Best Tdr App

224+ iOS apps & games curated and reviewed

4.2 avg rating
18 free apps & games
Updated June 2026

FieldScout Mobile is the household name in tdr app, but it's far from the only option. We track 224+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Tdr App (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1FieldScout MobileFieldScout MobileFree4.7★ (6)NoNoJul 2026
2Tokyo Disney Resort AppTokyo Disney Resort AppFree2.2★ (505)NoYesSep 2026
3Tune Delivery Network (TDN)Tune Delivery Network (TDN)Free2.5★ (26)NoNoSep 2026
4TDR ViewerTDR ViewerFree2.3★ (9)NoNoJun 2026
5TDR Alert - UnofficialTDR Alert - UnofficialFree4.8★ (487)NoNoJun 2026
6TDR AppTDR AppFreeNoNoMay 2026
7MyRacePassMyRacePassFree4.8★ (12K)NoYesSep 2026
8Castle Creeps TDCastle Creeps TDFree4.6★ (8.4K)YesYesSep 2026

Top Picks for Tdr App

FieldScout Mobile#1

FieldScout Mobile by Spectrum Technologies, Inc.

Editor's Choice
💼 Business
4.7(6 ratings)
Free
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Instantly collect and display data from compatible soil moisture and firmness meters. View readings in a grid or customize zones for flexible data management. Seamlessly sync with a SpecConnect account for advanced features and data delivery.

Tokyo Disney Resort App#2

Tokyo Disney Resort App by Oriental Land Co., Ltd.

Tokyo Disney Resort Official
Strong Contender
🎬 Entertainment
2.2😞(505 ratings)
FreeIn-App Purchases
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Plan your visit to Tokyo Disney Resort with this official app. Purchase tickets, view park maps, check wait times, and access special services like Disney Premier Access and Priority Pass. Enhance your park experience with group planning and photo features.

What We Love

  • 🚀 Helpful app
  • 📍 Useful map and location information
  • 🍽️ Convenient food ordering
  • 🎢 Ride wait times
  • 🎫 Ticket purchasing

Room to Improve

  • 🐛 Buggy and unstable
  • 🤯 Confusing and unintuitive navigation
  • 🔄 Constantly rotating map
  • ⏱️ Slow and unresponsive
  • 🔋 Battery draining
  • 🤖 Poor customer support
  • 💳 Issues with payment and ticket purchasing
Tune Delivery Network (TDN)#3

Tune Delivery Network (TDN) by HP Tuners LLC

For RTD+ and other TDN devices
Worth Considering
🔧 Utilities
2.5😞(26 ratings)
Free
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This application allows users to receive custom vehicle tunes from their tuner via a compatible TDN delivery device. It facilitates the transfer of performance tuning files directly to your vehicle's tuner. A specific TDN-compatible hardware device is necessary to use this service.

What We Love

  • 🚀 Flashing tunes fast and easy
  • 🚀 Convenient for tuning without a Windows PC
  • 👍 Great for remote tuning and diagnostics
  • 👍 Works well when tuner sends file

Room to Improve

  • 🐛 Constant connectivity issues
  • 🐛 Crashes and freezes frequently
  • 🐛 Glitchy and inconsistent performance
  • 🐛 Bluetooth disconnection problems
  • 🐛 Sync and file transfer issues
  • 🐛 Compatibility problems with newer iOS versions

More Tdr App apps to explore

FAQ about Tdr App

What is the best tdr app for iPhone?
FieldScout Mobile tops our tdr app ranking as of June 2026, with a 4.7-star average from 6 App Store ratings, and it's free to download.
Yes — 18 of the top tdr app we rank are free to download, including FieldScout Mobile and Tokyo Disney Resort App.
FieldScout Mobile has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 224+ tdr app on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
FieldScout Mobile is compatible with iPhone, iPad, and iPod devices. It is designed to work with FieldScout TDR 350, TDR 300, and TDR 150 Soil Moisture Meters, as well as the FieldScout TruFirm Firmness Meter.
The app allows you to collect and display data from your meters. You can view readings in a basic grid of up to 5x5 zones or customize the number of zones. Data can also be emailed directly from the app.