# OUVNS vs PDCA Success

The clearest difference is update cadence: OUVNS at every 2 days against PDCA Success's every 3 weeks. OUVNS also leads on iOS requirement (11.0 vs 15.6). On price, ads, 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.

OUVNS ships an update every 2 days, PDCA Success every 3 weeks. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | OUVNS | PDCA Success |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ouvns/id1479161595/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 44 MB | 108 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [HO CHI MINH CITY OPEN UNIVERSITY](https://appshunter.io/developer/1479161594) | [PDCA INNOVATION](https://appshunter.io/developer/1823042208) |

## What reviewers say

### OUVNS

[App page](https://appshunter.io/ios/app/ouvns/id1479161595)

This app helps students at Ho Chi Minh City Open University manage their academic journey. It provides access to schedules, grades, news, and important contact information, empowering students to take control of their learning path.

**Highlights:** View class schedules and exam timetables, Check aggregated and course-specific grades, Access news, events, and announcements, Take career aptitude quizzes, Find contact information for university departments, Record participation in university events

**Features:** macOS Compatibility

**In-app purchases:** none


### PDCA Success

[App page](https://appshunter.io/ios/app/pdca-success/id6747833832)

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

**In-app purchases:** none


## Frequently asked questions

### Is OUVNS free?

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

### Is PDCA Success free?

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

### Do OUVNS or PDCA Success have ads?

Neither OUVNS nor PDCA Success shows ads.

### Which is updated more often, OUVNS or PDCA Success?

OUVNS ships an update every 2 days, and PDCA Success every 3 weeks. Most recently, OUVNS was updated on October 9, 2026 and PDCA Success on October 25, 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.*