Ratios vs Whenn
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.
Whenn
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Note and share the companies you use with your next of kin. Order the paper pack and download the app. Use the start button to quickly enter the companies you use for your home and the banks, insurers and pension providers you use. No passwords, logins or account numbers. Once you've completed your Lists, share with next of kin. Edit and update as you switch providers or move home.
Screenshots
Verdict
The clearest difference is update cadence: Whenn at every 8 days against Ratios's every 5 months. Ratios's advantage is iOS requirement (10.3 vs 15.1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Ratios ships an update every 5 months, Whenn every 8 days. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.
| Parameter | Ratios | Whenn |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (79 ratings) — better | — |
| Positive reviews | 71.4% of reviews | — |
| Number of ratings | 79 — better | — |
| Update frequency | Every 5 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.3 — better | 15.1 |
| Further details — not scored | ||
| Size | 17 MB | 21 MB |
| Age rating | 4+ | 17+ |
| Developer | Brushed Type Ltd | Whenn Limited |
In-app purchases
Ratios
No in-app purchases
Whenn
No in-app purchases
