# HUFLIT LMS vs Ace AP STEM

The clearest difference is update cadence: HUFLIT LMS at monthly against Ace AP STEM's every 3 months. HUFLIT LMS also leads on iOS requirement (13.0 vs 15.6). 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.

HUFLIT LMS ships an update monthly, Ace AP STEM every 3 months. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | HUFLIT LMS | Ace AP STEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ace-ap-stem/id6780169317/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | — | Free |
| Size | 54 MB | 24 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HUFLIT](https://appshunter.io/developer/1786945129) | [Linh Do](https://appshunter.io/developer/6780169319) |

## What reviewers say

### HUFLIT LMS

[App page](https://appshunter.io/ios/app/huflit-lms/id6587573012)

**In-app purchases:** none


### Ace AP STEM

[App page](https://appshunter.io/ios/app/ace-ap-stem/id6780169317)

This study toolkit helps AP STEM students deeply understand concepts and solve problems. It offers step-by-step solutions, gradual hints, and concept notes. Organize your learning with a personal study library and practice with related problems.

**Highlights:** Step-by-step problem solving, Gradual hints for self-solving, Generate concept notes, Personalized study library, Practice with related problems, Customizable study buddy

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HUFLIT LMS free?

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

### Is Ace AP STEM free?

Ace AP STEM is free to download, with no in-app purchases.

### Do HUFLIT LMS or Ace AP STEM have ads?

Neither HUFLIT LMS nor Ace AP STEM shows ads.

### Which is updated more often, HUFLIT LMS or Ace AP STEM?

HUFLIT LMS ships an update monthly, and Ace AP STEM every 3 months. Most recently, HUFLIT LMS was updated on October 11, 2026 and Ace AP STEM on October 20, 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.*