# PSU App vs LANGO

The clearest difference is in-app purchases: PSU App at none against LANGO's 5. LANGO's advantage is update cadence (weekly vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LANGO sells 5 in-app purchases, starting at $4.99 per month. PSU App asks for nothing beyond the download.

PSU App ships an update every 2 weeks, LANGO weekly. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PSU App | LANGO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 72 MB | 283 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PRINCE OF SONGKLA UNIVERSITY](https://appshunter.io/developer/1456089991) | [CODEWORK](https://appshunter.io/developer/1888701437) |

## What reviewers say

### PSU App

[App page](https://appshunter.io/ios/app/psu-app/id1607333227)

This official university application consolidates essential campus services for students, staff, and visitors. It provides a centralized platform for accessing various university resources and information.

**Highlights:** Official university application, Consolidated campus services, For students, staff, and visitors, Centralized resource access

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

**In-app purchases:** none


### LANGO

[App page](https://appshunter.io/ios/app/langod/id6761912955)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LANGO:D Basic | $4.99 | per month |
| LANGO:D Pro | $9.99 | per month |
| 5,000 Character Credits | $1.99 | one-time |
| 15,000 Character Credits | $2.99 | one-time |
| 40,000 Character Credits | $5.99 | one-time |


## Frequently asked questions

### Is PSU App free?

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

### Is LANGO free?

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

### Do PSU App or LANGO have ads?

Neither PSU App nor LANGO shows ads.

### Which is updated more often, PSU App or LANGO?

PSU App ships an update every 2 weeks, and LANGO weekly. Most recently, PSU App was updated on October 8, 2026 and LANGO on September 30, 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.*