# RainGuRU vs Sunset Predictions

The clearest difference is in-app purchases: RainGuRU at none against Sunset Predictions's 4. RainGuRU also leads on ads (none vs shown) and iOS requirement (11.0 vs 17.6). Sunset Predictions's advantage is update cadence (every 3 months vs every 13 months). On price and device support there is nothing between them.

Both are free to download. Sunset Predictions sells 4 in-app purchases, starting at $1.99 per 7 days. RainGuRU asks for nothing beyond the download.

RainGuRU ships an update every 13 months, Sunset Predictions every 3 months. The most recent releases landed on October 24, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | RainGuRU | Sunset Predictions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sunset-predictions-solara/id6766157300/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 13 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 12 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [HKV lijn in water](https://appshunter.io/developer/955836075) | [DEEPLY AI](https://appshunter.io/developer/1809787876) |

## What reviewers say

### RainGuRU

[App page](https://appshunter.io/ios/app/rainguru/id6465896256)

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

**In-app purchases:** none


### Sunset Predictions

[App page](https://appshunter.io/ios/app/sunset-predictions-solara/id6766157300)

Get accurate sunrise and sunset predictions with smart daily insights. This app transforms natural light into a meaningful part of your lifestyle, offering a seamless and elegant experience for photography, daily routines, and mindful moments.

**Highlights:** Precise sunrise & sunset predictions, Smart daily insights, Minimalist, modern UI, Dynamic widgets, Apple Watch companion app, Real-time tracking

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Solara Premium Weekly | $1.99 | per 7 days |
| Solara Premium Monthly | $4.99 | per month |
| Solara Premium Yearly | $19.99 | per year |
| Solara Premium Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is RainGuRU free?

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

### Is Sunset Predictions free?

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

### Do RainGuRU or Sunset Predictions have ads?

Sunset Predictions shows ads; RainGuRU does not.

### Which is updated more often, RainGuRU or Sunset Predictions?

RainGuRU ships an update every 13 months, and Sunset Predictions every 3 months. Most recently, RainGuRU was updated on October 24, 2026 and Sunset Predictions on October 20, 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.*