Sprokbook vs Illumi the Lightmeter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sprokbook
Log the time, location, and film stock for every photo you take with your analog camera. Track rolls, switch cameras easily, and export your shooting history. Your data is private and synced via iCloud.
- Log time and GPS coordinates
- Track film stock in each camera
- Reference photos for negatives
- Log exposures via Action button/Apple Watch
- View shooting history by camera and roll
- Export data to CSV or JSON
- iCloud backup and sync
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You get your scans back and the first question is: when did I take this? Which roll was this — Ektar or CineStill? Sprokbook gives your analog camera digital powers — the when, where, and what of every frame you shoot. SHOOT, TAP, ADVANCE One tap captures the time and GPS coordinates. Include a reference photo so you can match frames to negatives when your scans come back. KNOW WHAT'S LOADED IN EVERY CAMERA Forgot whether you loaded Portra 400 or 800? Sprokbook tracks your cameras, the roll in each one, and how far through it you are — all at a glance. Switch between bodies mid-shoot or load a new roll without losing track. SHOOT WITHOUT BREAKING YOUR FLOW Instantly log exposures from the Action button and your Apple Watch with a Shortcut. Log without opening your app or even picking up your phone. REMEMBER EVERY ROLL, STOCK, AND FRAME Scroll back through months of shooting and see the full history — which stocks you've been running, where you've been shooting, how your habits have changed. Your shooting life, organized by camera and roll. EXPORT YOUR DATA Save to CSV or JSON for analysis, archiving, or scripting. Everything — location, timestamp, film stock, frame number — comes with you. BACKED UP WITH ICLOUD Your full shooting history stays backed up and synced via iCloud. Start on one device, continue on another. YOUR DATA IS YOURS Sprokbook does not collect any data. Your location and photo data stays on your private iCloud account. No accounts, no tracking, no telemetry, no ads. Period.
Illumi the Lightmeter
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Analog Light Meter uses the camera to measure scene brightness for exposure metering.
Screenshots
Verdict
The clearest difference is update cadence: Sprokbook at daily against Illumi the Lightmeter's weekly. Illumi the Lightmeter's advantage is iOS requirement (16.0 vs 18.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Sprokbook ships an update daily, Illumi the Lightmeter weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | Sprokbook | Illumi the Lightmeter |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Daily — better | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Michel Guo | Mattia Stigliano |
In-app purchases
Sprokbook
No in-app purchases
Illumi the Lightmeter
No in-app purchases
Questions
Is Sprokbook free?
Is Illumi the Lightmeter free?
Do Sprokbook or Illumi the Lightmeter have ads?
Which is updated more often, Sprokbook or Illumi the Lightmeter?
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