# RainbowOne vs 默書啦喂

The clearest difference is review sentiment: RainbowOne at 100% against 默書啦喂's 50%. RainbowOne also leads on rating (4.0 vs 2.7) and iOS requirement (12.0 vs 15.5). 默書啦喂's advantage is update cadence (every 4 days vs every 2 months) and ratings volume (6 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. RainbowOne sells 6 one-off in-app purchases and 默書啦喂 sells 6 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

RainbowOne holds the better App Store score, 4.0 against 2.7. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 100% of RainbowOne's written reviews are positive against 50% of 默書啦喂's.

RainbowOne ships an update every 2 months, 默書啦喂 every 4 days. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | RainbowOne | 默書啦喂 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/rainbowone/id1019429184/reviews)** | [2.7 (6 ratings)](https://appshunter.io/ios/app/ai/id6753712775/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 287 MB | 362 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308) | [LW Group Limited](https://appshunter.io/developer/1844604778) |

## What reviewers say

### RainbowOne

[App page](https://appshunter.io/ios/app/rainbowone/id1019429184)

Create and deliver interactive e-learning materials with a powerful e-book editor. Engage students through cross-platform lessons, auto-corrected exercises, and instant learning data analysis. Share and discover educational content in a dedicated bookstore.

**Highlights:** Innovative e-book editor with 80+ tools, Cross-platform interactive lessons, Auto-corrected exercises, Instant learning data analysis, Bookstore for sharing and editing e-books, Class management tools

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 8個金幣 | $0.99 | one-time |
| 48個金幣 | $5.99 | one-time |
| 98個金幣 | $12.99 | one-time |
| 218個金幣 | $27.99 | one-time |
| 368個金幣 | $46.99 | one-time |
| 688個金幣 | $89.99 | one-time |


### 默書啦喂

[App page](https://appshunter.io/ios/app/ai/id6753712775)

This AI-powered tool helps students practice Chinese dictation with features like photo recognition for list creation, auto-playback in Cantonese and Mandarin, and stroke order animations. It supports various input methods and cloud sync for seamless practice across devices.

**Highlights:** Photo recognition for dictation lists, Auto playback with adjustable speed, Stroke order animations, Multiple input methods, Cloud sync across devices, Progress tracking

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $6.99 | per month |
| AI Pro Monthly | $8.99 | per month |
| AI Pro Family Monthly | $14.99 | per month |
| Plus Yearly | $69.99 | per year |
| AI Pro Yearly | $89.99 | per year |
| AI Pro Family Yearly | $149.99 | per year |


## Frequently asked questions

### Is RainbowOne free?

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

### Is 默書啦喂 free?

默書啦喂 is free to download, with in-app purchases available.

### Which has better reviews, RainbowOne or 默書啦喂?

RainbowOne is rated higher. RainbowOne averages 4.0 out of 5 from 2 ratings, while 默書啦喂 averages 2.7 from 6 ratings.

### Do RainbowOne or 默書啦喂 have ads?

Neither RainbowOne nor 默書啦喂 shows ads.

### Which is updated more often, RainbowOne or 默書啦喂?

RainbowOne ships an update every 2 months, and 默書啦喂 every 4 days. Most recently, RainbowOne was updated on September 8, 2026 and 默書啦喂 on September 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.*