# TechCert Pro vs Six Sigma Black Belt Training

The clearest difference is update cadence: TechCert Pro at every 5 days against Six Sigma Black Belt Training's every 10 days. Six Sigma Black Belt Training's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TechCert Pro sells 2 in-app purchases, starting at $4.99 per month and Six Sigma Black Belt Training sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

TechCert Pro ships an update every 5 days, Six Sigma Black Belt Training every 10 days. The most recent releases landed on October 28, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | TechCert Pro | Six Sigma Black Belt Training |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Size | 47 MB | 44 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jeffery Galen Reed](https://appshunter.io/developer/1819964083) | [EXAMCERT PTY LTD](https://appshunter.io/developer/1830664214) |

## What reviewers say

### TechCert Pro

[App page](https://appshunter.io/ios/app/techcert-pro-it-exam-prep/id6753570799)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tech Cert Pro Monthly | $4.99 | per month |
| Tech Cert Pro Yearly | $49.99 | per year |


### Six Sigma Black Belt Training

[App page](https://appshunter.io/ios/app/six-sigma-black-belt-training/id6779500020)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 AI Credits | $1.99 | one-time |
| UNlock Premium | $5.99 | one-time |


## Frequently asked questions

### Is TechCert Pro free?

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

### Is Six Sigma Black Belt Training free?

Six Sigma Black Belt Training is free to download, with in-app purchases available.

### Do TechCert Pro or Six Sigma Black Belt Training have ads?

Neither TechCert Pro nor Six Sigma Black Belt Training shows ads.

### Which is updated more often, TechCert Pro or Six Sigma Black Belt Training?

TechCert Pro ships an update every 5 days, and Six Sigma Black Belt Training every 10 days. Most recently, TechCert Pro was updated on October 28, 2026 and Six Sigma Black Belt Training on November 10, 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.*