# 小词书 vs Rulvo

The clearest difference is monetization model: 小词书 at free against Rulvo's free with in-app purchases. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. 小词书 sells 1 one-off in-app purchase and Rulvo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 小词书 against 5.0 for Rulvo. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

小词书 ships an update weekly, Rulvo every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 小词书 | Rulvo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/a4/id6751853827/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/rulvo/id6807753839/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 162 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [金超 杜](https://appshunter.io/developer/1813785741) | [同德 郑](https://appshunter.io/developer/6788617584) |

## What reviewers say

### 小词书

[App page](https://appshunter.io/ios/app/a4/id6751853827)

This app simplifies vocabulary learning with intuitive swipe gestures, mimicking a proven A4 paper method. It utilizes spaced repetition and focus modes to enhance memorization without distractions like scores or leaderboards. Users can learn from built-in or custom word lists and track progress visually.

**Highlights:** Intuitive swipe gestures for learning, Spaced repetition algorithm, Focus modes for distraction-free study, Built-in and custom word lists, Progress tracking with heatmaps and charts, Customizable interface and automatic backup

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小词书Plus | $4.99 | one-time |


### Rulvo

[App page](https://appshunter.io/ios/app/rulvo/id6807753839)

This app helps students manage their academic life by providing tools for scheduling, focused study sessions, and exam preparation. It offers countdown timers, customizable plans, and progress tracking to ensure users are ready for their exams.

**Highlights:** Exam countdown timer, Daily timetable scheduling, Focused study sessions with breaks, Timed exam practice mode, Live Activity and Home Screen widgets, Learning history and daily summaries

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 格律 Pro 永久解锁 | $5.99 | one-time |


## Frequently asked questions

### Is 小词书 free?

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

### Is Rulvo free?

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

### Which has better reviews, 小词书 or Rulvo?

小词书 and Rulvo are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do 小词书 or Rulvo have ads?

Neither 小词书 nor Rulvo shows ads.

### Which is updated more often, 小词书 or Rulvo?

小词书 ships an update weekly, and Rulvo every 5 days. Most recently, 小词书 was updated on October 24, 2026 and Rulvo on October 25, 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.*