# SmartKidzy vs SilentShadowWords

The clearest difference is in-app purchases: SilentShadowWords at none against SmartKidzy's 2. SilentShadowWords also leads on update cadence (every 4 days vs every 10 days). SmartKidzy's advantage is iOS requirement (11.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. SmartKidzy sells 2 in-app purchases, starting at $2.99 per month. SilentShadowWords asks for nothing beyond the download.

SmartKidzy ships an update every 10 days, SilentShadowWords every 4 days. The most recent releases landed on November 3, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | SmartKidzy | SilentShadowWords |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 680 MB | 60 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cyber Istanbul Bilisim Teknolojileri Anonim Sirketi](https://appshunter.io/developer/1031914552) | [Van Hieu Tran](https://appshunter.io/developer/6785108715) |

## What reviewers say

### SmartKidzy

[App page](https://appshunter.io/ios/app/smartkidzy/id6470271419)

This app provides a safe, teacher-approved educational experience for preschoolers. It features games and activities designed to teach coding basics, develop cognitive skills, and enhance creativity. Parents can also track their child's progress.

**Highlights:** Coding logic games, English alphabet and words learning, Shape matching and recognition, Coloring and artistic expression, Customizable puzzle games, Parental progress tracking

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Kidzy Unlimited Access | $2.99 | per month |
| Smart Kidzy Unlimited Access | $29.99 | per year |


### SilentShadowWords

[App page](https://appshunter.io/ios/app/silentshadowwords/id6785108713)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartKidzy free?

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

### Is SilentShadowWords free?

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

### Do SmartKidzy or SilentShadowWords have ads?

Neither SmartKidzy nor SilentShadowWords shows ads.

### Which is updated more often, SmartKidzy or SilentShadowWords?

SmartKidzy ships an update every 10 days, and SilentShadowWords every 4 days. Most recently, SmartKidzy was updated on November 3, 2026 and SilentShadowWords on October 21, 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.*