# 句式 vs Dropling

The clearest difference is iOS requirement: 句式 at 15.1 against Dropling's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 句式 sells 1 in-app purchase, starting at $4.99 per month and Dropling sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

句式 ships an update every 9 days, Dropling every 10 days. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | 句式 | Dropling |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 10 days |
| Size | 54 MB | 30 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Fabian Grimme](https://appshunter.io/developer/1811312259) | [Duckino s.r.o.](https://appshunter.io/developer/1873647743) |

## What reviewers say

### 句式

[App page](https://appshunter.io/ios/app/chinese-sentence-patterns/id6746727374)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per month |


### Dropling

[App page](https://appshunter.io/ios/app/dropling-lock-screen-learning/id6778164370)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dropling+ | $7.99 | per month |
| Dropling+ | $59.99 | per year |


## Frequently asked questions

### Is 句式 free?

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

### Is Dropling free?

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

### Do 句式 or Dropling have ads?

Neither 句式 nor Dropling shows ads.

### Which is updated more often, 句式 or Dropling?

句式 ships an update every 9 days, and Dropling every 10 days. Most recently, 句式 was updated on September 13, 2026 and Dropling on September 20, 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.*