Comparison

CIDR Calc vs Backend Pulse

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CIDR Calc

Calculate subnet details, including IP addresses, masks, and reverse masks, using CIDR notation. Generate and share lists of subnets and hosts within the next higher octet. This tool simplifies network calculations for IT professionals and students.

Highlights
  • Subnet calculation
  • IP address display
  • Mask and reverse mask
  • Shareable subnet lists
  • Host calculation
Features
Read full description

Displays subnet, IP addresses, mask, and reverse mask based on IP and CIDR notation. Generates shareable list of all subnets and hosts in next higher octet.

About

Backend Pulse

Features
Read full description

Heartbeat Hero is a server and API availability monitoring tool built for developers and DevOps teams. It sends periodic heartbeats to keep you informed of service health in real time, triggers automatic alerts when anomalies occur, and delivers notifications across multiple platforms. Key features: - Monitor any server or API; freely set check intervals and thresholds - Instant anomaly alerts for rapid incident response - Historical metrics and trend analysis for complete visibility into service health - Clean, intuitive UI that gets you started in minutes - Data security guaranteed with a transparent privacy policy Whether you’re an indie developer or an enterprise ops team, Heartbeat Hero keeps your services protected. Download now and experience intelligent monitoring made simple.

Screenshots

CIDR Calc2 screens
Backend Pulse4 screens

Verdict

The call

The clearest difference is in-app purchases: CIDR Calc at none against Backend Pulse's 1. Backend Pulse's advantage is update cadence (fortnightly vs every 19 months) and iOS requirement (13.0 vs 16.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Backend Pulse sells 1 one-off in-app purchase. CIDR Calc asks for nothing beyond the download.

UpkeepUpdate frequency

CIDR Calc ships an update every 19 months, Backend Pulse fortnightly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 6 level
CIDR Calc versus Backend Pulse: the parameters behind the verdict, then further details
ParameterCIDR CalcBackend Pulse
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 19 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, Vision ProiPhone, iPad, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size1 MB26 MB
Age rating4+12+
DeveloperPaul SmickerHangzhou Lushi Yuye Intelligent Technology Co., Ltd.

In-app purchases

None

CIDR Calc

No in-app purchases

1 purchases

Backend Pulse

One-time1
  • One-Month VIP$0.99

Questions

Is CIDR Calc free?
CIDR Calc is free to download, with no in-app purchases.
Is Backend Pulse free?
Backend Pulse is free to download, with in-app purchases available.
Do CIDR Calc or Backend Pulse have ads?
Neither CIDR Calc nor Backend Pulse shows ads.
Which is updated more often, CIDR Calc or Backend Pulse?
CIDR Calc ships an update every 19 months, and Backend Pulse fortnightly. Most recently, CIDR Calc was updated on October 10, 2026 and Backend Pulse on October 25, 2026.

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