# Light Lux Meter vs Sifty

The clearest difference is price: Sifty at Free against Light Lux Meter's $2.99. Sifty also leads on update cadence (every 5 weeks vs every 3 months). Light Lux Meter's advantage is in-app purchases (none vs 4) and iOS requirement (10.0 vs 15.0). On ads and device support there is nothing between them.

Sifty is free to download; Light Lux Meter costs $2.99 up front. Sifty sells 4 one-off in-app purchases. Light Lux Meter asks for nothing beyond the download.

Light Lux Meter ships an update every 3 months, Sifty every 5 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Light Lux Meter | Sifty |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (55 ratings)](https://appshunter.io/ios/app/light-lux-meter/id934384343/reviews)** | — |
| Number of ratings | **55** | — |
| Positive reviews | 11.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 30 MB | 66 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aexol Studio](https://appshunter.io/developer/1711767918) | [Mohammed Junaid](https://appshunter.io/developer/1878289578) |

## What reviewers say

### Light Lux Meter

[App page](https://appshunter.io/ios/app/light-lux-meter/id934384343)

This app helps photographers and videographers measure light levels for optimal exposure. It offers lux and foot-candle scales, and can calculate light ratios, serving as a convenient alternative to professional equipment for amateur use.

**Highlights:** Measures light in lux and foot-candles, Calculates light ratio for photos, Dual camera support, Accurate algorithm, New design

**Features:** macOS Compatibility

**In-app purchases:** none


### Sifty

[App page](https://appshunter.io/ios/app/sifty-declutter-your-gallery/id6759360203)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| 5000 Images | $0.99 | one-time |
| 10000 images | $2.99 | one-time |
| Sifty Pro Pack | $5.99 | one-time |


## Frequently asked questions

### Is Light Lux Meter free?

Light Lux Meter costs $2.99, with no in-app purchases.

### Is Sifty free?

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

### Do Light Lux Meter or Sifty have ads?

Neither Light Lux Meter nor Sifty shows ads.

### Which is updated more often, Light Lux Meter or Sifty?

Light Lux Meter ships an update every 3 months, and Sifty every 5 weeks. Most recently, Light Lux Meter was updated on October 24, 2026 and Sifty on October 7, 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.*