# Light Meter vs Annotare

The clearest difference is in-app purchases: Annotare at none against Light Meter's 4. Annotare also leads on update cadence (fortnightly vs every 10 months). Light Meter's advantage is iOS requirement (15.5 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. Light Meter sells 4 in-app purchases, starting at $3.99 per month. Annotare asks for nothing beyond the download.

Light Meter ships an update every 10 months, Annotare fortnightly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Light Meter | Annotare |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (116 ratings)](https://appshunter.io/ios/app/light-meter-lux-525-pro/id1636117065/reviews)** | — |
| Number of ratings | **116** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 13 MB |
| Requires iOS | **15.5** | 18.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrey Ivankin](https://appshunter.io/developer/1615973131) | [Barthelemy Charrier](https://appshunter.io/developer/1824739707) |

## What reviewers say

### Light Meter

[App page](https://appshunter.io/ios/app/light-meter-lux-525-pro/id1636117065)

This app functions as a precise and user-friendly light meter using your phone's built-in sensors. It measures illuminance, color temperature, PPFD/PAR, DLI, and luminous flux in real-time. It also includes a calculator for various illumination parameters and allows sharing or saving of measurements.

**Highlights:** Real-time illuminance measurement, Color temperature measurement, PPFD/PAR and DLI calculation, Built-in illumination calculator, Share and save measurements, No additional equipment needed

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $3.99 | per month |
| Premium Monthly Subscription | $4.99 | per month |
| Premium Lifetime Subscription | $19.99 | one-time |
| Premium Lifetime Subscription | $29.99 | one-time |


### Annotare

[App page](https://appshunter.io/ios/app/annotare/id6748240456)

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

**In-app purchases:** none


## Frequently asked questions

### Is Light Meter free?

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

### Is Annotare free?

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

### Do Light Meter or Annotare have ads?

Neither Light Meter nor Annotare shows ads.

### Which is updated more often, Light Meter or Annotare?

Light Meter ships an update every 10 months, and Annotare fortnightly. Most recently, Light Meter was updated on October 24, 2026 and Annotare 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.*