# 小律 vs 小灵鸭

The clearest difference is update cadence: 小律 at every 4 days against 小灵鸭's every 3 weeks. 小律 also leads on review sentiment (97% vs 75%). 小灵鸭's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. 小律 sells 3 one-off in-app purchases and 小灵鸭 sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

小律 ships an update every 4 days, 小灵鸭 every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 小律 | 小灵鸭 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/id6448206193/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **97.3% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 192 MB | 32 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maanshan Tuxiaonan Technology Co., Ltd.](https://appshunter.io/developer/1681706632) | [Shanghai Shuyi Education Technology Co., Ltd.](https://appshunter.io/developer/1563391532) |

## What reviewers say

### 小律

[App page](https://appshunter.io/ios/app/id6448206193)

This app helps users improve time management and productivity through a cute and healing interface. It utilizes the Pomodoro Technique and offers features like video study logs, focus timers, and detailed statistics to combat procrastination and build self-discipline.

**Highlights:** Video study log and vlog creation, Focus timer with Pomodoro and countdown, Detailed time statistics and calendar view, Habit tracking and planning, Multi-device synchronization, Widgets and live activities

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 Pro | $0.99 | one-time |
| 半年会员 Pro | $4.99 | one-time |
| 年会员 Pro | $6.99 | one-time |


### 小灵鸭

[App page](https://appshunter.io/ios/app/id6736635589)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 畅学月卡 | $0.99 | one-time |
| 畅学年卡 | $8.99 | one-time |
| 永恒钻石卡 | $9.99 | one-time |


## Frequently asked questions

### Is 小律 free?

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

### Is 小灵鸭 free?

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

### Do 小律 or 小灵鸭 have ads?

Neither 小律 nor 小灵鸭 shows ads.

### Which is updated more often, 小律 or 小灵鸭?

小律 ships an update every 4 days, and 小灵鸭 every 3 weeks. Most recently, 小律 was updated on November 3, 2026 and 小灵鸭 on October 30, 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.*