Slinger vs Tramhuis
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Slinger
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Heading to work, a festival, a concert or a game? Travel together with someone going your way. With Slinger, you can easily find people from your community who are offering a ride or looking to ride along. Offer a seat yourself, or find a ride that fits your trip. Chat with each other, agree on a pickup spot and split the travel costs if you like. That way you travel for less, have more fun and put fewer cars on the road. Slinger is used by communities, employers, sports clubs and events to connect people heading the same way. Choose your community, find a ride and travel together.
Tramhuis
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Hi there, welcome to Tramhuis, the place for city walks in Rotterdam. With Tramhuis, you’ll hear stories you’d otherwise miss, at places you might normally overlook. Set out and experience the city through new perspectives. With the Tramhuis app, you explore Rotterdam on foot. Along the way, you’ll hear personal stories, uncover hidden spots, and see the city from new perspectives. The app guides you step by step through the city. Choose your route and start walking. The app uses your location and plays the stories automatically. Look around, follow the rhythm of the city, and listen. What to expect - A podwalk in Dutch or English. Walk with your earphones and hear the stories exactly when you reach the right spot. - A walking route that starts at the Tramhuis, with a digital map and clear directions. - Stories told by people who know Rotterdam well. Good to know You’ll download the route at the start of your walk, so you can continue offline. Not sure how it works or run into an issue? No worries—there’s a list of frequently asked questions in the app. The app uses your location only to trigger the audio at the right moment. You don’t need to create an account or register. Tap start, put your phone in your pocket, and start walking. Note: The app includes in-app purchases.
Screenshots
Verdict
The clearest difference is in-app purchases: Slinger at none against Tramhuis's 4. Slinger also leads on update cadence (every 9 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. Tramhuis sells 4 one-off in-app purchases. Slinger asks for nothing beyond the download.
Slinger ships an update every 9 days, Tramhuis every 3 weeks. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.
| Parameter | Slinger | Tramhuis |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 28 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Slinger B.V. | Stichting Tramhuis |
In-app purchases
Slinger
No in-app purchases
Tramhuis
- Heart of My City$3.99
- City of Street Sculptures$3.99
- City of Food and Cultures$3.99
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- Building the city$3.99









