Comparison

Denniston vs Carpoolin

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Denniston

Explore the historic Denniston Rose Trail, inspired by Jenny Pattrick's best-selling books. This interactive guide leads you through 17 key locations, uncovering the rich industrial heritage of New Zealand's former coal mining area.

Highlights
  • Interactive self-guided literary trail
  • Explore 17 key book-inspired locations
  • Discover Denniston's industrial heritage
  • Learn about New Zealand's early coal mining history
  • Navigate rugged landscapes
Features
Read full description

The Denniston Rose Trail is an interactive self-guided literary trail to the place that inspired the best-selling books by Jenny Pattrick — The Denniston Rose and Heart of Coal. Developed by the Department of Conservation and Design for Innovation at the University of Otago, the trail comprises 17 key locations from the books, guiding visitors to traverse its uniquely rugged landscape, exploring Denniston's history. Denniston, once NZ's largest producing coal mining area, is now managed by the Department of Conservation as an ICON heritage site, conserving and interpreting the area to showcase and bring to life New Zealand's early industrial heritage.

About

Carpoolin

Features
Read full description

Carpoolin is a community driven ride-sharing app designed for daily commuters. Whether you're heading to work or coming back home, Carpoolin connects you with locals traveling similar routes, making your journey cheaper, greener, and hopefully more enjoyable. Key Features; Scheduled Trips: Set departure and return times to fit your schedule. Meet people: Discover locals heading your way. Share the ride, split the costs, and make new friends along the way. Safety: Inspect Drivers or Passengers. See reviews and feedback, and find others in your neighbourhood/communities. https://www.carpoolin.co/safety Save Money and the Planet: Reduce your daily transportation costs and lower your carbon footprint by sharing rides. Together, we can make the planet greener. Optional Premium Features: Subscribe to Carpoolin Premium. Subscriptions should be viewed more as a thing to help support Carpoolin development and the ongoing costs of hosting such a service. We're inspired by Platforms like Discord and will venture to add ways to personalise your Profile/Groups later in *2026. Terms of Use (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ We appreciate all forms of support be it financial, a positive review or even telling a friend.

Screenshots

Denniston4 screens
Carpoolin4 screens

Verdict

The call

The clearest difference is in-app purchases: Denniston at none against Carpoolin's 10. Denniston also leads on iOS requirement (12.0 vs 16.0). On price, update cadence, ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Carpoolin sells 10 one-off in-app purchases. Denniston asks for nothing beyond the download.

UpkeepUpdate frequency

Denniston ships an update monthly, Carpoolin every 6 weeks. The most recent releases landed on September 30, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 6 level
Denniston versus Carpoolin: the parameters behind the verdict, then further details
ParameterDennistonCarpoolin
PriceFreeFree
Positive reviews100.0% of reviews—
Update frequencyMonthly — betterEvery 6 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better16.0
Further details — not scored
Size344 MB105 MB
Age rating4+17+
DeveloperGrant BaxterSave Man LTD

In-app purchases

None

Denniston

No in-app purchases

10 purchases

Carpoolin

One-time10
  • Upgrade to public$10.00
  • Upgrade to unlimted member$10.00
  • Event Public Update$10.00
Show 7 more
  • Group Basic$20.00
  • Bundle Upgrade For Group$20.00
  • Default Create Event$20.00
  • Group Unlimited Member$30.00
  • Public Group$30.00
  • Public Event$30.00
  • Group Unlimited Bundle With Public$40.00

Questions

Is Denniston free?
Denniston is free to download, with no in-app purchases.
Is Carpoolin free?
Carpoolin is free to download, with in-app purchases available.
Do Denniston or Carpoolin have ads?
Neither Denniston nor Carpoolin shows ads.
Which is updated more often, Denniston or Carpoolin?
Denniston ships an update monthly, and Carpoolin every 6 weeks. Most recently, Denniston was updated on September 30, 2026 and Carpoolin on September 24, 2026.

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