Comparison

CIDR vs ParaGraph3D

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

Head to head
About

CIDR

This utility calculates IP address ranges from an IP address and subnet mask. It supports IPv4 calculations, including prefix display, address range counts, and bit notation. Useful for quick CIDR notation checks and subnet mask conversions.

Highlights
  • IP address range calculation
  • Subnet mask to CIDR conversion
  • IPv4 prefix display
  • Number of address ranges
  • Bit notation display
  • Quick reference table
Features
Read full description

Calculate the IP address range from the IP address and subnet mask. It can be used to calculate IPv4 addresses, including prefix display, number of address ranges, and bit notation. CIDR calculation, when you want to check CIDR notation quickly. To convert subnet mask to CIDR notation. It can also be used as a quick reference table for subnet masks. Bit notation is also available, so it is suitable for learning IPv4.

About

ParaGraph3D

Features
Read full description

ParaGraph3D is a fast and visual graphing tool for exploring mathematical functions and parametric surfaces in three dimensions. Enter your equations, generate a surface instantly, and explore it from different angles. Rotate, zoom, pan, and tap to inspect 3D mathematical structures interactively. Key features: z = f(x,y) surface plotting x(t,s), y(t,s), z(t,s) parametric surfaces 44 built-in mathematical surfaces Isometric, front, side, and top views Perspective and orthographic cameras Surface, wireframe, and surface + grid modes Multiple color palettes Prism color gradient Adjustable mesh quality and opacity X, Y, and Z axes Tap-to-inspect coordinates Parameter sliders and animation Save and reuse graphs JSON import and export PNG image export Turkish and English language support iPhone and iPad support Fully on-device operation ParaGraph3D is designed for students, teachers, math enthusiasts, and anyone who wants to explore beautiful mathematical surfaces in 3D. No account required. No ads. No subscription.

Screenshots

CIDR4 screens
ParaGraph3D4 screens

Verdict

The call

The clearest difference is price: CIDR at Free against ParaGraph3D's $0.99. CIDR also leads on update cadence (every 3 weeks vs every 9 months) and iOS requirement (15.6 vs 17.0). ParaGraph3D's advantage is in-app purchases (none vs 1). On 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

CIDR is free to download; ParaGraph3D costs $0.99 up front. CIDR sells 1 one-off in-app purchase. ParaGraph3D asks for nothing beyond the download.

UpkeepUpdate frequency

CIDR ships an update every 3 weeks, ParaGraph3D every 9 months. The most recent releases landed on November 3, 2026 and November 9, 2026 respectively.

Scorecard4 real differences · 5 level
CIDR versus ParaGraph3D: the parameters behind the verdict, then further details
ParameterCIDRParaGraph3D
PriceFree — better$0.99
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeks — betterEvery 9 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.0
Further details — not scored
Size23 MB1 MB
Age rating4+4+
Developerakira ohmachiMustafa Cans?z

In-app purchases

1 purchases

CIDR

One-time1
  • Remove Ads$1.99
None

ParaGraph3D

No in-app purchases

Questions

Is CIDR free?
CIDR is free to download, with in-app purchases available.
Is ParaGraph3D free?
ParaGraph3D costs $0.99, with no in-app purchases.
Do CIDR or ParaGraph3D have ads?
Neither CIDR nor ParaGraph3D shows ads.
Which is updated more often, CIDR or ParaGraph3D?
CIDR ships an update every 3 weeks, and ParaGraph3D every 9 months. Most recently, CIDR was updated on November 3, 2026 and ParaGraph3D on November 9, 2026.

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