# Hippo vs Genius Catalyst

The clearest difference is update cadence: Genius Catalyst at every 9 days against Hippo's every 5 weeks. Genius Catalyst also leads on iOS requirement (16.4 vs 18.4). On price, ads, in-app purchases 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 and Genius Catalyst sells 10 in-app purchases, starting at $19.00 per month. Whichever you choose, the download price is not the number that matters.

Hippo ships an update every 5 weeks, Genius Catalyst every 9 days. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Hippo | Genius Catalyst |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 32 MB | 61 MB |
| Requires iOS | 18.4 | **16.4** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Roel van der Kraan](https://appshunter.io/developer/1458330947) | [Michael Neill](https://appshunter.io/developer/1580875959) |

## 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 |


### Genius Catalyst

[App page](https://appshunter.io/ios/app/genius-catalyst/id6794343659)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DMN Monthly - Basic | $19.00 | per month |
| DMN Monthly - Standard | $99.00 | per month |
| DMN Monthly - Premium | $249.00 | per month |
| DMN - 25 Q&As (50% off) | $12.49 | one-time |
| DMN - 25 Q&As (20% off) | $20.00 | one-time |
| DMN - 50 Q&As (20% off) | $36.00 | one-time |
| DMN - 250 Q&As (50% off) | $75.00 | one-time |
| DMN - 500 Q&As (50% off) | $100.00 | one-time |
| DMN - 500 Q&As (20% off) | $159.99 | one-time |
| DMN - 500 Q&As | $200.00 | one-time |


## Frequently asked questions

### Is Hippo free?

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

### Is Genius Catalyst free?

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

### Do Hippo or Genius Catalyst have ads?

Neither Hippo nor Genius Catalyst shows ads.

### Which is updated more often, Hippo or Genius Catalyst?

Hippo ships an update every 5 weeks, and Genius Catalyst every 9 days. Most recently, Hippo was updated on September 27, 2026 and Genius Catalyst on September 23, 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.*