---
title: "Technology Readiness Levels - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "This is a quick-reference app for the Department of Defense and NASA Technology Readiness Levels (TRLs).   It features definitions for both DoD and NASA!  For each TRL, the app includes:  *Definition "
---

# Technology Readiness Levels — United States
> TRL definitions reference

![Technology Readiness Levels App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/f2/15/48/f21548cb-ac1b-f4bf-bac1-fa22b4c0ae99/AppIcon-0-0-1x_U007emarketing-0-6-0-85-220.png/434x0w.png)

**Developer:** [Russell Shannon](https://apptail.io/developer/russell-shannon-eEY)
**Category:** Productivity
**Rating:** 5.0/5 (2 ratings)
**Price:** Free
**Bundle ID:** net.drruss.trl
**Store:** Apple App Store
**Country:** United States
**Version:** 4.0 (released 2026-01-06)
**Original Release:** 2013-07-08
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id644843941)
**AppTail Page:** [https://apptail.io/app/technology-readiness-levels-jCzh/united-states](https://apptail.io/app/technology-readiness-levels-jCzh/united-states)

## Technology Readiness Levels Description
This is a quick-reference app for the Department of Defense and NASA Technology Readiness Levels (TRLs). 

It features definitions for both DoD and NASA!

For each TRL, the app includes:

*Definition
*Description
*Supporting information (DoD only)
*SETR Process alignment (DoD only)

Everyone needs a reminder now and then. What's the difference between TRL 5 and TRL 6? Is your invention at TRL 4 or at TRL 5? What's the difference between TRL 1 and TRL 2?

All ThinChip Software apps are now available free of charge!

## Technology Readiness Levels Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple112/v4/b5/c4/b3/b5c4b359-9ebf-e74b-8bb5-bde844d30411/mzl.krdgnqii.png/640x960.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple122/v4/a5/63/72/a5637217-45b3-9a97-e140-298db0e9bc6f/mzl.pwfpkdvl.png/640x960.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple122/v4/da/77/eb/da77eb9c-8830-e259-88a4-383c1ab7d22b/mzl.kzocatxb.png/640x960.png)

## Technology Readiness Levels Rating Breakdown in United States
- 5 stars: 2 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)





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## Technology Readiness Levels Available In
- [United States](https://apptail.io/app/technology-readiness-levels-jCzh/united-states)
- [Angola](https://apptail.io/app/technology-readiness-levels-jCzh/angola)
- [Argentina](https://apptail.io/app/technology-readiness-levels-jCzh/argentina)
- [Australia](https://apptail.io/app/technology-readiness-levels-jCzh/australia)
- [Algeria](https://apptail.io/app/technology-readiness-levels-jCzh/algeria)
- [United Kingdom](https://apptail.io/app/technology-readiness-levels-jCzh/united-kingdom)
- [Ghana](https://apptail.io/app/technology-readiness-levels-jCzh/ghana)
- [Croatia](https://apptail.io/app/technology-readiness-levels-jCzh/croatia)
- [Iceland](https://apptail.io/app/technology-readiness-levels-jCzh/iceland)
- [United Arab Emirates](https://apptail.io/app/technology-readiness-levels-jCzh/united-arab-emirates)
- [Cayman Islands](https://apptail.io/app/technology-readiness-levels-jCzh/cayman-islands)
- [Lithuania](https://apptail.io/app/technology-readiness-levels-jCzh/lithuania)
- [Namibia](https://apptail.io/app/technology-readiness-levels-jCzh/namibia)
- [Romania](https://apptail.io/app/technology-readiness-levels-jCzh/romania)
- [Saudi Arabia](https://apptail.io/app/technology-readiness-levels-jCzh/saudi-arabia)
- [Singapore](https://apptail.io/app/technology-readiness-levels-jCzh/singapore)
- [Senegal](https://apptail.io/app/technology-readiness-levels-jCzh/senegal)
- [Jamaica](https://apptail.io/app/technology-readiness-levels-jCzh/jamaica)
- [Kenya](https://apptail.io/app/technology-readiness-levels-jCzh/kenya)

---

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