# TDR Extension vs WikiCoaster

The clearest difference is in-app purchases: TDR Extension at none against WikiCoaster's 2. WikiCoaster's advantage is iOS requirement (16.4 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WikiCoaster sells 2 in-app purchases, starting at $2.99 per month. TDR Extension asks for nothing beyond the download.

TDR Extension ships an update fortnightly, WikiCoaster every 11 days. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | TDR Extension | WikiCoaster |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | — | Free with in-app purchases |
| Size | 10 MB | 53 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Imaizumi Kei](https://appshunter.io/developer/1803264759) | [Fabien Schneiter](https://appshunter.io/developer/6789737379) |

## What reviewers say

### TDR Extension

[App page](https://appshunter.io/ios/app/tdr-extension/id6758687479)

**Features:** macOS Compatibility

**In-app purchases:** none


### WikiCoaster

[App page](https://appshunter.io/ios/app/wikicoaster/id6789737377)

This app helps you make the most of your theme park visits by providing real-time ride wait times and historical data. It compares current waits to normal levels, suggests optimal times to ride, and offers personalized day plans for a smoother experience.

**Highlights:** Live ride wait times, Wait time comparison to normal, Park crowd level indicators, Personalized day planning, Ride breakdown and reopening alerts, Visitor reviews

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WikiCoaster Plus (Mensuel | $2.99 | per month |
| WikiCoaster Plus (Annuel) | $24.99 | per year |


## Frequently asked questions

### Is TDR Extension free?

TDR Extension is free to download, with no in-app purchases.

### Is WikiCoaster free?

WikiCoaster is free to download, with in-app purchases available.

### Do TDR Extension or WikiCoaster have ads?

Neither TDR Extension nor WikiCoaster shows ads.

### Which is updated more often, TDR Extension or WikiCoaster?

TDR Extension ships an update fortnightly, and WikiCoaster every 11 days. Most recently, TDR Extension was updated on October 2, 2026 and WikiCoaster on October 6, 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.*