# Categories Learning Center vs Feature Function Class

The clearest difference is price: Feature Function Class at Free against Categories Learning Center's $11.99. Feature Function Class also leads on update cadence (every 2 months vs every 14 months) and rating (5.0 vs 4.6). Categories Learning Center's advantage is ratings volume (5 vs 1) and iOS requirement (15.6 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

Feature Function Class is free to download; Categories Learning Center costs $11.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Feature Function Class holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Categories Learning Center has 5 ratings behind it against 1, so its average is the more settled of the two.

Categories Learning Center ships an update every 14 months, Feature Function Class every 2 months. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Categories Learning Center | Feature Function Class |
| --- | --- | --- |
| Price | $11.99 | **Free** |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/categories-learning-center/id496646536/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/feature-function-class/id6755350562/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 92.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 69 MB | 101 MB |
| Requires iOS | **15.6** | 18.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Smarty Ears](https://appshunter.io/developer/348779167) | [JudeWorks](https://appshunter.io/developer/1749456254) |

## What reviewers say

### Categories Learning Center

[App page](https://appshunter.io/ios/app/categories-learning-center/id496646536)

Enhance vocabulary, comprehension, and critical thinking with interactive categorization exercises. Developed by speech-language pathologists, this app offers structured practice for learners of all ages to identify, group, and label objects, supporting language development and memory.

**Highlights:** Interactive categorization practice, Build vocabulary and comprehension, Develop critical thinking skills, Multi-level difficulty, Multi-player mode (up to 4 users), Progress tracking and reporting, Evidence-based activities

**Features:** macOS Compatibility

**In-app purchases:** none


### Feature Function Class

[App page](https://appshunter.io/ios/app/feature-function-class/id6755350562)

This visual teaching tool aids educators, therapists, and parents in developing receptive language and categorization skills. It uses a proven methodology to present images and test identification based on features, functions, and classes. The app offers a large image library, smart filtering, and customization options for personalized training.

**Highlights:** 300+ pre-tagged images, Smart filtering by feature, function, or class, Shuffle and Reorder modes for varied practice, Adjustable grid size for difficulty scaling, Save and load custom image sets, Import and tag personal photos, Create custom tags

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

**In-app purchases:** none


## Frequently asked questions

### Is Categories Learning Center free?

Categories Learning Center costs $11.99, with no in-app purchases.

### Is Feature Function Class free?

Feature Function Class is free to download, with no in-app purchases.

### Which has better reviews, Categories Learning Center or Feature Function Class?

Feature Function Class is rated higher. Categories Learning Center averages 4.6 out of 5 from 5 ratings, while Feature Function Class averages 5.0 from 1 ratings.

### Do Categories Learning Center or Feature Function Class have ads?

Neither Categories Learning Center nor Feature Function Class shows ads.

### Which is updated more often, Categories Learning Center or Feature Function Class?

Categories Learning Center ships an update every 14 months, and Feature Function Class every 2 months. Most recently, Categories Learning Center was updated on October 11, 2026 and Feature Function Class 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.*