Best Threader Pro Apps

47+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated August 2026

If you already know Threader Pro, this is the deeper bench. 47+ threader pro apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Threader Pro Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Threader ProThreader ProFreeNoYesJul 2026
2Threader: for Threads FollowerThreader: for Threads FollowerFree4.7★ (138)NoYesSep 2026
3ThreadsThreadsFree4.6★ (2.2M)YesYesSep 2026
4Thread GaugeThread GaugeFree5.0★ (1)NoYesAug 2026
5ThreadKingThreadKingFree4.7★ (12)NoNoAug 2026
6Thread CalculatorThread CalculatorFree4.3★ (13)YesNoMay 2026
7ThreadChaserThreadChaserFreeNoNoJun 2026
8Thread ChartThread ChartFree3.0★ (2)NoJun 2026

Top Picks for Threader Pro

Threader: for Threads Follower#2

Threader: for Threads Follower by Dating Apps LLC

Followers Tracker Insight
Strong Contender
🌐 Social Networking
4.7(138 ratings)
FreeIn-App Purchases
Threader: for Threads Follower screenshot 1
Threader: for Threads Follower screenshot 2
Threader: for Threads Follower screenshot 3
Threader: for Threads Follower screenshot 4
Threader: for Threads Follower screenshot 5

This app provides in-depth analytics for your social media posts, tracking follower growth and post performance. It offers actionable insights and a user-friendly interface, with a unique Apple Watch client for managing content on the go.

Threads#3

Threads by Instagram, Inc.

Join the conversation
Worth Considering
🌐 Social Networking
4.6😊(2.2M ratings)
FreeAdsIn-App Purchases
#1in Social Networking
Threads screenshot 1
Threads screenshot 2
Threads screenshot 3
Threads screenshot 4
Threads screenshot 5
Threads screenshot 6

Connect and share your thoughts on a platform designed for conversation. Discover trending topics, join communities based on your interests, and engage in discussions through text, images, and polls. You can also control your experience with privacy settings and direct messaging.

What We Love

  • 👍 Clean and simple interface
  • 🚀 Smooth performance
  • 💡 Integrated with Instagram
  • 🤝 Sense of community

Room to Improve

  • 🐛 Frequent crashes and bugs
  • 🤖 Too many suggested/random posts
  • 🔍 Lacking search and discovery features

More Threader Pro apps to explore

4
Thread Gauge
Thread Gauge
Thread Gauge
Measure screw pitch & diameter
Free

This app transforms your iPhone into a precise thread measurement tool. Simply photograph a screw next to a reference card to accurately determine its pitch and diameter, identifying the closest standard in both metric and imperial units.

Measures metric and imperial threadsIdentifies closest standard matchUses reference card for scale
🔧 Utilities
(1)
free with in-app purchases
5
ThreadKing
ThreadKing
ThreadKing
Ultimate Reference for Threads
Free

This app serves as a comprehensive reference and calculator for various thread types and dimensions. It provides detailed information on Metric and UN threads, including tap sizes and thread calculations for cutting and forming taps. Users can also find drill size charts and calculate RPM and feed rates for different materials.

Metric and UN thread referenceDrill/Tap size chartsPipe thread information
📊 Productivity
(12)
free
6
Thread Calculator
Thread Calculator
Thread Calculator
Data for metal working
Free

This app provides a quick and easy way to calculate thread dimensions for various units, including tap hole sizes and bolt specifications. It helps metalworkers find precise measurements for internal and external threads without consulting tables.

Thread cutting calculator for multiple unitsCold forming calculatorThread repair calculator
📊 Productivity
(13)
ad-supported
7
ThreadChaser
ThreadChaser
ThreadChaser
Screw Thread Identifier
Free
🔧 Utilities
(0)
8
Thread Chart
Thread Chart
Thread Chart
by Igor Pivnyk
Free

This app provides machinists with quick access to screw thread tolerances for various ISO and UN threads, including exotic sizes. It supports internal and external threads and calculates tap holes, eliminating the need for tolerance tables.

