# LightLing vs Rulvo

The clearest difference is iOS requirement: LightLing at 15.6 against Rulvo's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. LightLing sells 3 in-app purchases, starting at $2.99 per month and Rulvo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

LightLing ships an update every 4 days, Rulvo every 5 days. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | LightLing | Rulvo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rulvo/id6807753839/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 95 MB | 162 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 9+ |
| Developer | [PXBT](https://appshunter.io/developer/1803806340) | [同德 郑](https://appshunter.io/developer/6788617584) |

## What reviewers say

### LightLing

[App page](https://appshunter.io/ios/app/lightling-language-learning/id6758724787)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thunderbolt Monthly | $2.99 | per month |
| Thunderbolt Year | $12.99 | per year |
| Thunderbolt Lifetime | $12.99 | 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 features countdowns, timers, and reminders to keep users on track and prepared for their academic goals.

**Highlights:** Exam countdowns, Study session timers, Daily timetable scheduling, Reminders and alarms, 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 LightLing free?

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

### Is Rulvo free?

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

### Do LightLing or Rulvo have ads?

Neither LightLing nor Rulvo shows ads.

### Which is updated more often, LightLing or Rulvo?

LightLing ships an update every 4 days, and Rulvo every 5 days. Most recently, LightLing was updated on November 9, 2026 and Rulvo on November 6, 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.*