WelcomPool vs PlusOne Watch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WelcomPool
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WelcomPool makes pool water treatment easy! WelcomPool is a Bluetooth remote control that lets you control your treatment equipment from your smartphone. Simple and user-friendly, the app lets you - Set your production, pH and ORP parameters - Set the different operating modes of your chlorinator - Adjust the parameters of your appliance (water hardness, polarity inversion, type of corrective agent, presence of flow sensor, etc.) - Alerts and alarms directly on your app - Update the device software directly from your smartphone - View until 10-day rolling history Compatible with the Stérilor EVO 2024 ranges
PlusOne Watch
A straightforward utility for tracking any kind of count directly from your watch face. Easily add custom labels for wins, plays, drinks, or anything else you need to tally. Swipe left to delete unused labels.
- Count anything with custom labels
- Display count directly on watch face
- Simple and intuitive interface
- Delete labels by swiping left
- Supports iPhone and iPod
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+1 is a simple counter app with a complication. Count anything, wins, plays, drinks, or any custom label, and see the total count directly from your watch face. Pro tip: you can delete a label you don't use anymore by swiping to the left.
Screenshots
Verdict
WelcomPool and PlusOne Watch 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.
WelcomPool ships an update every 2 months, PlusOne Watch every 3 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.
| Parameter | WelcomPool | PlusOne Watch |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch — better |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | AS Pool | Basile Bruneau |
In-app purchases
WelcomPool
No in-app purchases
PlusOne Watch
No in-app purchases
