Camera Light Meter vs UnitPro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Camera Light Meter
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Glowdex is a precise, intuitive light meter designed for photographers. Measure reflected or incident light, calculate exposure combinations, and quickly find suitable aperture and shutter speed settings for your selected ISO and stop increment. With AI Analysis, Glowdex turns measurement data into clear, practical guidance: In Reflected Light mode, AI considers both the measured values and the captured scene. In Incident Light mode, AI analyzes readings collected through the diffuser—no scene image is sent. Each report provides a concise summary and subjective optimization suggestions that account for real-world lighting, subject tone, dynamic range, and creative intent. Measurements provide a reliable baseline. Glowdex helps you interpret that baseline and adapt it to the photograph you want to create.
UnitPro
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The only unit converter you'll ever need. UnitPro handles 10 categories of conversions — all offline, no ads, no accounts. SUPPORTED CATEGORIES: • Length (m, ft, mi, km, in...) • Mass (kg, lb, oz, g, ton...) • Temperature (°C, °F, K) • Area (m², ft², acre, hectare...) • Volume (L, gal, mL, cup...) • Speed (km/h, mph, m/s, knot...) • Time (s, min, hr, day, week...) • Data (B, KB, MB, GB, TB...) • Energy (J, cal, kWh, BTU...) • Currency (30+ currencies with offline snapshots) FEATURES: • Smart input with unit suggestions • One-tap reverse and copy/share • 200-entry searchable history • Favorites with Quick Pick on home • Bilingual: English and Chinese • Works 100% offline — perfect for travel Whether you're an engineer doing precise calculations, a traveler converting currencies on a plane, or a student working on homework — UnitPro has you covered.
Screenshots
Verdict
The clearest difference is iOS requirement: UnitPro at 15.0 against Camera Light Meter's 17.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Camera Light Meter ships an update monthly, UnitPro every 3 weeks. The most recent releases landed on October 2, 2026 and October 25, 2026 respectively.
| Parameter | Camera Light Meter | UnitPro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | 翌嘉 赵 | 晓 郭 |
In-app purchases
Camera Light Meter
No in-app purchases
UnitPro
No in-app purchases
Questions
Is Camera Light Meter free?
Is UnitPro free?
Do Camera Light Meter or UnitPro have ads?
Which is updated more often, Camera Light Meter or UnitPro?
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