# LingoWave vs PureAir Guide

The clearest difference is in-app purchases: LingoWave at none against PureAir Guide's 2. LingoWave also leads on iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PureAir Guide sells 2 in-app purchases, starting at $1.99 per month. LingoWave asks for nothing beyond the download.

LingoWave ships an update every 6 days, PureAir Guide every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | LingoWave | PureAir Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 65 MB | 61 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 17+ |
| Developer | [JINNO CO., LTD.](https://appshunter.io/developer/1862972140) | [Maxime Pontoire](https://appshunter.io/developer/525396222) |

## What reviewers say

### LingoWave

[App page](https://appshunter.io/ios/app/lingowave/id6762041755)

**Features:** macOS Compatibility

**In-app purchases:** none


### PureAir Guide

[App page](https://appshunter.io/ios/app/pureair-guide/id6762453860)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly premium | $1.99 | per month |
| Yearly Premium | $12.99 | per year |


## Frequently asked questions

### Is LingoWave free?

LingoWave is free to download, with no in-app purchases.

### Is PureAir Guide free?

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

### Do LingoWave or PureAir Guide have ads?

Neither LingoWave nor PureAir Guide shows ads.

### Which is updated more often, LingoWave or PureAir Guide?

LingoWave ships an update every 6 days, and PureAir Guide every 4 days. Most recently, LingoWave was updated on November 5, 2026 and PureAir Guide on October 31, 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.*