# Alfredo Backer vs 文法從0開始

The clearest difference is in-app purchases: Alfredo Backer at none against 文法從0開始's 1. 文法從0開始's advantage is update cadence (every 6 weeks vs every 8 months) and iOS requirement (11.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. 文法從0開始 sells 1 one-off in-app purchase. Alfredo Backer asks for nothing beyond the download.

Alfredo Backer ships an update every 8 months, 文法從0開始 every 6 weeks. The most recent releases landed on September 18, 2026 and June 9, 2026 respectively.

## The numbers

| Metric | Alfredo Backer | 文法從0開始 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (6 ratings)](https://appshunter.io/ios/app/0/id1330454546/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 38 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Externato Alfredo Backer Ltda](https://appshunter.io/developer/1535072495) | [JIAN-XIN JIANG](https://appshunter.io/developer/1209048640) |

## What reviewers say

### Alfredo Backer

[App page](https://appshunter.io/ios/app/alfredo-backer/id1212354980)

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

**In-app purchases:** none


### 文法從0開始

[App page](https://appshunter.io/ios/app/0/id1330454546)

This app offers a beginner-friendly approach to learning English grammar. It focuses on building simple sentence structures first, gradually introducing complexity. The content is written in a conversational style to make learning clear and confidence-building.

**Highlights:** Beginner-friendly grammar, Focus on sentence structure, Conversational language, Gradual complexity introduction, Clear explanations, Confidence building

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 英文文法從0開始-完整版 | $14.99 | one-time |


## Frequently asked questions

### Is Alfredo Backer free?

Alfredo Backer is free to download, with no in-app purchases.

### Is 文法從0開始 free?

文法從0開始 is free to download, with in-app purchases available.

### Do Alfredo Backer or 文法從0開始 have ads?

Neither Alfredo Backer nor 文法從0開始 shows ads.

### Which is updated more often, Alfredo Backer or 文法從0開始?

Alfredo Backer ships an update every 8 months, and 文法從0開始 every 6 weeks. Most recently, Alfredo Backer was updated on September 18, 2026 and 文法從0開始 on June 9, 2026.

---

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