Ratios vs CIDR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ratios
This application helps home baristas calculate precise coffee brewing ratios. Easily determine the exact weight of coffee beans and water needed for your desired brew strength. All values are instantly editable to see how adjustments impact your final cup.
- Calculate coffee bean and water weights
- Adjustable brew strength
- Instant value updates
- Free and open source
- Supports various brew amounts
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Ratios is a free and open source calculator for home brewed coffee. Quickly and easily enter the total amount of coffee you want to make and Ratios will calculate the weight of beans and amount of water needed based on your desired strength. All the information is editable and updates instantly so you can see how different values affect your overall brew.
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
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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.
Screenshots
Verdict
The clearest difference is in-app purchases: Ratios at none against CIDR's 1. Ratios also leads on ratings volume (79 vs 1) and iOS requirement (10.3 vs 15.6). CIDR's advantage is update cadence (every 3 weeks vs every 5 months) and rating (5.0 vs 4.7). On price, ads, monetization model 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. CIDR sells 1 one-off in-app purchase. Ratios asks for nothing beyond the download.
CIDR holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Ratios has 79 ratings behind it against 1, so its average is the more settled of the two.
Ratios ships an update every 5 months, CIDR every 3 weeks. The most recent releases landed on August 15, 2026 and June 30, 2026 respectively.
| Parameter | Ratios | CIDR |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (79 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 79 — better | 1 |
| Update frequency | Every 5 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.3 — better | 15.6 |
| Further details — not scored | ||
| Size | 17 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Brushed Type Ltd | ao-system, Inc. |
Customer experience
Ratios
CIDR
In-app purchases
Ratios
No in-app purchases
CIDR
- Remove Ads$1.99
