# LFTools vs SlowLightMeter

The clearest difference is update cadence: SlowLightMeter at every 4 days against LFTools's every 3 months. SlowLightMeter also leads on iOS requirement (15.6 vs 18). On price, ads, in-app purchases and device support there is nothing between them.

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

LFTools ships an update every 3 months, SlowLightMeter every 4 days. The most recent releases landed on September 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | LFTools | SlowLightMeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slowlightmeter/id6751812869/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 4 MB | 1 MB |
| Requires iOS | 18 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ruediger Merz](https://appshunter.io/developer/1653209743) | [Ari Jaaksi](https://appshunter.io/developer/1770069317) |

## What reviewers say

### LFTools

[App page](https://appshunter.io/ios/app/lftools/id6479173686)

**In-app purchases:** none


### SlowLightMeter

[App page](https://appshunter.io/ios/app/slowlightmeter/id6751812869)

This app provides a simple and accurate light meter for film photographers. It continuously measures light with minimal interaction and includes an ISO lock to prevent accidental changes. EV values are a core feature for ease of use.

**Highlights:** Reflective and incident light metering, Continuous light measurement, ISO lock, EV value display, Simple interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LFTools free?

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

### Is SlowLightMeter free?

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

### Do LFTools or SlowLightMeter have ads?

Neither LFTools nor SlowLightMeter shows ads.

### Which is updated more often, LFTools or SlowLightMeter?

LFTools ships an update every 3 months, and SlowLightMeter every 4 days. Most recently, LFTools was updated on September 11, 2026 and SlowLightMeter on October 6, 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.*