Wetility vs AuPairSync
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Wetility
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Introducing One Bill, your all-in-one energy app for buying prepaid electricity, earning rewards, and switching to solar. Check if your municipality is eligible for prepaid, top up in seconds and get 2% back in rewards on every purchase. Ready for solar? Check if you qualify for One Bill Solar, apply right in the app and track your application from credit approval to installation day, while paying at least 5% less than your current electricity bill. Take control of your energy anytime, anywhere with a simple dashboard that shows all your assets in one combined view, tracks how much energy you're generating, using and saving, and keeps your billing and payments in one place. Stay connected to your solar system in real time, choose the mode that suits your home, and log an issue straight from the app if something isn't right.
AuPairSync
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AuPairSync is the shared plan for a host family and their au pair. Parents and the au pair join the same family, and each of them gets their own view of it: who has the kids when, who does the pick-up, what still needs doing, and how many working hours are left this week. Working hours, counted for you โข The au pair starts and ends a shift with one tap, or fills in a day later โข Each week is submitted and the family confirms it, so both sides see the same total โข The app counts against the hours you agreed and against the program limits: 45 h a week and 10 h a day for US J-1 au pairs, 30 h and 10 h for US EduCare, 30 h and 6 h in Germany โข Every change to the agreed hours is visible to the au pair Schedules, pick-ups and hand-overs โข One family calendar for school, activities, routines and time off โข Every hand-over shows who drops off and who picks up โข Someone outside the family can take over a pick-up. Parents set it in the event details, au pairs ask for it in the app, and it can be undone Everyday things โข Tasks and chores, checked off with a photo โข A shared shopping list. Type into "Ask or add something" and the items go on the list, several per line โข A weekly meal plan โข Messages and announcements for the whole family โข Babysitting requests, time off, pocket money and expenses โข Child profiles with allergies, medication and emergency contacts, plus an optional care log Built for both roles โข Parents see on the Dashboard what needs them today โข The au pair knows the day's plan before the kids wake up โข Seven languages: English, German, Spanish, French, Dutch, Brazilian Portuguese and Chinese. Everyone picks their own Your family's plans stay within your family, and there are no ads. AuPairSync is made by a host family together with their au pair. Questions, ideas or bug reports: coba@aupairsync.com Subscription AuPairSync is free for 30 days, and you don't need to enter payment details. After that, one monthly subscription covers the whole family: both parents, the au pair and anyone who joins later. One person pays, and the au pair never does. The App Store shows the price in your currency before you subscribe. The subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple ID. You can manage and cancel it at any time in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://aupairsync.com/terms Privacy Policy: https://aupairsync.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Wetility at none against AuPairSync's 1. AuPairSync's advantage is update cadence (daily vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. AuPairSync sells 1 in-app purchase, starting at $4.99 per month. Wetility asks for nothing beyond the download.
Wetility ships an update fortnightly, AuPairSync daily. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.
| Parameter | Wetility | AuPairSync |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Daily โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 47 MB | 66 MB |
| Age rating | 4+ | 4+ |
| Developer | Wetility | Markus Holzhauser |
In-app purchases
Wetility
No in-app purchases
AuPairSync
- AuPairSync Family$4.991 Month









