# RssNotify vs SunArc

The clearest difference is update cadence: RssNotify at weekly against SunArc's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. RssNotify sells 3 in-app purchases, starting at $0.99 per month and SunArc sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RssNotify ships an update weekly, SunArc every 3 weeks. The most recent releases landed on October 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | RssNotify | SunArc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/rssnotify/id6474471353/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 50 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Signalgrid e.U.](https://appshunter.io/developer/1721703581) | [Pascal von Burg](https://appshunter.io/developer/6797637525) |

## What reviewers say

### RssNotify

[App page](https://appshunter.io/ios/app/rssnotify/id6474471353)

This app provides instant notifications for critical updates from multiple RSS feeds. It centralizes important technical infrastructure health information, eliminating the need for constant manual checks. Configure preferences easily and share alerts across up to five devices.

**Highlights:** Instant critical update notifications, Monitor multiple RSS feeds, Centralized technical infrastructure health, Intuitive configuration interface, Up to five devices per account, Cloud-based feed monitoring

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Feeds | $0.99 | per month |
| 10 Feeds | $1.99 | per month |
| 15 Feeds | $2.99 | per month |


### SunArc

[App page](https://appshunter.io/ios/app/sunarc-sun-path-and-shade-check/id6797637523)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShadeCheck Unlock | $0.99 | one-time |


## Frequently asked questions

### Is RssNotify free?

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

### Is SunArc free?

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

### Do RssNotify or SunArc have ads?

Neither RssNotify nor SunArc shows ads.

### Which is updated more often, RssNotify or SunArc?

RssNotify ships an update weekly, and SunArc every 3 weeks. Most recently, RssNotify was updated on October 6, 2026 and SunArc on October 31, 2026.

---

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