DEKRA TACS4 vs CKE Phone Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DEKRA TACS4
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TACS4-Mobile This is an engineering/professional tool addressed to carriers, phone vendors and others which want to evaluate the quality of its wireless network and its device.
CKE Phone Key
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Universal-style smart key * Enables your compatible smartphone to emulate the original smart key for the vehicle A backup when you need it * Lock, unlock, and start when your physical key is misplaced. Easy to set up * Works with standard professional and DIY programming tools. Phone & watch * Control your car from your phone or a paired watch. Share access * Give family, friends, or other approved drivers access through the app. Works on millions * Of existing push-button-start vehicles, model years 2007-2025. Custom proximity sensing * Adjustable settings to lock/unlock as you walk up or step away. No new car required * Brings digital-key convenience to the push-button-start vehicle you already own.
Screenshots
Verdict
The clearest difference is update cadence: DEKRA TACS4 at every 5 weeks against CKE Phone Key's every 6 months. DEKRA TACS4 also leads on iOS requirement (11.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
DEKRA TACS4 ships an update every 5 weeks, CKE Phone Key every 6 months. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.
| Parameter | DEKRA TACS4 | CKE Phone Key |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch — better |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 30 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | AT4 wireless S.A. | Lock Labs, Inc. |
In-app purchases
DEKRA TACS4
No in-app purchases
CKE Phone Key
No in-app purchases
Questions
Is DEKRA TACS4 free?
Is CKE Phone Key free?
Do DEKRA TACS4 or CKE Phone Key have ads?
Which is updated more often, DEKRA TACS4 or CKE Phone Key?
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