Tune Delivery Network (TDN) vs Flash Tree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tune Delivery Network (TDN)
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.
- Receive custom vehicle tunes
- Works with TDN devices
- Direct tune delivery
- Requires compatible hardware
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The Tune Delivery Network app enables your TDN tuner to send you their tunes for your vehicle. An HP Tuners RTD+, MPVI3, MPVI2+, or other TDN-compatible delivery device is required. Please note that this app is designed for users who have a relationship with a tuner that is part of the TDN system, and is not intended as a solution for self-tuners or non-TDN tuners.
Flash Tree
Synchronize countdown timers across multiple devices for group races or events. Start races instantly without needing external assistance. Ideal for competitive activities where precise timing is crucial.
- Synced countdown timers
- Group race functionality
- Start races instantly
- Multi-device synchronization
- Customizable countdowns
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Flash Tree is like having a synced countdown in your pocket. No more having to ask someone to start a race. Just select your preferred countdown, hit start, and GO! You can sync multiple devices to the same countdown for a group race. Flash Tree has 2 payment options Free: You can join any race invited by others for free Paid: The app asks for $1.99/month subscription to start race and invite others. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: Flash Tree at 100% against Tune Delivery Network (TDN)'s 14%. Flash Tree also leads on rating (4.0 vs 2.5) and iOS requirement (11.0 vs 13.1). Tune Delivery Network (TDN)'s advantage is in-app purchases (none vs 1) and ratings volume (26 vs 4). 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
Both are free to download. Flash Tree sells 1 in-app purchase, starting at $9.99 per month. Tune Delivery Network (TDN) asks for nothing beyond the download.
Flash Tree holds the better App Store score, 4.0 against 2.5. That said, the two scores are not equally well evidenced: Tune Delivery Network (TDN) has 26 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 14% of Tune Delivery Network (TDN)'s written reviews are positive against 100% of Flash Tree's.
Tune Delivery Network (TDN) ships an update fortnightly, Flash Tree every 10 days. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.
| Parameter | Tune Delivery Network (TDN) | Flash Tree |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (26 ratings) | 4.0 (4 ratings) — better |
| Positive reviews | 14.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 26 — better | 4 |
| Update frequency | Fortnightly | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 61 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | HP Tuners LLC | BUILDMYPAGE, LLC |
Customer experience
Tune Delivery Network (TDN)
Flash Tree
Bugs and requests
Tune Delivery Network (TDN)
Reported bugs
4 issues- App crashes when trying to read/clear codes or connect to device
- Fails to load tunes or read vehicle data
- Bluetooth connectivity issues prevent basic functions
- Sync and file transfer problems
Requested features
3 requests- Allow uploading tunes from tuner for personal use
- Add basic tuning functions like KAM reset and crank relearn
- Improve data log viewing and management capabilities
Flash Tree
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tune Delivery Network (TDN)
No in-app purchases
Flash Tree
- Flash Tree Subscription$9.991 Month
Questions
Is Tune Delivery Network (TDN) free?
Is Flash Tree free?
Which has better reviews, Tune Delivery Network (TDN) or Flash Tree?
Do Tune Delivery Network (TDN) or Flash Tree have ads?
Which is updated more often, Tune Delivery Network (TDN) or Flash Tree?
Other comparisons