ISO and UN thread tolerance processingSupport for exotic thread sizesInternal and external thread calculations
🔍 Reference
(2)
free
9
Camcut
Camcut
Camcut
by Camcut Oy
Free

This app provides a comprehensive suite of technical calculators and standardized tables for metalworking and machining. It offers tools for calculating cutting values, dimensions, tolerances, and includes guides on G-codes and Mastercam.

Cutting value calculationsTechnical calculators (thermal expansion, weight, etc.)Standardized tables (ISO tolerances, threads)
🔧 Utilities
(0)
free
10
Hague Screw Thread Calculator
Hague Screw Thread Calculator
Hague Screw Thread Calculator
by Hague Fasteners Ltd
Free

This engineering tool provides instant access to critical dimensions for various screw thread standards, including Unified, Whitworth, and ISO Metric. It also allows for the creation and calculation of custom thread sizes and pitches, eliminating the need for physical reference books.

Unified screw thread dataWhitworth screw thread dataISO Metric screw thread data
🔧 Utilities
(5)
free
11
Stub Acme and Buttress threads
Stub Acme and Buttress threads
Stub Acme and Buttress threads
Threads Calculator
$9.99
$17.99 | 44% OFF

This application calculates all necessary dimensions for Acme, Stub Acme, and Buttress threads based on industry standards. It provides precise measurements for thread profiles, including major, minor, and pitch diameters, and offers an alternative method for checking pitch diameter without specialized micrometers.

Calculates Acme, Stub Acme, and Buttress thread dimensionsSupports standard and custom thread typesProvides major, minor, and pitch diameter calculations
🔧 Utilities
(2)
paid
12
Bolt Thread Identifier
Bolt Thread Identifier
Bolt Thread Identifier
Thread Pitch From a Photo
Free

Identify bolt thread pitches by taking a photo. This app uses AI to match SAE-UNC, SAE-UNF, or metric pitches after a simple distance calibration. It's a handy tool for anyone working with fasteners.

Photo-based thread pitch measurementAI-driven pitch matchingSupports SAE-UNC, SAE-UNF, and metric threads
🔧 Utilities
(3)
free
13
Helix Angle Calculator
Helix Angle Calculator
Helix Angle Calculator
Software for Thread Turning
Free
🔧 Utilities
(0)
14
ThreadFon Multi-Thread Calc
ThreadFon Multi-Thread Calc
ThreadFon Multi-Thread Calc
Metric,Inch,Pipe&Trap Threads
Free

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.

ISO Metric thread supportUnified Inch thread supportPipe thread support
📊 Productivity
(1)
free
15
MechTab
MechTab
MechTab
The mechanic's helper tool
Free

This app offers a comprehensive set of tools for mechanics, providing essential data on tolerances, threads, cutting speeds, wrench sizes, and roughness. It also includes calculators for material weight, triangle properties, and trowalisation.

ISO-Tolerance data (holes and shafts)Thread specificationsCutting data calculations
📊 Productivity
(16)
free
16
Screw Pitch Gauge
Screw Pitch Gauge
Screw Pitch Gauge
Quick Screw Thread Checker
Free
🔧 Utilities
(0)
17
ScrewFinderAI
ScrewFinderAI
ScrewFinderAI
Scan Screws & Bolts Instantly
Free
🔧 Utilities
(0)
18
Screw-Designer Basic
Screw-Designer Basic
Screw-Designer Basic
by AFS Advanced Fastening Solutions GmbH
Free
🔧 Utilities
(0)
19
Vargus GENius™
Vargus GENius™
Vargus GENius™
by VARGUS GENius
Free
💼 Business
(0)
20
TAppFinder
TAppFinder
TAppFinder
by FRATELLI VERGNANO SRL
Free
🛍️ Shopping
(0)

FAQ about Threader Pro

Are there free threader pro apps for iPhone?
Yes — 19 of the top threader pro apps we rank are free to download, including Threader Pro and Threader: for Threads Follower.
Threader Pro has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 47+ threader pro apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.