# KidyWoo vs Souv

The clearest difference is ads: KidyWoo at none against Souv's shown. Souv's advantage is update cadence (every 3 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

KidyWoo ships an update monthly, Souv every 3 days. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | KidyWoo | Souv |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | — | Ad-supported |
| Size | 40 MB | 16 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bastien Duseaux](https://appshunter.io/developer/1542104755) | [Knitflow](https://appshunter.io/developer/1663661343) |

## What reviewers say

### KidyWoo

[App page](https://appshunter.io/ios/app/kidywoo/id1542104753)

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

**In-app purchases:** none


### Souv

[App page](https://appshunter.io/ios/app/souv/id6614737540)

Digitally preserve your handwritten letters and cherished memories. Easily upload, organize, and securely store your heartfelt messages in a personalized archive. Relive the nostalgia of special moments anytime.

**Highlights:** Preserve handwritten letters digitally, Easy upload and organization, Secure iCloud storage, Relive nostalgic emotions, Personalized letter collection

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

**In-app purchases:** none


## Frequently asked questions

### Is KidyWoo free?

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

### Is Souv free?

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

### Do KidyWoo or Souv have ads?

Souv shows ads; KidyWoo does not.

### Which is updated more often, KidyWoo or Souv?

KidyWoo ships an update monthly, and Souv every 3 days. Most recently, KidyWoo was updated on November 7, 2026 and Souv on November 4, 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.*