# Tech25 vs CTIA Threat Intelligence Prep

The clearest difference is update cadence: CTIA Threat Intelligence Prep at every 4 months against Tech25's every 19 months. CTIA Threat Intelligence Prep also leads on device support (3 vs 1). On price, ads, in-app purchases 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.

Tech25 ships an update every 19 months, CTIA Threat Intelligence Prep every 4 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Tech25 | CTIA Threat Intelligence Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 4 months** |
| Size | 15 MB | 26 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [25 Carrick Ave Project](https://appshunter.io/developer/1605797497) | [Davy Raitt](https://appshunter.io/developer/1795318281) |

## What reviewers say

### Tech25

[App page](https://appshunter.io/ios/app/tech25/id1605797345)

**In-app purchases:** none


### CTIA Threat Intelligence Prep

[App page](https://appshunter.io/ios/app/ctia-threat-intelligence-prep/id6758308548)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tech25 free?

Tech25 is free to download, with no in-app purchases.

### Is CTIA Threat Intelligence Prep free?

CTIA Threat Intelligence Prep is free to download, with no in-app purchases.

### Do Tech25 or CTIA Threat Intelligence Prep have ads?

Neither Tech25 nor CTIA Threat Intelligence Prep shows ads.

### Which is updated more often, Tech25 or CTIA Threat Intelligence Prep?

Tech25 ships an update every 19 months, and CTIA Threat Intelligence Prep every 4 months. Most recently, Tech25 was updated on October 27, 2026 and CTIA Threat Intelligence Prep on October 28, 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.*