Ratios vs Infinite Ruler
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.
Infinite Ruler
Measure objects with precision using a digital ruler that extends beyond your screen. Choose fractional inch or centimeter units and calibrate for accuracy. Ideal for quick measurements when a physical tool isn't available.
- Fractional inch or centimeter measurement
- Adjustable precision (1/8, 1/16, 1/32 inch)
- Extendable ruler beyond screen length
- Customizable zero point
- Live distance markers
- On-device calibration
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Infinite Ruler The perfect app for when you've forgotten your tape measurer in the shed and want to know how tall your coffee mug is. Or maybe you need to settle an argument about how big your cat's head is. Measure in centimeters or fractional inches, then keep going beyond the length of one screen. • Choose 1/8, 1/16 or 1/32-inch precision • Move the zero point to start anywhere • Place A and B markers for a live distance • Continue measuring across as many ruler pages as you need • Put the scale on the left or right edge • Calibrate per phone for better real-world accuracy Your measurements and calibration values stay on your device.
Screenshots
Verdict
The clearest difference is review sentiment: Infinite Ruler at 100% against Ratios's 71%. Infinite Ruler also leads on rating (5.0 vs 4.7). Ratios's advantage is ratings volume (79 vs 2) and device support (3 vs 1). On price, update cadence, ads and in-app purchases 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.
Infinite Ruler 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 2, so its average is the more settled of the two. Written reviews point the same way: 71% of Ratios's written reviews are positive against 100% of Infinite Ruler's.
Ratios ships an update every 5 months, Infinite Ruler every 7 months. The most recent releases landed on October 10, 2026 and September 21, 2026 respectively.
| Parameter | Ratios | Infinite Ruler |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (79 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 71.4% of reviews | 100.0% of reviews — better |
| Number of ratings | 79 — better | 2 |
| Update frequency | Every 5 months — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 10.3 — better | 18.2 |
| Further details — not scored | ||
| Size | 17 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Brushed Type Ltd | Eric Savoie |
Customer experience
Ratios
Infinite Ruler
In-app purchases
Ratios
No in-app purchases
Infinite Ruler
No in-app purchases
Questions
Is Ratios free?
Is Infinite Ruler free?
Which has better reviews, Ratios or Infinite Ruler?
Do Ratios or Infinite Ruler have ads?
Which is updated more often, Ratios or Infinite Ruler?
Other comparisons
