# KT 자가경비AI vs DAD Probability Calculator

The clearest difference is update cadence: KT 자가경비AI at every 3 weeks against DAD Probability Calculator's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

KT 자가경비AI ships an update every 3 weeks, DAD Probability Calculator every 3 months. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | KT 자가경비AI | DAD Probability Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 58 MB | 17 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [KPS Security System](https://appshunter.io/developer/1313124410) | [SUPARAIN,Inc.](https://appshunter.io/developer/1800793239) |

## What reviewers say

### KT 자가경비AI

[App page](https://appshunter.io/ios/app/kt-ai/id1581694728)

**Features:** macOS Compatibility

**In-app purchases:** none


### DAD Probability Calculator

[App page](https://appshunter.io/ios/app/dad-probability-calculator/id6756759185)

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

**In-app purchases:** none


## Frequently asked questions

### Is KT 자가경비AI free?

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

### Is DAD Probability Calculator free?

DAD Probability Calculator is free to download, with no in-app purchases.

### Do KT 자가경비AI or DAD Probability Calculator have ads?

Neither KT 자가경비AI nor DAD Probability Calculator shows ads.

### Which is updated more often, KT 자가경비AI or DAD Probability Calculator?

KT 자가경비AI ships an update every 3 weeks, and DAD Probability Calculator every 3 months. Most recently, KT 자가경비AI was updated on November 7, 2026 and DAD Probability Calculator on October 30, 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.*