i vs Light Meter.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i
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i-doThermometer an infrared temperature measurement app connected with mobile phone, which can quickly record temperature information and real-time temperature feedback, so that users can understand the temperature situation more easily.
Light Meter.
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Measure Light Intensity with Precision! Accurately gauge the brightness in any environment using our Light Meter app. Perfect for photographers, videographers, and anyone needing to measure light levels. Record and track readings to ensure the ideal lighting for your projects. Terms Of Use https://github.com/projectuser-gl/terms/blob/main/light-meter.html Privacy Policy https://www.privacypolicies.com/live/bcfb1b5b-5181-4248-8f20-8330913b3e98
Screenshots
Verdict
The clearest difference is in-app purchases: i at none against Light Meter.'s 1. i also leads on update cadence (fortnightly vs every 6 weeks) and device support (3 vs 1). On price and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Light Meter. sells 1 one-off in-app purchase. i asks for nothing beyond the download.
i ships an update fortnightly, Light Meter. every 6 weeks. The most recent releases landed on October 27, 2026 and October 17, 2026 respectively.
| Parameter | i | Light Meter. |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 5 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Robo Electronics co., Ltd. | Muhammed Efdal incesu |
In-app purchases
i
No in-app purchases
Light Meter.
- Light Meter Lifetime Premium$2.99
