# Thin Lens Equation Calc vs uBlock Origin Lite

The clearest difference is price: uBlock Origin Lite at Free against Thin Lens Equation Calc's $2.99. uBlock Origin Lite also leads on update cadence (weekly vs every 27 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

uBlock Origin Lite is free to download; Thin Lens Equation Calc costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Thin Lens Equation Calc ships an update every 27 months, uBlock Origin Lite weekly. The most recent releases landed on October 25, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Thin Lens Equation Calc | uBlock Origin Lite |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[4.7 (973 ratings)](https://appshunter.io/ios/app/ublock-origin-lite/id6745342698/reviews)** |
| Number of ratings | — | **973** |
| Positive reviews | — | 78.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Weekly** |
| Monetization | — | Free |
| Size | 1 MB | 47 MB |
| Requires iOS | **17.6** | 18.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Raymond Hill](https://appshunter.io/developer/1811849638) |

## What reviewers say

### Thin Lens Equation Calc

[App page](https://appshunter.io/ios/app/thin-lens-equation-calc/id1414198278)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### uBlock Origin Lite

[App page](https://appshunter.io/ios/app/ublock-origin-lite/id6745342698)

This efficient content blocker utilizes declarative rulesets for reliable filtering without consuming significant system resources. It offers customizable filter lists and integrates seamlessly with browsers.

**Highlights:** Efficient content blocking, Declarative filtering, Customizable rulesets, Low resource consumption, Browser integration

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Lightweight and efficient
- 🔒 Open-source and transparent
- 👍 Effective ad blocking
- 👍 Seamless integration with Safari

**What reviewers complain about**

- 🐛 Compatibility issues with latest iOS version
- 🔧 Difficulty accessing settings in private mode

**Reported bugs**

- Unable to turn on extension on laptop Safari after installation
- Fails to load when enabling in Safari

**Requested features**

- Import third-party filter lists
- Improved dashboard and settings access


## Frequently asked questions

### Is Thin Lens Equation Calc free?

Thin Lens Equation Calc costs $2.99, with no in-app purchases.

### Is uBlock Origin Lite free?

uBlock Origin Lite is free to download, with no in-app purchases.

### Do Thin Lens Equation Calc or uBlock Origin Lite have ads?

Neither Thin Lens Equation Calc nor uBlock Origin Lite shows ads.

### Which is updated more often, Thin Lens Equation Calc or uBlock Origin Lite?

Thin Lens Equation Calc ships an update every 27 months, and uBlock Origin Lite weekly. Most recently, Thin Lens Equation Calc was updated on October 25, 2026 and uBlock Origin Lite on October 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.*