BOIL by Vesta vs A2O
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BOIL by Vesta
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At Vesta Solar Heaters Ltd we manufacture products with care and respect for the environment. The Boil app is no exception. BOIL helps you learn about your hot water needs while saving energy and money. Use your Boil app to control your BOIL thermostat from your office, the plane or your living room. Get live temperature readings. Switch your thermostat ON/OFF, adjust the temperature you require for a quick shower, a long bath or playtime for the kids. Set your desired temperature for the week according to your own schedule. Whether you need to have hot water early in the morning or late at night, you can schedule your BOIL to fit your needs without any waste of electricity. If there is hot water, the thermostat will remain off saving you money and energy. Share your device with the people you share your home. Receive notifications and alerts. We hope you enjoy your BOIL app and we look forward to hearing your feedback.
A2O
Manage your water purifier from your smartphone, track real-time water usage, and receive timely filter change reminders. Access product manuals and helpful water information.
- Connect and manage water purifier
- Track real-time water usage
- Filter change reminders
- Maintenance guidance
- Access product manuals
- View purification effectiveness
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CONNECT WITH YOUR WATER PURIFIER Connect your Aquaporin water purifier with your smartphone to manage it and track your water usage in real time. RECEIVE UPDATES Receive recommendations to ease the use of your Aquaporin water purifier and get a reminder when it's time to change filters and guidance on how to order your new filters. TRACK YOUR USAGE Create transparency between you and your Aquaporin water purifier by tracking your water usage. Monitor your filter lifetime, next maintenance, and the effectiveness of the purification of the purifier. ACCESS INFORMATION Access product manuals, installation guides, and useful information about water.
Screenshots
Verdict
BOIL by Vesta and A2O 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.
BOIL by Vesta ships an update every 10 months, A2O every 11 months. The most recent releases landed on October 27, 2026 and November 3, 2026 respectively.
| Parameter | BOIL by Vesta | A2O |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 10 months — better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 104 MB | 188 MB |
| Age rating | 4+ | 12+ |
| Developer | Pro Smart | Aquaporin |
In-app purchases
BOIL by Vesta
No in-app purchases
A2O
No in-app purchases
