# UOON vs Memo

The clearest difference is in-app purchases: UOON at none against Memo's 6. UOON also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). Memo's advantage is update cadence (every 4 days vs monthly). On price and ads there is nothing between them.

Both are free to download. Memo sells 6 one-off in-app purchases. UOON asks for nothing beyond the download.

UOON ships an update monthly, Memo every 4 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | UOON | Memo |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 196 MB | 71 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +17 |
| Developer | [HOOMWEB Servicos de Internet LTDA.](https://appshunter.io/developer/836215792) | [Vitor Ribeiro](https://appshunter.io/developer/1895929011) |

## What reviewers say

### UOON

[App page](https://appshunter.io/ios/app/uoon/id6747360679)

**Features:** macOS Compatibility

**In-app purchases:** none


### Memo

[App page](https://appshunter.io/ios/app/memo-capture-momentos/id6764828880)

This app allows guests to contribute photos and videos to a shared album for special occasions. Create an event, invite attendees, and collect diverse perspectives of the same moment in one organized place.

**Highlights:** Create shared albums for events, Invite guests via link or QR code, Collect photos and videos from all attendees, Organize memories by event, Relive moments anytime

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memo - até 20 convidados | $2.99 | one-time |
| Memo - até 50 convidados | $7.99 | one-time |
| Memo - até 100 convidados | $14.99 | one-time |
| Compra - até 150 convidados | $22.99 | one-time |
| Compra - até 200 convidados | $29.99 | one-time |
| Compra - convidados ilimitados | $79.99 | one-time |


## Frequently asked questions

### Is UOON free?

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

### Is Memo free?

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

### Do UOON or Memo have ads?

Neither UOON nor Memo shows ads.

### Which is updated more often, UOON or Memo?

UOON ships an update monthly, and Memo every 4 days. Most recently, UOON was updated on October 24, 2026 and Memo on October 31, 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.*