# LightLing vs CastMind

The clearest difference is price: LightLing at Free against CastMind's $5.99. LightLing also leads on update cadence (every 4 days vs every 2 weeks) and device support (3 vs 1). CastMind's advantage is in-app purchases (none vs 3). On ads there is nothing between them.

LightLing is free to download; CastMind costs $5.99 up front. LightLing sells 3 in-app purchases, starting at $2.99 per month. CastMind asks for nothing beyond the download.

LightLing ships an update every 4 days, CastMind every 2 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LightLing | CastMind |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Size | 95 MB | 15 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [PXBT](https://appshunter.io/developer/1803806340) | [文 杨](https://appshunter.io/developer/6785084591) |

## 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 |


### CastMind

[App page](https://appshunter.io/ios/app/castmind/id6785098787)

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

**In-app purchases:** none


## Frequently asked questions

### Is LightLing free?

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

### Is CastMind free?

CastMind costs $5.99, with no in-app purchases.

### Do LightLing or CastMind have ads?

Neither LightLing nor CastMind shows ads.

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

LightLing ships an update every 4 days, and CastMind every 2 weeks. Most recently, LightLing was updated on October 28, 2026 and CastMind 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.*