Pure vs HydraCal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pure
Order delicious London breakfast and lunch for delivery or click & collect. Enjoy exclusive discounts on your next office order or takeaway meal.
- Order breakfast and lunch
- Office delivery
- Click & Collect orders
- 20% off Click & Collect
- Catering for meetings
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London’s best breakfast and lunch on the go and catering for meetings now even better. Download to order your next office delivery or get 20% off all Click & Collect orders
HydraCal
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HydraCal makes it simple to stay on top of your daily hydration and calorie needs. Designed with people undergoing radiotherapy in mind, and working with the products provided by your healthcare professional, HydraCal helps you record your fluid intake and nutrition in just a few taps. With clear progress tracking against your daily goals and an easy-to-read history, HydraCal supports your wellbeing by keeping you motivated and informed. Its clean, modern interface ensures that logging your Fortisips® and Calogen® intake as well as feeding tube flushes and any other calorie or liquid intake is quick, effortless, and stress-free.
Screenshots
Verdict
Pure and HydraCal are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Pure ships an update every 3 weeks, HydraCal every 4 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | Pure | HydraCal |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| Update frequency | Every 3 weeks — better | Every 4 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 53 MB | 39 MB |
| Age rating | 12+ | 17+ |
| Developer | 5loyalty | Daniel Mitchell |
In-app purchases
Pure
No in-app purchases
HydraCal
No in-app purchases
