# Hippo vs ProBox.vn

The clearest difference is in-app purchases: ProBox.vn at none against Hippo's 5. ProBox.vn also leads on iOS requirement (15.0 vs 18.4). Hippo's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Hippo sells 5 in-app purchases, starting at $1.99 per month. ProBox.vn asks for nothing beyond the download.

Hippo ships an update every 5 weeks, ProBox.vn every 3 months. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Hippo | ProBox.vn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (8 ratings)](https://appshunter.io/ios/app/hippo-contact-notes/id1458330948/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 15 MB |
| Requires iOS | 18.4 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Roel van der Kraan](https://appshunter.io/developer/1458330947) | [Lam Hoang Anh](https://appshunter.io/developer/1221785830) |

## What reviewers say

### Hippo

[App page](https://appshunter.io/ios/app/hippo-contact-notes/id1458330948)

This app helps you remember important details about your contacts. You can jot down notes, track events, and set reminders to stay connected and informed about people in your life. Your data is securely stored on your device.

**Highlights:** Contact notes, Event tracking, Custom reminders, Secure on-device storage, No contact access required, iCloud Drive backup

**Features:** Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hippo Monthly | $1.99 | per month |
| Monthly | $1.99 | per month |
| Yearly | $13.99 | per year |
| Hippo Yearly | $14.99 | per year |
| Lifetime | $29.99 | one-time |


### ProBox.vn

[App page](https://appshunter.io/ios/app/proboxvn/id1565916654)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hippo free?

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

### Is ProBox.vn free?

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

### Do Hippo or ProBox.vn have ads?

Neither Hippo nor ProBox.vn shows ads.

### Which is updated more often, Hippo or ProBox.vn?

Hippo ships an update every 5 weeks, and ProBox.vn every 3 months. Most recently, Hippo was updated on October 6, 2026 and ProBox.vn on October 16, 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.*