# TeachFX vs NCTM Central

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.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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.

TeachFX ships an update weekly, NCTM Central every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | TeachFX | NCTM Central |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (21 ratings)](https://appshunter.io/ios/app/teachfx/id1329178826/reviews)** | [3.0 (16 ratings)](https://appshunter.io/ios/app/nctm-central/id1457158930/reviews) |
| Number of ratings | **21** | 16 |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 65 MB | 37 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [TeachFX](https://appshunter.io/developer/1294178492) | [National Council of Teachers of Mathematics](https://appshunter.io/developer/368205972) |

## What reviewers say

### TeachFX

[App page](https://appshunter.io/ios/app/teachfx/id1329178826)

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

**In-app purchases:** none


### NCTM Central

[App page](https://appshunter.io/ios/app/nctm-central/id1457158930)

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:** macOS Compatibility

**In-app purchases:** none


## Frequently asked 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 October 24, 2026 and NCTM Central on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*