# NCTM Central vs MICDS

NCTM Central and MICDS 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.

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

NCTM Central ships an update every 2 months, MICDS every 3 months. The most recent releases landed on October 13, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NCTM Central | MICDS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (16 ratings)](https://appshunter.io/ios/app/nctm-central/id1457158930/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 37 MB | 28 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [National Council of Teachers of Mathematics](https://appshunter.io/developer/368205972) | [MICDS](https://appshunter.io/developer/889657253) |

## What reviewers say

### 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


### MICDS

[App page](https://appshunter.io/ios/app/micds/id6748023693)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NCTM Central free?

NCTM Central is free to download, with no in-app purchases.

### Is MICDS free?

MICDS is free to download, with no in-app purchases.

### Do NCTM Central or MICDS have ads?

Neither NCTM Central nor MICDS shows ads.

### Which is updated more often, NCTM Central or MICDS?

NCTM Central ships an update every 2 months, and MICDS every 3 months. Most recently, NCTM Central was updated on October 13, 2026 and MICDS on September 30, 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.*