# DREME Math Classroom Observer vs NCTM LMS

The clearest difference is update cadence: NCTM LMS at every 2 weeks against DREME Math Classroom Observer's every 4 months. NCTM LMS also leads on iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

DREME Math Classroom Observer ships an update every 4 months, NCTM LMS every 2 weeks. Both last shipped on September 11, 2026.

## The numbers

| Metric | DREME Math Classroom Observer | NCTM LMS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 26 MB | 181 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kelley Durkin](https://appshunter.io/developer/1645908110) | [Melimu LLC](https://appshunter.io/developer/1616113745) |

## What reviewers say

### DREME Math Classroom Observer

[App page](https://appshunter.io/ios/app/dreme-math-classroom-observer/id6443436386)

**In-app purchases:** none


### NCTM LMS

[App page](https://appshunter.io/ios/app/nctm-lms/id6757144962)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DREME Math Classroom Observer free?

DREME Math Classroom Observer is free to download, with no in-app purchases.

### Is NCTM LMS free?

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

### Do DREME Math Classroom Observer or NCTM LMS have ads?

Neither DREME Math Classroom Observer nor NCTM LMS shows ads.

### Which is updated more often, DREME Math Classroom Observer or NCTM LMS?

DREME Math Classroom Observer ships an update every 4 months, and NCTM LMS every 2 weeks. Most recently, DREME Math Classroom Observer was updated on September 11, 2026 and NCTM LMS on September 11, 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.*