Comparison

TeachFX vs NCTM Central

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

Head to head
About

TeachFX

This tool helps educators gain insights into classroom learning dynamics by capturing and analyzing student-teacher conversations. It provides visible evidence of student engagement and instructional practices, fostering reflection and professional growth. The app is designed for privacy and personalization.

Highlights
  • Classroom talk ratio analysis
  • Academic language tracking
  • Questioning technique evaluation
  • Think time and turn-taking observation
  • Student participation patterns
  • Personalized and private data
Read full description

TeachFX is a tool designed for teachers that surfaces unique insights about the learning dynamics in the classroom—such as on ratios of talk, lesson design, academic language, questioning techniques, think time, turn taking, participation patterns and on many more instructional practices. Use it during instruction to capture the conversations between you and your students, and get visible evidence of student engagement. It’s all personalized and private to you, and designed to foster your reflection and growth. Try it out today!

About

NCTM Central

This app provides math educators with resources and information for professional development. Access details on conferences, connect with peers, and manage event schedules. It supports high-quality mathematics teaching and learning for all students.

Highlights
  • Conference and event information
  • Speaker and exhibitor details
  • In-app messaging for attendees
  • Session reminders and alerts
  • Note-taking for event sessions
  • Social media integration
Features
Read full description

The National Council of Teachers of Mathematics (NCTM) advocates for high-quality mathematics teaching and learning for each and every student. Founded in 1920, NCTM has members throughout the United States and Canada and is the world's largest mathematics education organization. Strategic Framework: o Teaching and Learning: NCTM provides guidance and resources for the implementation of research-informed, high-quality teaching that supports the learning of every student in equitable environments. o Access, Equity, and Empowerment: NCTM advances a culture of equity where each person has access to high-quality teaching empowered by the opportunities mathematics affords. o Building Member Value: NCTM provides community and resources to engage and listen to members in order to improve the teaching and learning of mathematics. o Advocacy: NCTM engages in advocacy to focus, raise awareness, and influence decision makers and the public on issues concerning high-quality mathematics teaching and learning. Mobile app features: - Full access to information about meetings, conferences, events, and other resources - Speaker information - Exhibit hall floor plan and exhibitor details - In-app messaging system to connect with other conference attendees - Ability to set reminders and receive alerts - View, update, and send notes on your event sessions - Connect through Facebook, LinkedIn, Twitter, Instagram, Pinterest Download the NCTM Central app now!

Screenshots

TeachFX4 screens
NCTM Central4 screens

Verdict

The call

The clearest difference is review sentiment: TeachFX at 75% against NCTM Central's 0%. TeachFX also leads on rating (5.0 vs 3.0) and update cadence (weekly vs every 2 months). NCTM Central's advantage is monetization model (free vs ad-supported) and iOS requirement (13.0 vs 16.4). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

TeachFX holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 21 and 16 respectively. Written reviews point the same way: 75% of TeachFX's written reviews are positive against 0% of NCTM Central's.

UpkeepUpdate frequency

TeachFX ships an update weekly, NCTM Central every 2 months. The most recent releases landed on September 7, 2026 and June 24, 2026 respectively.

Scorecard5 real differences · 5 level
TeachFX versus NCTM Central: the parameters behind the verdict, then further details
ParameterTeachFXNCTM Central
PriceFreeFree
Rating5.0 (21 ratings) — better3.0 (16 ratings)
Positive reviews75.0% of reviews — better0.0% of reviews
Number of ratings21 — better16
Update frequencyWeekly — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.413.0 — better
Further details — not scored
Size65 MB37 MB
Age rating4+17+
DeveloperTeachFXNational Council of Teachers of Mathematics

Customer experience

TeachFX

All ratings21 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

NCTM Central

All ratings16 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

TeachFX

No in-app purchases

None

NCTM Central

No in-app purchases

Questions

Is TeachFX free?
TeachFX is free to download, with no in-app purchases.
Is NCTM Central free?
NCTM Central is free to download, with no in-app purchases.
Which has better reviews, TeachFX or NCTM Central?
TeachFX is rated higher. TeachFX averages 5.0 out of 5 from 21 ratings, while NCTM Central averages 3.0 from 16 ratings.
Do TeachFX or NCTM Central have ads?
Neither TeachFX nor NCTM Central shows ads.
Which is updated more often, TeachFX or NCTM Central?
TeachFX ships an update weekly, and NCTM Central every 2 months. Most recently, TeachFX was updated on September 7, 2026 and NCTM Central on June 24, 2026.

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