# FilmMeter vs Optaxis

FilmMeter and Optaxis are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. FilmMeter sells 4 one-off in-app purchases and Optaxis sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

FilmMeter ships an update every 2 days, Optaxis every 4 days. The most recent releases landed on September 27, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | FilmMeter | Optaxis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (41 ratings)](https://appshunter.io/ios/app/filmmeter/id6753060069/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | Free | — |
| Size | 143 MB | 123 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [宗 侯](https://appshunter.io/developer/1841159038) | [XIAO MIN NI](https://appshunter.io/developer/1887064548) |

## What reviewers say

### FilmMeter

[App page](https://appshunter.io/ios/app/filmmeter/id6753060069)

This app transforms your iPhone into a professional light meter for film photography. It offers real-time metering, LiDAR ranging for accurate focus, and comprehensive film roll management. Features include reciprocity calculation, ND filter compensation, and an exposure log to streamline your shooting workflow.

**Highlights:** Real-time light metering, LiDAR ranging and depth of field, Film roll and camera management, Reciprocity and ND filter compensation, Long exposure timer, Exposure logging

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |
| Buy me lunch | $2.99 | one-time |
| 请我吃块蛋糕 | $9.99 | one-time |
| 赞助开发 | $19.99 | one-time |


### Optaxis

[App page](https://appshunter.io/ios/app/optaxis/id6760964267)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is FilmMeter free?

FilmMeter is free to download, with in-app purchases available.

### Is Optaxis free?

Optaxis is free to download, with in-app purchases available.

### Do FilmMeter or Optaxis have ads?

Neither FilmMeter nor Optaxis shows ads.

### Which is updated more often, FilmMeter or Optaxis?

FilmMeter ships an update every 2 days, and Optaxis every 4 days. Most recently, FilmMeter was updated on September 27, 2026 and Optaxis 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.*