# Syntax City vs SLK Curriculum

The clearest difference is review sentiment: Syntax City at 73% against SLK Curriculum's 0%. Syntax City also leads on in-app purchases (none vs 22) and iOS requirement (15.6 vs 17.0). SLK Curriculum's advantage is price (Free vs $24.99) and rating (4.6 vs 3.5). On ratings volume, ads and device support there is nothing between them.

SLK Curriculum is free to download; Syntax City costs $24.99 up front. SLK Curriculum sells 16 in-app purchases, starting at $25.99 per month. Syntax City asks for nothing beyond the download.

SLK Curriculum holds the better App Store score, 4.6 against 3.5. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews complicate that: 73% of Syntax City'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.

Syntax City ships an update every 11 months, SLK Curriculum weekly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Syntax City | SLK Curriculum |
| --- | --- | --- |
| Price | $24.99 | **Free** |
| Rating | [3.5 (4 ratings)](https://appshunter.io/ios/app/syntax-city/id561981400/reviews) | **[4.6 (9 ratings)](https://appshunter.io/ios/app/slk-curriculum/id6468837197/reviews)** |
| Number of ratings | 4 | **9** |
| Positive reviews | **72.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 139 MB | 127 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [Smarty Ears](https://appshunter.io/developer/348779167) | [Speech and Language Kids](https://appshunter.io/developer/1710629636) |

## What reviewers say

### Syntax City

[App page](https://appshunter.io/ios/app/syntax-city/id561981400)

This interactive app makes learning English grammar and syntax an adventure for elementary and middle school students. It features themed locations, animations, and play-based learning designed by a speech-language pathologist. The app offers detailed progress tracking and positive reinforcement to motivate practice.

**Highlights:** 8 grammar-focused locations, 415 questions across multiple difficulty levels, Evidence-based learning by a speech-language pathologist, Record and playback for self-correction, Collectible rewards and trophy case, Detailed progress tracking for individual players, Supports 1-5 players per session

**Features:** macOS Compatibility

**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 Syntax City free?

Syntax City costs $24.99, with no in-app purchases.

### Is SLK Curriculum free?

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

### Which has better reviews, Syntax City or SLK Curriculum?

SLK Curriculum is rated higher. Syntax City averages 3.5 out of 5 from 4 ratings, while SLK Curriculum averages 4.6 from 9 ratings.

### Do Syntax City or SLK Curriculum have ads?

Neither Syntax City nor SLK Curriculum shows ads.

### Which is updated more often, Syntax City or SLK Curriculum?

Syntax City ships an update every 11 months, and SLK Curriculum weekly. Most recently, Syntax City was updated on October 13, 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.*