# Opentech Institute vs Sala App

The clearest difference is ads: Opentech Institute at none against Sala App's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

Opentech Institute ships an update every 3 weeks, Sala App fortnightly. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Opentech Institute | Sala App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (9 ratings)](https://appshunter.io/ios/app/sala-app/id1578490472/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Ad-supported |
| Size | 55 MB | 111 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sophea Sim](https://appshunter.io/developer/1542557150) | [Sala](https://appshunter.io/developer/1578485454) |

## What reviewers say

### Opentech Institute

[App page](https://appshunter.io/ios/app/opentech-institute/id1572791246)

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

**In-app purchases:** none


### Sala App

[App page](https://appshunter.io/ios/app/sala-app/id1578490472)

This app helps high school students in Cambodia explore university options, find educational promotions, and discover potential career paths. It provides guidance, test-based major recommendations, and connects students with college providers and future opportunities.

**Highlights:** University information portal, Educational promotions and deals, Major and career aptitude tests, College provider comparisons, Student networking opportunities, Career guidance

**In-app purchases:** none


## Frequently asked questions

### Is Opentech Institute free?

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

### Is Sala App free?

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

### Do Opentech Institute or Sala App have ads?

Sala App shows ads; Opentech Institute does not.

### Which is updated more often, Opentech Institute or Sala App?

Opentech Institute ships an update every 3 weeks, and Sala App fortnightly. Most recently, Opentech Institute was updated on November 7, 2026 and Sala App on November 3, 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.*