# Technology Readiness Levels vs Limit

The clearest difference is rating: Technology Readiness Levels at 5.0 against Limit's 4.6. Limit's advantage is update cadence (every 6 weeks vs every 8 months) and ratings volume (245 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Technology Readiness Levels holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Limit has 245 ratings behind it against 2, so its average is the more settled of the two.

Technology Readiness Levels ships an update every 8 months, Limit every 6 weeks. The most recent releases landed on June 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Technology Readiness Levels | Limit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/technology-readiness-levels/id644843941/reviews)** | [4.6 (245 ratings)](https://appshunter.io/ios/app/limit-control-the-scroll/id6738286409/reviews) |
| Number of ratings | 2 | **245** |
| Positive reviews | — | 78.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 1 MB | 26 MB |
| Requires iOS | 26.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Russell Shannon](https://appshunter.io/developer/505317310) | [Eighty Percent Solutions](https://appshunter.io/developer/960372430) |

## 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


### Limit

[App page](https://appshunter.io/ios/app/limit-control-the-scroll/id6738286409)

This app helps you regain control of your phone usage by setting daily time limits for distracting applications. It blocks apps by default, making each use a conscious decision and helping you improve focus and presence.

**Highlights:** Blocks distracting apps by default, Set daily time limits, Mindful app usage tracking, Behavioral science principles, Runs quietly in the background, Promotes focus and presence

**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 Limit free?

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

### Which has better reviews, Technology Readiness Levels or Limit?

Technology Readiness Levels is rated higher. Technology Readiness Levels averages 5.0 out of 5 from 2 ratings, while Limit averages 4.6 from 245 ratings.

### Do Technology Readiness Levels or Limit have ads?

Neither Technology Readiness Levels nor Limit shows ads.

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

Technology Readiness Levels ships an update every 8 months, and Limit every 6 weeks. Most recently, Technology Readiness Levels was updated on June 1, 2026 and Limit on September 30, 2026.

---

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