CIDR vs calQuery
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- IP address range calculation
- Subnet mask to CIDR conversion
- IPv4 prefix display
- Number of address ranges
- Bit notation display
- Quick reference table
Read full descriptionHide 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.
calQuery
Easily search your iPhone or iPad calendar for past events. Results can be sorted by date, location, or alphabetically. Tapping a result opens the corresponding day in your native calendar app.
- Search past calendar events
- Sort results by date, location, alphabet
- Open events in native calendar
- Supports iPhone and iPad
Read full descriptionHide full description
With calQuery you can search the calendar of your iPhone of iPad. Unlike the search function of the calendar app, even long past events are found. The search results can be sorted by date, location and alphabet. By selecting a result, the corresponding day is displayed in the calendar app.
Screenshots
Verdict
The clearest difference is in-app purchases: calQuery at none against CIDR's 1. CIDR's advantage is update cadence (every 3 weeks vs every 9 months). On price, rating, ratings volume and ads 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. CIDR sells 1 one-off in-app purchase. calQuery asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for CIDR against 5.0 for calQuery. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
CIDR ships an update every 3 weeks, calQuery every 9 months. Both last shipped on October 11, 2026.
| Parameter | CIDR | calQuery |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 weeks — better | Every 9 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.5 — better |
| Further details — not scored | ||
| Size | 23 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | akira ohmachi | Uwe Holtkamp |
Customer experience
CIDR
calQuery
In-app purchases
CIDR
- Remove Ads$1.99
calQuery
No in-app purchases
