# f8 Lens Toolkit vs ClearView Flex

The clearest difference is price: ClearView Flex at Free against f8 Lens Toolkit's $9.99. ClearView Flex also leads on review sentiment (100% vs 80%). f8 Lens Toolkit's advantage is rating (4.9 vs 4.5) and update cadence (every 2 months vs every 6 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

ClearView Flex is free to download; f8 Lens Toolkit costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

f8 Lens Toolkit holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: f8 Lens Toolkit has 26 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 80% of f8 Lens Toolkit's written reviews are positive against 100% of ClearView Flex's, so the app with the better star average is not the one people write more warmly about.

f8 Lens Toolkit ships an update every 2 months, ClearView Flex every 6 months. The most recent releases landed on September 22, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | f8 Lens Toolkit | ClearView Flex |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.9 (26 ratings)](https://appshunter.io/ios/app/f8-lens-toolkit/id887877435/reviews)** | [4.5 (4 ratings)](https://appshunter.io/ios/app/clearview-flex/id1221918001/reviews) |
| Number of ratings | **26** | 4 |
| Positive reviews | 79.5% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Paid | **Free** |
| Size | 4 MB | 42 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple TV** |
| Age rating | 4+ | 4+ |
| Developer | [Cadrage GmbH](https://appshunter.io/developer/793232743) | [Sohonet inc](https://appshunter.io/developer/1011221731) |

## What reviewers say

### f8 Lens Toolkit

[App page](https://appshunter.io/ios/app/f8-lens-toolkit/id887877435)

This app provides photographers and cinematographers with essential tools for optical calculations. It offers features like depth of field calculation, field of view determination, and lens matching for various camera formats. It's designed to be an indispensable reference tool for professionals and students alike.

**Highlights:** Depth of Field & Hyperfocal Distance Calculator, Field of View Calculator, Lens Matcher: Equivalent Focal Length & F-Stop, Camera Sensor Comparison Tool, Lens Coverage Tool, Extensive camera and lens database, Supports anamorphic shooting and Speedboosters

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

**In-app purchases:** none


### ClearView Flex

[App page](https://appshunter.io/ios/app/clearview-flex/id1221918001)

This app enables secure live video review sessions on your mobile device. Collaborate with your team in real-time, share instant feedback, and make faster decisions, even with a weak internet connection.

**Highlights:** Live, high-quality video streaming, Encrypted live streams, Real-time review and feedback, Low-bandwidth viewing, Video conferencing, Annotation tools

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is f8 Lens Toolkit free?

f8 Lens Toolkit costs $9.99, with no in-app purchases.

### Is ClearView Flex free?

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

### Which has better reviews, f8 Lens Toolkit or ClearView Flex?

f8 Lens Toolkit is rated higher. f8 Lens Toolkit averages 4.9 out of 5 from 26 ratings, while ClearView Flex averages 4.5 from 4 ratings.

### Do f8 Lens Toolkit or ClearView Flex have ads?

Neither f8 Lens Toolkit nor ClearView Flex shows ads.

### Which is updated more often, f8 Lens Toolkit or ClearView Flex?

f8 Lens Toolkit ships an update every 2 months, and ClearView Flex every 6 months. Most recently, f8 Lens Toolkit was updated on September 22, 2026 and ClearView Flex on September 16, 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.*