# PSIS Mobile vs PSIS GPP

PSIS Mobile and PSIS GPP are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PSIS Mobile ships an update every 4 months, PSIS GPP every 6 months. The most recent releases landed on October 25, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PSIS Mobile | PSIS GPP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 33 MB | 87 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sokheng Yong](https://appshunter.io/developer/1633787493) | [sovon khom](https://appshunter.io/developer/1332592182) |

## What reviewers say

### PSIS Mobile

[App page](https://appshunter.io/ios/app/psis-mobile/id1633787491)

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

**In-app purchases:** none


### PSIS GPP

[App page](https://appshunter.io/ios/app/psis-gpp/id6751321876)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PSIS Mobile free?

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

### Is PSIS GPP free?

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

### Do PSIS Mobile or PSIS GPP have ads?

Neither PSIS Mobile nor PSIS GPP shows ads.

### Which is updated more often, PSIS Mobile or PSIS GPP?

PSIS Mobile ships an update every 4 months, and PSIS GPP every 6 months. Most recently, PSIS Mobile was updated on October 25, 2026 and PSIS GPP on October 18, 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.*