# KnowZee vs Umi

The clearest difference is in-app purchases: KnowZee at none against Umi's 9. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Umi sells 9 in-app purchases, starting at $14.99 per 7 days. KnowZee asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | KnowZee | Umi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 47 MB | 55 MB |
| Requires iOS | 15.1 | **15** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Eliezer Tarlow](https://appshunter.io/developer/1819776957) | [Happy Oversea Limited](https://appshunter.io/developer/1893505836) |

## What reviewers say

### KnowZee

[App page](https://appshunter.io/ios/app/knowzee/id6763048684)

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

**In-app purchases:** none


### Umi

[App page](https://appshunter.io/ios/app/umi-postshare/id6767474247)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly sub | $14.99 | per 7 days |
| Monthly sub | $29.99 | per month |
| Annual sub | $69.99 | per year |
| 200 Gold Coin Pack | $3.99 | one-time |
| 500 Gold Coin Pack | $9.99 | one-time |
| 1000 Gold Coin Pack | $19.99 | one-time |
| 2000 Gold Coin Pack | $39.99 | one-time |
| 3000 Gold Coin Pack | $59.99 | one-time |
| 5000 Gold Coin Pack | $99.99 | one-time |


## Frequently asked questions

### Is KnowZee free?

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

### Is Umi free?

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

### Do KnowZee or Umi have ads?

Neither KnowZee nor Umi shows ads.

### Which is updated more often, KnowZee or Umi?

KnowZee ships an update weekly, and Umi weekly. Most recently, KnowZee was updated on November 9, 2026 and Umi on November 5, 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.*