Comparison

CIDR vs Overtime Calculator plus

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

Overtime Calculator plus

Features
Read full description

Overtime Calculator app allowing you to calculate your over time easily so you will save your time specially if you are accountant this app will be your favourite tool enjoy ..

Screenshots

CIDR4 screens
Overtime Calculator plus4 screens

Verdict

The call

The clearest difference is in-app purchases: Overtime Calculator plus at none against CIDR's 1. Overtime Calculator plus also leads on iOS requirement (11.0 vs 15.6). CIDR's advantage is update cadence (every 3 weeks vs every 17 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CIDR sells 1 one-off in-app purchase. Overtime Calculator plus asks for nothing beyond the download.

UpkeepUpdate frequency

CIDR ships an update every 3 weeks, Overtime Calculator plus every 17 months. Both last shipped on November 3, 2026.

Scorecard3 real differences · 6 level
CIDR versus Overtime Calculator plus: the parameters behind the verdict, then further details
ParameterCIDROvertime Calculator plus
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeks — betterEvery 17 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.611.0 — better
Further details — not scored
Size23 MB31 MB
Age rating4+4+
Developerakira ohmachiAMAR AWNI

In-app purchases

1 purchases

CIDR

One-time1
  • Remove Ads$1.99
None

Overtime Calculator plus

No in-app purchases

Questions

Is CIDR free?
CIDR is free to download, with in-app purchases available.
Is Overtime Calculator plus free?
Overtime Calculator plus is free to download, with no in-app purchases.
Do CIDR or Overtime Calculator plus have ads?
Neither CIDR nor Overtime Calculator plus shows ads.
Which is updated more often, CIDR or Overtime Calculator plus?
CIDR ships an update every 3 weeks, and Overtime Calculator plus every 17 months. Most recently, CIDR was updated on November 3, 2026 and Overtime Calculator plus on November 3, 2026.

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