# Security CPO vs TDI Tuning

The clearest difference is price: TDI Tuning at Free against Security CPO's $1.99. TDI Tuning also leads on update cadence (every 3 months vs every 6 months). Security CPO's advantage is review sentiment (50% vs 39%) and iOS requirement (13.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

TDI Tuning is free to download; Security CPO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Security CPO ships an update every 6 months, TDI Tuning every 3 months. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Security CPO | TDI Tuning |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/tdi-tuning/id1377233586/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | **50.0% of reviews** | 38.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Size | 32 MB | 23 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [N Howe](https://appshunter.io/developer/662757460) | [TDI Tuning](https://appshunter.io/developer/1377233585) |

## What reviewers say

### Security CPO

[App page](https://appshunter.io/ios/app/security-cpo/id1294645271)

This app provides resources for individuals in or aspiring to join the security industry. It offers knowledge expansion, skill enhancement, and career development support, including networking information, packing lists, and counter-terrorism guidance.

**Highlights:** Networking Information, Task-specific Packing Lists, Job Checklists, Mapping Support with Emergency Services, Counter-Terrorism Guidance, CV Preparation, Work Search Advice

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

**In-app purchases:** none


### TDI Tuning

[App page](https://appshunter.io/ios/app/tdi-tuning/id1377233586)

Enhance your vehicle's power, torque, and economy directly from your driver's seat. This app connects to your TDI-Tuning Bluetooth system, allowing instant performance adjustments and access to a community of car enthusiasts for tips and support.

**Highlights:** Bluetooth system connection, Instant performance setting changes, Seven custom performance programs, Engine delay timer, Discreet mode, Revert to factory settings, Community access

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

**In-app purchases:** none


## Frequently asked questions

### Is Security CPO free?

Security CPO costs $1.99, with no in-app purchases.

### Is TDI Tuning free?

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

### Do Security CPO or TDI Tuning have ads?

Neither Security CPO nor TDI Tuning shows ads.

### Which is updated more often, Security CPO or TDI Tuning?

Security CPO ships an update every 6 months, and TDI Tuning every 3 months. Most recently, Security CPO was updated on October 9, 2026 and TDI Tuning on October 5, 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.*