# Sub Security vs DefaultAI

The clearest difference is device support: DefaultAI at 3 against Sub Security's 1. DefaultAI also leads on iOS requirement (15.5 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Sub Security sells 2 in-app purchases, starting at $5.99 per 7 days and DefaultAI sells 6 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Sub Security | DefaultAI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Size | 9 MB | 85 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [SONATA COMMERCE LP](https://appshunter.io/developer/6795714047) | [Muhammad Salman Khan](https://appshunter.io/developer/6803437971) |

## What reviewers say

### Sub Security

[App page](https://appshunter.io/ios/app/sub-security-stay-private/id6795714045)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sub Security Subscription Week | $5.99 | per 7 days |
| Sub Security Subscription Year | $59.99 | per year |


### DefaultAI

[App page](https://appshunter.io/ios/app/defaultai-default-browser/id6809700975)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscriptions | $9.99 | per 7 days |
| Monthly Subscriptions | $24.99 | per month |
| Yearly Subscriptions | $39.99 | per year |
| Small Packs | $7.99 | one-time |
| Medium Packs | $14.99 | one-time |
| Large Packs | $24.99 | one-time |


## Frequently asked questions

### Is Sub Security free?

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

### Is DefaultAI free?

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

### Do Sub Security or DefaultAI have ads?

Neither Sub Security nor DefaultAI shows ads.

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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.*