# f8 Lens Toolkit vs NDI Audio

The clearest difference is rating: f8 Lens Toolkit at 4.9 against NDI Audio's 2.3. f8 Lens Toolkit also leads on review sentiment (80% vs 50%) and ratings volume (26 vs 4). NDI Audio's advantage is price ($4.99 vs $9.99) and iOS requirement (9.0 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

f8 Lens Toolkit costs $9.99 and NDI Audio $4.99 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 2.3. 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 point the same way: 80% of f8 Lens Toolkit's written reviews are positive against 50% of NDI Audio's.

## The numbers

| Metric | f8 Lens Toolkit | NDI Audio |
| --- | --- | --- |
| Price | $9.99 | **$4.99** |
| Rating | **[4.9 (26 ratings)](https://appshunter.io/ios/app/f8-lens-toolkit/id887877435/reviews)** | [2.3 (4 ratings)](https://appshunter.io/ios/app/ndi-audio/id1463274908/reviews) |
| Number of ratings | **26** | 4 |
| Positive reviews | **79.5% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Paid | Paid |
| Size | 4 MB | 2 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cadrage GmbH](https://appshunter.io/developer/793232743) | [Mark Gilbert](https://appshunter.io/developer/593898292) |

## 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


### NDI Audio

[App page](https://appshunter.io/ios/app/ndi-audio/id1463274908)

Monitor low-latency NDI format IP audio streams directly on your iOS device. Discover NDI sources on your local network or add custom IP addresses for broader access. Requires a stable Wi-Fi or wired Ethernet connection for optimal performance.

**Highlights:** Monitor NDI IP audio streams, Discover local NDI sources, Add custom NDI access IPs, Low latency monitoring, Supports iOS devices

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

**In-app purchases:** none


## Frequently asked questions

### Is f8 Lens Toolkit free?

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

### Is NDI Audio free?

NDI Audio costs $4.99, with no in-app purchases.

### Which has better reviews, f8 Lens Toolkit or NDI Audio?

f8 Lens Toolkit is rated higher. f8 Lens Toolkit averages 4.9 out of 5 from 26 ratings, while NDI Audio averages 2.3 from 4 ratings.

### Do f8 Lens Toolkit or NDI Audio have ads?

Neither f8 Lens Toolkit nor NDI Audio shows ads.

---

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