Portable Light Meter vs Chronote
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Portable Light Meter
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This is an app designed for photographers and photography enthusiasts— a portable light meter application. It helps you measure exposure for time-lapse photography and film photography, and even supports ND filters in aperture priority mode. The app supports both aperture priority and shutter priority modes, exposure lock, saving and recording current metering data, and switching between front and rear cameras for metering. Additionally, it also supports measuring color temperature and EV values.
Chronote
Capture thoughts and events instantly with automatic timestamps. Organize your notes chronologically by custom topics for easy review. Perfect for journaling, activity logging, and idea tracking.
- Automatic timestamps on every note
- Chronological timeline view
- Customizable topics for organization
- Quick and clean note entry
- Ideal for journaling and activity logging
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Never forget when it happened. Chronote captures your thoughts instantly — with automatic timestamps on every note. Quick, clean, and chronological: perfect for journaling moments, logging activities, tracking ideas, or building a reliable daily log. Jot down anything in seconds: a fleeting idea, meeting takeaway, symptom, habit, or random memory. Chronote adds the exact date & time automatically — no manual entry needed. Review your notes in a beautiful timeline view, organized by time and grouped into custom topics. Whether you're reflecting on life, documenting projects, or simply never wanting to wonder "when did I write that?", Chronote keeps your thoughts dated, organized, and always accessible.
Screenshots
Verdict
The clearest difference is price: Chronote at Free against Portable Light Meter's $0.99. Portable Light Meter's advantage is iOS requirement (17.0 vs 26.2). On update cadence, ads, in-app purchases and device support 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
Chronote is free to download; Portable Light Meter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Portable Light Meter ships an update every 8 months, Chronote every 6 months. Both last shipped on October 1, 2026.
| Parameter | Portable Light Meter | Chronote |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 17.0 — better | 26.2 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 家啟 褚 | Martin Pietrowski |
In-app purchases
Portable Light Meter
No in-app purchases
Chronote
No in-app purchases









