NLJUG vs GuestPark
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
NLJUG
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This is the official event app for conferences organized by NLJUG, the Dutch Java User Group. This app provides the schedule and other relevant information for NLJUG events. You can view the timetable, check out session and speaker details, find your way through the venue and create your own personal schedule. After having enjoyed a session, you can use the app to rate the session.
GuestPark
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Transform your Amsterdam parking experience with GuestPark - the premium visitor parking app that delivers the professional functionality Amsterdam's municipal apps should have provided from day one. Revolutionary Multi-Profile Management Save unlimited permit/PIN combinations for family members, employees, or multiple properties. Switch instantly between profiles with visual avatars and custom names. No more juggling phones or re-entering credentials. Intelligent Session Optimization Our Time Intelligence Engine understands Amsterdam's complex parking regulations better than you do. Automatic free parking detection, smart time optimization based on zone rules, and future session planning that saves you โฌ50+ monthly through optimized timing. Premium User Experience Built with Material Design 3 and bilingual perfection - seamless English/Dutch switching without app restart. Complete parking transactions in under 30 seconds with visual status indicators and zero learning curve. Advanced Notification Intelligence Profile-contextual alerts ensure you always know which account and vehicle notifications concern. Customizable timing, smart navigation, and 100% reliable delivery mean zero parking fines due to forgotten sessions. Transparent Financial Management Real-time wallet balance, secure in-app payments, and cost prediction engine eliminate surprise charges entirely. Always know exact costs before commitment with transparent pricing. Why GuestPark Matters Amsterdam generates over 525,000 parking fines annually - one every minute. Municipal apps remain the #1 source of resident complaints due to confusing interfaces, technical failures, and billing surprises. GuestPark users report: โข 100% session awareness - never miss deadlines โข Zero surprise charges through transparent pricing โข 15+ minutes saved per session with multi-profile support โข Professional reliability during critical parking moments Perfect for multi-permit families, business permit holders, international residents, and anyone who values efficiency over frustration. Built with enterprise-grade security, developer-quality reliability, and the premium experience you deserve. Stop fighting with inadequate municipal apps. Start enjoying effortless, intelligent parking completely under your control.
Screenshots
Verdict
The clearest difference is iOS requirement: GuestPark at 12.0 against NLJUG's 15.0. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
NLJUG ships an update every 3 months, GuestPark every 2 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | NLJUG | GuestPark |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 51 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | Belastingdienst | Costi Mihai |
In-app purchases
NLJUG
No in-app purchases
GuestPark
No in-app purchases









