HTX Tunnels

Keto A.I Navigation iPhoneiPadiPod touch

HTX Tunnels is a free Navigation app for iPhone and iPad by Keto A.I. Rated 5.0/5 from 2 ratings. Requires iOS 15.0. Updated February 23, 2026.

Rating: 5.0; 2 ratings
Price: Free; on the App Store
Size: 2 MB; Age 4+
Updated: Feb 23; 2026 · v1.0

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Screenshots

About HTX Tunnels

HTX Tunnels is a mobile guide to downtown Houston’s underground tunnel network. Find the best way between towers, food halls, and transit stops without stepping outside. Use the live directory to: • Search by building, restaurant, or access point • See open entrances and hours • Follow tunnel routes with landmarks and corridor notes • Snap to your location for the closest entry • Spot ADA‑friendly paths and detours Location access is optional and is used only to show your position and improve routing accuracy. Motion sensors can help with underground positioning.

App privacy

The developer, Keto A.I, reported these privacy practices to Apple.

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

Identifiers: User ID
Location: Precise Location
Contact Info: Email Address

Used for: Analytics, App Functionality

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Contact Info: Name
Usage Data: Product Interaction
Diagnostics: Crash Data

Used for: App Functionality

App details

HTX Tunnels is a free Navigation app for iPhone, iPad and iPod touch, developed by Keto A.I. It is rated 5.0 out of 5 from 2 ratings on the App Store, requires iOS 15.0 or later and is 2 MB to download. It was first released on February 22, 2026 and last updated on February 23, 2026.

Category: Navigation
Rating: 5.0 / 5 (2 ratings)
Price: Free
Version: 1.0
Size: 2 MB
Requires: iOS 15.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: February 22, 2026
Last updated: February 23, 2026
Developer: Keto A.I

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Listing score

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Grade C

iPhone screenshots (1 / 10): Search results show the first three screenshots, so fill at least those.
Number of ratings (2): More ratings make the average more convincing.
App name length (11 / 30): There’s room for a keyword after your brand, e.g. “Brand: What it does”.

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Alternatives to HTX Tunnels

Looking for apps like HTX Tunnels? Here are 6 similar apps on the App Store. The highest rated is Houston TranStar (4.8/5), and all 6 are free to download.

HTX Tunnels vs. alternatives
App	Rating	Price	Last updated	Compare
HTX Tunnels	5.0 / 5 (2 ratings)	Free	February 23, 2026
WE TIX	1.6 / 5 (16)	Free	Sep 16, 2026	Compare
Houston METRO On Demand	4.4 / 5 (162)	Free	Oct 28, 2026	Compare
365 Things to Do in Houston	4.7 / 5 (1,310)	Free	Feb 4, 2026	Compare
Houston TranStar	4.8 / 5 (2,249)	Free	Dec 20, 2025	Compare
Vonlane	3.8 / 5 (13)	Free	Oct 23, 2026	Compare
RideMETRO	2.1 / 5 (157)	Free	Aug 4, 2026	Compare

Compare HTX Tunnels with the top alternatives: ratings, updates, ASO score and keyword gaps →