# Denniston vs Carpoolin

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.

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

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

## The numbers

| Metric | Denniston | Carpoolin |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | Free | — |
| Size | 344 MB | 105 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Grant Baxter](https://appshunter.io/developer/521632233) | [Save Man LTD](https://appshunter.io/developer/1758739534) |

## What reviewers say

### Denniston

[App page](https://appshunter.io/ios/app/denniston/id521632230)

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:** macOS Compatibility

**In-app purchases:** none


### Carpoolin

[App page](https://appshunter.io/ios/app/carpoolin/id6566191603)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to public | $10.00 | one-time |
| Upgrade to unlimted member | $10.00 | one-time |
| Event Public Update | $10.00 | one-time |
| Group Basic | $20.00 | one-time |
| Bundle Upgrade For Group | $20.00 | one-time |
| Default Create Event | $20.00 | one-time |
| Group Unlimited Member | $30.00 | one-time |
| Public Group | $30.00 | one-time |
| Public Event | $30.00 | one-time |
| Group Unlimited Bundle With Public | $40.00 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*