# Categories vs SLK Curriculum

The clearest difference is review sentiment: Categories at 86% against SLK Curriculum's 0%. Categories also leads on in-app purchases (none vs 22) and iOS requirement (8.0 vs 17.0). SLK Curriculum's advantage is price (Free vs $0.99) and rating (4.6 vs 4.0). On ratings volume, update cadence, ads and device support there is nothing between them.

SLK Curriculum is free to download; Categories costs $0.99 up front. SLK Curriculum sells 16 in-app purchases, starting at $25.99 per month. Categories asks for nothing beyond the download.

SLK Curriculum holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 15 and 9 respectively. Written reviews complicate that: 86% of Categories's written reviews are positive against 0% of SLK Curriculum's, so the app with the better star average is not the one people write more warmly about.

Categories ships an update every 10 days, SLK Curriculum weekly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Categories | SLK Curriculum |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.0 (15 ratings)](https://appshunter.io/ios/app/categories-categorization-skill-development-app/id1219358895/reviews) | **[4.6 (9 ratings)](https://appshunter.io/ios/app/slk-curriculum/id6468837197/reviews)** |
| Number of ratings | **15** | 9 |
| Positive reviews | **85.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 291 MB | 127 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 9+ |
| Developer | [Innovative Mobile Apps](https://appshunter.io/developer/420345423) | [Speech and Language Kids](https://appshunter.io/developer/1710629636) |

## What reviewers say

### Categories

[App page](https://appshunter.io/ios/app/categories-categorization-skill-development-app/id1219358895)

This app offers engaging categorization activities and games designed to make learning fun for children. It features great visuals, a simple interface, and customizable options to suit various learning levels and needs. The app helps develop categorization skills and is aligned with educational standards.

**Highlights:** Categorization activities, Engaging games, Great visuals and examples, Customizable options, User progress tracking, Aligned with Common Core Standards

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

**In-app purchases:** none


### SLK Curriculum

[App page](https://appshunter.io/ios/app/slk-curriculum/id6468837197)

This comprehensive speech and language therapy curriculum helps children make faster progress with less stress for adults. It offers a streamlined system for planning, teaching, and tracking communication skills, with customizable modules and AI-powered tools for creating practice materials.

**Highlights:** Assessment tool for skill pinpointing, Customizable curriculum modules, Year-long mentorship program, Core Language Program (K-5), AI-powered material generators, Private discussion board & support group, 50+ in-depth courses

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

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $25.99 | per month |
| Monthly Plan | $25.99 | per month |
| Monthly Plan | $25.99 | per month |
| Monthly Plan | $25.99 | per month |
| Monthly Plan | $49.99 | per month |
| Annual Plan | $259.99 | per year |
| Annual Plan | $259.99 | per year |
| Annual Plan | $259.99 | per year |
| Annual Plan | $259.99 | per year |
| Annual Plan | $499.99 | per year |
| One Time Purchase Plan | $79.99 | one-time |
| One Time Purchase Plan | $99.99 | one-time |
| One Time Purchase Plan | $349.99 | one-time |
| One Time Purchase Plan | $449.99 | one-time |
| One Time Purchase Plan | $499.99 | one-time |
| One Time Purchase Plan | $799.99 | one-time |


## Frequently asked questions

### Is Categories free?

Categories costs $0.99, with no in-app purchases.

### Is SLK Curriculum free?

SLK Curriculum is free to download, with in-app purchases available.

### Which has better reviews, Categories or SLK Curriculum?

SLK Curriculum is rated higher. Categories averages 4.0 out of 5 from 15 ratings, while SLK Curriculum averages 4.6 from 9 ratings.

### Do Categories or SLK Curriculum have ads?

Neither Categories nor SLK Curriculum shows ads.

### Which is updated more often, Categories or SLK Curriculum?

Categories ships an update every 10 days, and SLK Curriculum weekly. Most recently, Categories was updated on October 24, 2026 and SLK Curriculum 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.*