# Shutter Sky vs Nightlog

The clearest difference is in-app purchases: Nightlog at none against Shutter Sky's 2. Nightlog also leads on iOS requirement (16.4 vs 18.2). Shutter Sky's advantage is update cadence (every 4 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Shutter Sky sells 2 in-app purchases, starting at $0.99 per month. Nightlog asks for nothing beyond the download.

Shutter Sky ships an update every 4 days, Nightlog every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Shutter Sky | Nightlog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Size | 1 MB | 58 MB |
| Requires iOS | 18.2 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Chase Higgins](https://appshunter.io/developer/1788526218) | [Groth Galleries, LLC](https://appshunter.io/developer/6780690285) |

## What reviewers say

### Shutter Sky

[App page](https://appshunter.io/ios/app/shutter-sky/id6742646107)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shutter Sky Monthly | $0.99 | per month |
| Shutter Sky Yearly | $9.99 | per year |


### Nightlog

[App page](https://appshunter.io/ios/app/nightlog-milky-way-planner/id6780690283)

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Shutter Sky free?

Shutter Sky is free to download, with in-app purchases available.

### Is Nightlog free?

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

### Do Shutter Sky or Nightlog have ads?

Neither Shutter Sky nor Nightlog shows ads.

### Which is updated more often, Shutter Sky or Nightlog?

Shutter Sky ships an update every 4 days, and Nightlog every 3 weeks. Most recently, Shutter Sky was updated on October 30, 2026 and Nightlog on October 31, 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.*