.
- Left + right edge
- Smart clipboard
- Contacts
View details →
Play
Tofisan Order
Tofisan HVAC product catalog, quotes and order requests.
- Product catalog
- Cart
- PDF quote
View details →
Play
Smart Counter
A simple dhikr counter you can use without looking at the screen.
- 7 counters
- Full-screen tap
- Simple
View details →
Play
Why ProxApp?
Speed, accuracy and simplicity
The apps were born from real needs in the field and in the workshop.
Professional PDF reports
Turn calculations, takeoffs and records into a report for your customer or team with one tap.
Works in the field
Catalogs and calculators open without internet, ready in the workshop, on site or at the machine.
Multilingual
Besides Turkish and English, the apps are available in many languages such as German, Arabic and Spanish.
Your data stays yours
Most apps keep data on your phone, need no account, and let you manage your own backups.
If the tool you need isn't here, let's build it together.
Write to us with suggestions, bug reports or a custom app request for your company.