# Sprokbook vs Illumi the Lightmeter

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.

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.

## The numbers

| Metric | Sprokbook | Illumi the Lightmeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sprokbook/id6760282935/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | Free | — |
| Size | 16 MB | 3 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Michel Guo](https://appshunter.io/developer/1540108126) | [Mattia Stigliano](https://appshunter.io/developer/1891590096) |

## What reviewers say

### Sprokbook

[App page](https://appshunter.io/ios/app/sprokbook/id6760282935)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Illumi the Lightmeter

[App page](https://appshunter.io/ios/app/illumi-the-lightmeter/id6761808084)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sprokbook free?

Sprokbook is free to download, with no in-app purchases.

### Is Illumi the Lightmeter free?

Illumi the Lightmeter is free to download, with no in-app purchases.

### Do Sprokbook or Illumi the Lightmeter have ads?

Neither Sprokbook nor Illumi the Lightmeter shows ads.

### Which is updated more often, Sprokbook or Illumi the Lightmeter?

Sprokbook ships an update daily, and Illumi the Lightmeter weekly. Most recently, Sprokbook was updated on October 28, 2026 and Illumi the Lightmeter on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*