# Supply Chain Professional Test vs TECD

The clearest difference is in-app purchases: TECD at none against Supply Chain Professional Test's 4. TECD also leads on update cadence (every 5 weeks vs every 6 months). Supply Chain Professional Test's advantage is iOS requirement (12.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. Supply Chain Professional Test sells 4 in-app purchases, starting at $9.99 per 7 days. TECD asks for nothing beyond the download.

Supply Chain Professional Test ships an update every 6 months, TECD every 5 weeks. The most recent releases landed on September 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Supply Chain Professional Test | TECD |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 weeks** |
| Size | 83 MB | 152 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erdem Kara](https://appshunter.io/developer/1015700209) | [Kambria International](https://appshunter.io/developer/1750241279) |

## What reviewers say

### Supply Chain Professional Test

[App page](https://appshunter.io/ios/app/supply-chain-professional-test/id6478640481)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium - Weekly Subscription | $9.99 | per 7 days |
| Premium - Monthly Subscription | $24.99 | per month |
| Premium-Quarterly Subscription | $49.99 | per 3 months |
| Premium - Yearly Subscription | $99.99 | per year |


### TECD

[App page](https://appshunter.io/ios/app/tecd/id6503892042)

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

**In-app purchases:** none


## Frequently asked questions

### Is Supply Chain Professional Test free?

Supply Chain Professional Test is free to download, with in-app purchases available.

### Is TECD free?

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

### Do Supply Chain Professional Test or TECD have ads?

Neither Supply Chain Professional Test nor TECD shows ads.

### Which is updated more often, Supply Chain Professional Test or TECD?

Supply Chain Professional Test ships an update every 6 months, and TECD every 5 weeks. Most recently, Supply Chain Professional Test was updated on September 25, 2026 and TECD on October 12, 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.*