# alpha.b Institut Linguistique vs Pendlo

The clearest difference is in-app purchases: alpha.b Institut Linguistique at none against Pendlo's 2. alpha.b Institut Linguistique also leads on iOS requirement (11.0 vs 15.0). Pendlo's advantage is update cadence (every 5 days vs every 47 months). On price, ads and device support there is nothing between them.

Both are free to download. Pendlo sells 2 in-app purchases, starting at $5.99 per month. alpha.b Institut Linguistique asks for nothing beyond the download.

alpha.b Institut Linguistique ships an update every 47 months, Pendlo every 5 days. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | alpha.b Institut Linguistique | Pendlo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 5 days** |
| Size | 20 MB | 24 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Fidelo Software GmbH](https://appshunter.io/developer/890925542) | [Nico Zeller](https://appshunter.io/developer/6804448699) |

## What reviewers say

### alpha.b Institut Linguistique

[App page](https://appshunter.io/ios/app/alphab-institut-linguistique/id960292120)

**Features:** macOS Compatibility

**In-app purchases:** none


### Pendlo

[App page](https://appshunter.io/ios/app/pendlo/id6804448487)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pendlo PLUS | $5.99 | per month |
| Pendlo PLUS Jahr | $44.99 | per year |


## Frequently asked questions

### Is alpha.b Institut Linguistique free?

alpha.b Institut Linguistique is free to download, with no in-app purchases.

### Is Pendlo free?

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

### Do alpha.b Institut Linguistique or Pendlo have ads?

Neither alpha.b Institut Linguistique nor Pendlo shows ads.

### Which is updated more often, alpha.b Institut Linguistique or Pendlo?

alpha.b Institut Linguistique ships an update every 47 months, and Pendlo every 5 days. Most recently, alpha.b Institut Linguistique was updated on October 26, 2026 and Pendlo on October 23, 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.*