KuCalc vs RssNotify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KuCalc
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It is a calculator with basic functions. We pursued ease of use with a minimum number of buttons. It has a history function. It can copy the results to clipboard.
RssNotify
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.
- 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
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Tired of constantly checking multiple sources for critical updates and system health? RssNofity ist the RSS Reader you've been waiting for! Effortlessly monitor multiple RSS feeds containing critical health-information of your technical infrastructure in one centralized hub. Key Features - Receive instant notifications of critical system alerts - Stay on top of crucial information without the need for constant manual checks. - Set up and configure your monitoring preferences effortlessly with our intuitive interface. - Up to five devices per Account. Let the whole team know whats up. - The feeds are monitored in our cloud, no need to worry. With the free version you can monitor one feed. Additional feeds can be added by subscribing to one of our in-app-purchases. All other features are usable in the free version. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: KuCalc at none against RssNotify's 3. KuCalc also leads on iOS requirement (11.0 vs 17.0). RssNotify's advantage is update cadence (weekly vs every 3 months). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. RssNotify sells 3 in-app purchases, starting at $0.99 per month. KuCalc asks for nothing beyond the download.
KuCalc ships an update every 3 months, RssNotify weekly. The most recent releases landed on September 20, 2026 and June 4, 2026 respectively.
| Parameter | KuCalc | RssNotify |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 17+ | 4+ |
| Developer | Mineaki Sakatoku | Signalgrid e.U. |
In-app purchases
KuCalc
No in-app purchases
RssNotify
- 5 Feeds$0.991 Month
- 10 Feeds$1.991 Month
- 15 Feeds$2.991 Month
