# Bootstrap Chinese Grammar vs ReadFlow

The clearest difference is update cadence: ReadFlow at every 2 months against Bootstrap Chinese Grammar's every 7 months. Bootstrap Chinese Grammar's advantage is iOS requirement (12.4 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Bootstrap Chinese Grammar sells 1 one-off in-app purchase and ReadFlow sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Bootstrap Chinese Grammar ships an update every 7 months, ReadFlow every 2 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | Bootstrap Chinese Grammar | ReadFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/bootstrap-chinese-grammar/id6504126572/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 33 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Declan Software](https://appshunter.io/developer/932750266) | [Paul Ekirapa](https://appshunter.io/developer/1818887572) |

## What reviewers say

### Bootstrap Chinese Grammar

[App page](https://appshunter.io/ios/app/bootstrap-chinese-grammar/id6504126572)

This app offers a structured, grammar-based approach to learning Chinese. It features clear explanations, numerous audio examples, and interactive exercises to build speaking and comprehension skills. A personal study list helps streamline the learning process.

**Highlights:** 200 grammar topics, 2800+ audio examples, Step-by-step learning, Interactive exercises, Personal study list, Companion book integration

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Chinese | $34.99 | one-time |


### ReadFlow

[App page](https://appshunter.io/ios/app/readflow-rsvp-speed-reader/id6760659861)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $34.99 | per year |


## Frequently asked questions

### Is Bootstrap Chinese Grammar free?

Bootstrap Chinese Grammar is free to download, with in-app purchases available.

### Is ReadFlow free?

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

### Do Bootstrap Chinese Grammar or ReadFlow have ads?

Neither Bootstrap Chinese Grammar nor ReadFlow shows ads.

### Which is updated more often, Bootstrap Chinese Grammar or ReadFlow?

Bootstrap Chinese Grammar ships an update every 7 months, and ReadFlow every 2 months. Most recently, Bootstrap Chinese Grammar was updated on October 3, 2026 and ReadFlow on October 3, 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.*