# Technology Readiness Levels vs 01 Light

The clearest difference is update cadence: 01 Light at every 8 days against Technology Readiness Levels's every 8 months. 01 Light also leads on device support (3 vs 1) and iOS requirement (13.4 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Technology Readiness Levels against 5.0 for 01 Light. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Technology Readiness Levels ships an update every 8 months, 01 Light every 8 days. The most recent releases landed on September 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Technology Readiness Levels | 01 Light |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/technology-readiness-levels/id644843941/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/01-light/id6601937732/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 8 days** |
| Monetization | Free | Free |
| Size | 1 MB | 41 MB |
| Requires iOS | 26.0 | **13.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Russell Shannon](https://appshunter.io/developer/505317310) | [Open Interpreter Inc.](https://appshunter.io/developer/1760822259) |

## 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


### 01 Light

[App page](https://appshunter.io/ios/app/01-light/id6601937732)

Control your computer and smart home devices remotely using voice commands. Access files, launch applications, and manage connected devices from anywhere. This early access release is designed for developers and enthusiasts.

**Highlights:** Remote file management, App integration, Smart home control, Custom automations, Voice command interface

**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 01 Light free?

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

### Which has better reviews, Technology Readiness Levels or 01 Light?

Technology Readiness Levels and 01 Light are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Technology Readiness Levels or 01 Light have ads?

Neither Technology Readiness Levels nor 01 Light shows ads.

### Which is updated more often, Technology Readiness Levels or 01 Light?

Technology Readiness Levels ships an update every 8 months, and 01 Light every 8 days. Most recently, Technology Readiness Levels was updated on September 17, 2026 and 01 Light on September 30, 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.*