# Sunlight Checker vs Sunplot

The clearest difference is update cadence: Sunplot at every 10 days against Sunlight Checker's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sunlight Checker sells 2 in-app purchases, starting at $1.99 per month and Sunplot sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Sunlight Checker ships an update every 4 months, Sunplot every 10 days. The most recent releases landed on November 3, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Sunlight Checker | Sunplot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 10 days** |
| Size | 10 MB | 4 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [株式会社リモシア](https://appshunter.io/developer/1639657831) | [Olexandr Zhovnir](https://appshunter.io/developer/6801442223) |

## What reviewers say

### Sunlight Checker

[App page](https://appshunter.io/ios/app/sunlight-checker-sun-and-shadow/id6759216345)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 年額プラン（お得） | $14.99 | per year |


### Sunplot

[App page](https://appshunter.io/ios/app/sunplot-sun-hours/id6808525914)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sunplot Full | $5.99 | one-time |


## Frequently asked questions

### Is Sunlight Checker free?

Sunlight Checker is free to download, with in-app purchases available.

### Is Sunplot free?

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

### Do Sunlight Checker or Sunplot have ads?

Neither Sunlight Checker nor Sunplot shows ads.

### Which is updated more often, Sunlight Checker or Sunplot?

Sunlight Checker ships an update every 4 months, and Sunplot every 10 days. Most recently, Sunlight Checker was updated on November 3, 2026 and Sunplot on October 26, 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.*