# SunnyScope vs RainMark

The clearest difference is update cadence: RainMark at every 10 days against SunnyScope's monthly. RainMark also leads on iOS requirement (12 vs 15.6). 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.

SunnyScope ships an update monthly, RainMark every 10 days. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | SunnyScope | RainMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rainmark/id6751396538/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | — | Free |
| Size | 45 MB | 69 MB |
| Requires iOS | 15.6 | **12** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Sunny Group Co., Ltd.](https://appshunter.io/developer/939474211) | [峻宏 刘](https://appshunter.io/developer/1834818077) |

## What reviewers say

### SunnyScope

[App page](https://appshunter.io/ios/app/sunnyscope/id1573894818)

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

**In-app purchases:** none


### RainMark

[App page](https://appshunter.io/ios/app/rainmark/id6751396538)

Enhance your photos with professional watermark borders that automatically display shooting parameters. Choose from a variety of design templates and customize your signature and layout for a unique look. Export your creations in original quality with fast batch processing.

**Highlights:** Smart EXIF parameter reading, Professional design templates, Deep watermark customization, Signature support (text/image), Ultra-fast batch processing, Original quality export, Real-time preview

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SunnyScope free?

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

### Is RainMark free?

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

### Do SunnyScope or RainMark have ads?

Neither SunnyScope nor RainMark shows ads.

### Which is updated more often, SunnyScope or RainMark?

SunnyScope ships an update monthly, and RainMark every 10 days. Most recently, SunnyScope was updated on October 11, 2026 and RainMark on October 8, 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.*