# Rainbow Sentences vs Syntax City

The clearest difference is price: Rainbow Sentences at $9.99 against Syntax City's $24.99. Rainbow Sentences also leads on review sentiment (94% vs 73%) and rating (3.7 vs 3.5). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Rainbow Sentences costs $9.99 and Syntax City $24.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rainbow Sentences holds the better App Store score, 3.7 against 3.5. Both are backed by a comparable volume of ratings — 15 and 4 respectively. Written reviews point the same way: 94% of Rainbow Sentences's written reviews are positive against 73% of Syntax City's.

Rainbow Sentences ships an update every 6 months, Syntax City every 11 months. The most recent releases landed on June 9, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Rainbow Sentences | Syntax City |
| --- | --- | --- |
| Price | **$9.99** | $24.99 |
| Rating | **[3.7 (15 ratings)](https://appshunter.io/ios/app/rainbow-sentences/id427578209/reviews)** | [3.5 (4 ratings)](https://appshunter.io/ios/app/syntax-city/id561981400/reviews) |
| Number of ratings | **15** | 4 |
| Positive reviews | **94.4% of reviews** | 72.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 11 months |
| Monetization | Paid | Paid |
| Size | 179 MB | 139 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Education Store LLC](https://appshunter.io/developer/344378744) | [Smarty Ears](https://appshunter.io/developer/348779167) |

## What reviewers say

### Rainbow Sentences

[App page](https://appshunter.io/ios/app/rainbow-sentences/id427578209)

This app uses color-coded visual cues to help students construct grammatically correct sentences. It breaks down sentence parts like who, what, and where, allowing users to build and record sentences in their own voice. Designed for young learners, it offers interactive lessons and engaging rewards.

**Highlights:** Color-coded sentence parts, Drag and drop sentence creation, Audio support for words, Sentence recording and saving, 6 levels of sentence complexity, Pictograph lessons, Earnable puzzle piece rewards

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Rainbow Sentences free?

Rainbow Sentences costs $9.99, with no in-app purchases.

### Is Syntax City free?

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

### Which has better reviews, Rainbow Sentences or Syntax City?

Rainbow Sentences is rated higher. Rainbow Sentences averages 3.7 out of 5 from 15 ratings, while Syntax City averages 3.5 from 4 ratings.

### Do Rainbow Sentences or Syntax City have ads?

Neither Rainbow Sentences nor Syntax City shows ads.

### Which is updated more often, Rainbow Sentences or Syntax City?

Rainbow Sentences ships an update every 6 months, and Syntax City every 11 months. Most recently, Rainbow Sentences was updated on June 9, 2026 and Syntax City on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*