PostCodeStar vs carparks.je
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PostCodeStar
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Ever been frustrated when people can't find your house or office despite having an address and a Post Code or Zip Code? Or do you need to permanently pinpoint a location somewhere? Well PostCodeStar is for you. We've chopped up the entire surface of the Earth into around 16 trillion squares of approximately 3m squared and condensed it all into a few characters after a post / zip code. Add a short extension to international post codes / zip codes to pinpoint any location to within 3m. So that's a resolution of just 3m and just with a few characters after the normal post / zip code. Handy yeah? Oh, and your codes are free for ever. You can share star codes with anyone. Entering a star code in the search box or following a shared link opens the location in PostCodeStar and you can navigate with Google Maps. The benefits of PostCodeStar: * Using characters rather than words means there is no need for translation into multiple languages. * PostCodeStar utilises the existing, easily recognised post code system where available so it's just a case of adding a few characters at the end. * There's no risk of mispronouncing words or misunderstanding due to accents or reading abilities. Letters can be read out phonetically and there are only a few of them! * It's way quicker to type a few characters than huge long co-ordinates or words. * PostCodeStar is so accurate. You can pinpoint any 1 square metre location, anywhere in the world. On water, up a mountain, in a tent in a field, up a ski slope, in the Australian Outback... no address required. How awesome is that?
carparks.je
This app provides real-time and forecasted parking availability for public car parks in St Helier. It helps users find the best parking spot based on walking distance, expected space availability, and price. The app also integrates with your calendar to create one-tap parking plans for events.
- Live parking availability
- Parking spot ranking
- 7-day availability forecast
- Calendar event integration
- Accurate event-based predictions
- No account required
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Know where you're parking before you leave the house - carparks.je tells you the best place to park with one tap on the map. Live availability Every space in all 7 public St Helier car parks, refreshed every minute. Your best spot Tap anywhere or search a destination. We rank by walk, space on arrival, and price. 7-day forecast See availability for the whole town or any single car park, at any point in the week ahead. Calendar events, sorted Opt in and today's events in town become one-tap parking plans. Your calendar never leaves your device. Genuinely accurate We track events, school holidays and sensor glitches. Forecasts land within a few spaces an hour ahead. Free, no ads Everything above, for everyone. No account, no ads, no catch.
Screenshots
Verdict
The clearest difference is update cadence: carparks.je at daily against PostCodeStar's every 31 months. PostCodeStar's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
PostCodeStar ships an update every 31 months, carparks.je daily. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.
| Parameter | PostCodeStar | carparks.je |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 31 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 14.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 14 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Achorda Ltd | Oliver Buterbaugh |
In-app purchases
PostCodeStar
No in-app purchases
carparks.je
No in-app purchases






