# Technology Readiness Levels vs iTWO eLearning

The clearest difference is device support: iTWO eLearning at 3 against Technology Readiness Levels's 1. iTWO eLearning also leads on iOS requirement (6.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Technology Readiness Levels | iTWO eLearning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/technology-readiness-levels/id644843941/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Free | — |
| Size | 1 MB | 33 MB |
| Requires iOS | 26.0 | **6.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Russell Shannon](https://appshunter.io/developer/505317310) | [RIB Software GmbH](https://appshunter.io/developer/600768005) |

## What reviewers say

### Technology Readiness Levels

[App page](https://appshunter.io/ios/app/technology-readiness-levels/id644843941)

Quickly access definitions and descriptions for Department of Defense and NASA Technology Readiness Levels (TRLs). Understand the distinctions between different TRL stages and their supporting information.

**Highlights:** DoD and NASA TRL definitions, Detailed descriptions for each TRL, Supporting information (DoD), SETR Process alignment (DoD), Quick reference guide

**In-app purchases:** none


### iTWO eLearning

[App page](https://appshunter.io/ios/app/itwo-elearning/id1008516234)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Technology Readiness Levels free?

Technology Readiness Levels is free to download, with no in-app purchases.

### Is iTWO eLearning free?

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

### Do Technology Readiness Levels or iTWO eLearning have ads?

Neither Technology Readiness Levels nor iTWO eLearning shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*