# Infonest vs NDT Cert Study

The clearest difference is in-app purchases: Infonest at none against NDT Cert Study's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. NDT Cert Study sells 10 one-off in-app purchases. Infonest asks for nothing beyond the download.

## The numbers

| Metric | Infonest | NDT Cert Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 23 MB | 35 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ARDA YIKAMACI](https://appshunter.io/developer/1783339746) | [Simon Shih](https://appshunter.io/developer/1870707682) |

## What reviewers say

### Infonest

[App page](https://appshunter.io/ios/app/infonest-short-brief-content/id6741609081)

**Features:** macOS Compatibility

**In-app purchases:** none


### NDT Cert Study

[App page](https://appshunter.io/ios/app/ndt-cert-study/id6785204471)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CGSB / MT Level II | $9.99 | one-time |
| CGSB / MT Level I | $9.99 | one-time |
| CGSB / RT Level I | $9.99 | one-time |
| CGSB / PT Level II | $9.99 | one-time |
| CGSB / PT Level I | $9.99 | one-time |
| CGSB / RT Level II | $9.99 | one-time |
| CGSB / UT Level II | $9.99 | one-time |
| CGSB / UT Level I | $9.99 | one-time |
| CGSB / PAUT Level I | $9.99 | one-time |
| CGSB / PAUT Level II | $9.99 | one-time |


## Frequently asked questions

### Is Infonest free?

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

### Is NDT Cert Study free?

NDT Cert Study is free to download, with in-app purchases available.

### Do Infonest or NDT Cert Study have ads?

Neither Infonest nor NDT Cert Study 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.*