# Rainbow Sentences vs Keyboard Champion

The clearest difference is price: Keyboard Champion at $1.99 against Rainbow Sentences's $9.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Rainbow Sentences costs $9.99 and Keyboard Champion $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rainbow Sentences ships an update every 6 months, Keyboard Champion every 8 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Rainbow Sentences | Keyboard Champion |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | **[3.7 (15 ratings)](https://appshunter.io/ios/app/rainbow-sentences/id427578209/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 94.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 8 months |
| Monetization | Paid | — |
| Size | 179 MB | 25 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPad | **iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Education Store LLC](https://appshunter.io/developer/344378744) | [Ventura Educational Systems](https://appshunter.io/developer/371324172) |

## 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

**What reviewers like**

- 👍 Highly customizable and adaptable
- 🎨 Color-coding for visual learners
- 🗣️ Recording and playback feature
- 🧩 Motivating reward system (puzzles)
- 📊 Progress tracking and reporting

**What reviewers complain about**

- 😠 Ads in a paid app
- 🚫 Unremovable advertisements
- 🐛 App loads into settings
- 🧩 Puzzle can be distracting
- 🚧 Cannot go from sentence building to settings/stats

**Reported bugs**

- Advertisement cannot be gotten rid of
- App loads into settings
- Program loads into settings options
- Advertisement for another Mobile app that cannot be gotten rid of
- App description page only scrolls partway

**Requested features**

- Remove ads from paid app
- Set app to load into play mode by default
- Restrict settings for adults only
- Add questions and past/future tenses
- Make pictures more age-appropriate for high school


### Keyboard Champion

[App page](https://appshunter.io/ios/app/keyboard-champion/id1104988129)

**In-app purchases:** none


## Frequently asked questions

### Is Rainbow Sentences free?

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

### Is Keyboard Champion free?

Keyboard Champion costs $1.99, with no in-app purchases.

### Do Rainbow Sentences or Keyboard Champion have ads?

Neither Rainbow Sentences nor Keyboard Champion shows ads.

### Which is updated more often, Rainbow Sentences or Keyboard Champion?

Rainbow Sentences ships an update every 6 months, and Keyboard Champion every 8 months. Most recently, Rainbow Sentences was updated on November 1, 2026 and Keyboard Champion on November 6, 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.*