# Candela: Light Meter & Log — Spot exposure for film photos

> Spot exposure for film photos (iPhone/iPad app by Petr Nezval.)

- Source: https://appshunter.io/ios/app/candela-light-meter-and-log/id6793882933 (this page in markdown: same URL + `.md`)
- Developer: [Petr Nezval](https://appshunter.io/developer/1870515085)
- Category: Photo & Video, Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.2 · 3 MB
- Languages: English
- Released: 2026-08-05
- Data updated: 2026-09-10
- User reviews in markdown: https://appshunter.io/ios/app/candela-light-meter-and-log/id6793882933/reviews.md

## What is Candela?

Candela is a light meter for people who shoot film. Point your phone at the scene and read a live exposure - average the whole frame or tap to spot meter - then lock the reading and walk aperture, shutter and ISO around the triangle in full, half or third stops. The needle moves the moment the light does, and when the light is out of range, Candela says so instead of guessing.

It is honest about what a phone can do. The camera gives an estimate, not a lab instrument, so there is a calibration dial: shoot one frame against a meter or a camera you trust, nudge Candela up to two stops in third-stop steps, and it remembers. A sunny day is your free reference - if the reading disagrees with sunny 16, you know which one to fix. No camera permission yet? A demo scene lets you learn the dials first.

The meter is free forever. One purchase adds the film shot log and reciprocity correction - no subscription, yours for good.

The shot log keeps your rolls the way you actually shoot them. Load a roll, pick the stock and box speed, note the camera, and log each frame with the exposure you used and a line about the scene. When the developed film comes back, every dense or thin negative has its story next to it - frame by frame, roll by roll. Close a finished roll, keep notes while it waits at the lab, export everything as a file you own.

Reciprocity is built in, not rented. Meter a long exposure at dusk and Candela corrects it for your film stock - factors for HP5 Plus, Delta 100 and 400, FP4 Plus, Pan F Plus, SFX, XP2 Super, Ortho Plus, Kentmere and Delta 3200 are included, and any other stock takes a custom factor from its datasheet. The corrected time sits right on the dial, and the log records both what you metered and what you shot.

Candela suits a Trip 35 with a dead selenium cell, a Hasselblad that never had a meter, pinhole afternoons and slow film at dusk. One honest meter, one log, one price.

Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://cooperative-catmint-496.notion.site/Candela-Privacy-Policy-3a6d692d254d8046b0ecd4b76c3e1b21

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock | $6.99 | one-time |



## Version history (last 2 releases)

### 1.1 — 2026-09-06

Candela now asks for a rating the way Apple's API intends: only after the app has actually helped you nail an exposure, never while you're metering, and never more than once.

The unlock screen is clearer too: one price, one purchase, nothing to cancel. Your readings stay on this phone. No account, no analytics, no ads.

### 1.0 — 2026-08-05

No release notes.

## More apps by Petr Nezval

- [Side Brain: Read Later & AI](https://appshunter.io/ios/app/side-brain-read-later-and-ai/id6758042214)
- [Simply Habit Tracker](https://appshunter.io/ios/app/simply-habit-tracker/id6758112810)
- [Symp Trac: Chronic Illness Log](https://appshunter.io/ios/app/symp-trac-chronic-illness-log/id6760290012)
- [Vibe: Dynamic Lyrics & CarPlay](https://appshunter.io/ios/app/vibe-dynamic-lyrics-and-carplay/id6761635989)
- [Fiber Tracker: Eat 30 Plants](https://appshunter.io/ios/app/fiber-tracker-eat-30-plants/id6767279996)
- [Ovaflow PCOS & Cycle Tracker](https://appshunter.io/ios/app/ovaflow-pcos-and-cycle-tracker/id6786417656)

All apps by Petr Nezval: https://appshunter.io/developer/1870515085

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-10.*