# RST 599TK Pro vs Kidco.ai

The clearest difference is price: Kidco.ai at Free against RST 599TK Pro's $2.99. Kidco.ai also leads on update cadence (every 3 weeks vs every 3 months). RST 599TK Pro's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Kidco.ai is free to download; RST 599TK Pro costs $2.99 up front. Kidco.ai sells 1 in-app purchase, starting at $19.99 per month. RST 599TK Pro asks for nothing beyond the download.

RST 599TK Pro ships an update every 3 months, Kidco.ai every 3 weeks. The most recent releases landed on October 17, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RST 599TK Pro | Kidco.ai |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/kidcoai/id6755650310/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 32 MB | 70 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [koji kamogawa](https://appshunter.io/developer/1488210713) | [Kidco.ai](https://appshunter.io/developer/1855265192) |

## What reviewers say

### RST 599TK Pro

[App page](https://appshunter.io/ios/app/rst-599tk-pro/id1511628467)

**In-app purchases:** none


### Kidco.ai

[App page](https://appshunter.io/ios/app/kidcoai/id6755650310)

Monitor your child's AI device activity and manage screen time for enhanced digital safety. Easily pair devices, track usage, and customize settings to foster smarter parenting and learning. Provides peace of mind for families seeking a safe and engaging AI experience.

**Highlights:** Monitor AI device activity, Manage screen time, Receive real-time alerts, Pair devices easily, Track usage, Customize settings

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Base Monthly Subscription | $19.99 | per month |


## Frequently asked questions

### Is RST 599TK Pro free?

RST 599TK Pro costs $2.99, with no in-app purchases.

### Is Kidco.ai free?

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

### Do RST 599TK Pro or Kidco.ai have ads?

Neither RST 599TK Pro nor Kidco.ai shows ads.

### Which is updated more often, RST 599TK Pro or Kidco.ai?

RST 599TK Pro ships an update every 3 months, and Kidco.ai every 3 weeks. Most recently, RST 599TK Pro was updated on October 17, 2026 and Kidco.ai on October 9, 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.*