# VNVC vs OvumB

The clearest difference is rating: VNVC at 4.6 against OvumB's 3.0. VNVC also leads on update cadence (weekly vs fortnightly) and ratings volume (10 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

VNVC holds the better App Store score, 4.6 against 3.0. That said, the two scores are not equally well evidenced: VNVC has 10 ratings behind it against 2, so its average is the more settled of the two.

VNVC ships an update weekly, OvumB fortnightly. The most recent releases landed on October 23, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | VNVC | OvumB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/vnvc/id1563851266/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/ovumb/id6449699281/reviews) |
| Number of ratings | **10** | 2 |
| Positive reviews | 57.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | Free |
| Size | 86 MB | 78 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [VIETNAM VACCINE JOINT STOCK COMPANY](https://appshunter.io/developer/1563851268) | [TMSC VIET NAM MEDICAL TECHNOLOGY COMPANY LIMITED](https://appshunter.io/developer/1690129367) |

## What reviewers say

### VNVC

[App page](https://appshunter.io/ios/app/vnvc/id1563851266)

This app serves as an official immunization portal, allowing users to track vaccination history, receive personalized vaccine recommendations, and stay updated on health information. It also provides access to exclusive promotions and integrates with premium healthcare services.

**Highlights:** Track vaccination history, Personalized vaccine recommendations, Health news and expert guidance, Exclusive promotions and loyalty points, Book vaccine appointments, Integrates with healthcare services

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

**In-app purchases:** none


### OvumB

[App page](https://appshunter.io/ios/app/ovumb/id6449699281)

This app helps track menstrual cycles, predict ovulation, and offers pregnancy support. It uses AI to analyze test strips and provides a community for users. It also includes features for mother and baby care, and expert consultation.

**Highlights:** AI-powered ovulation prediction, Menstrual cycle tracking, Pregnancy support mode, Test strip result analysis, Mother and baby care, Emotional diary, Community forum

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

**In-app purchases:** none


## Frequently asked questions

### Is VNVC free?

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

### Is OvumB free?

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

### Which has better reviews, VNVC or OvumB?

VNVC is rated higher. VNVC averages 4.6 out of 5 from 10 ratings, while OvumB averages 3.0 from 2 ratings.

### Do VNVC or OvumB have ads?

Neither VNVC nor OvumB shows ads.

### Which is updated more often, VNVC or OvumB?

VNVC ships an update weekly, and OvumB fortnightly. Most recently, VNVC was updated on October 23, 2026 and OvumB on September 28, 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.*