Comparison

Siren vs OneAuto

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

VIP Concierge Service

Free

🔧 Utilities

★ 5.07 ratingsView app →

About

Siren

Features

Read full description

Activate Siren in emergency situations if you become lost or injured to draw attention to your location. Siren emits a unique 86dB sound pattern which will repeat for several hours while you are seeking help.

About

OneAuto

Access exclusive memberships, coupons, and discounts for local automotive repair shops and dealerships. Streamline your vehicle service experience with this innovative technology.

Highlights

Vehicle service technology
Local automotive repair shop access
Dealership discounts
Membership benefits
Exclusive coupons

Features

Read full description

OneAuto is the future of vehicle service technology. The app gives users access to memberships, coupons, discounts and more from their local automotive repair shops and dealerships. Get started by downloading OneAuto today!

Screenshots

OneAuto4 screens

Verdict

The call

The clearest difference is update cadence: OneAuto at every 3 weeks against Siren's every 9 months. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Siren ships an update every 9 months, OneAuto every 3 weeks. The most recent releases landed on September 20, 2026 and October 6, 2026 respectively.

Scorecard1 real difference · 8 level

Siren versus OneAuto: the parameters behind the verdict, then further details
Parameter	Siren	OneAuto
Price	Free	Free
Rating	—	5.0 (7 ratings) — better
Number of ratings	—	7 — better
Update frequency	Every 9 months	Every 3 weeks — better
Ads	No	No
In-app purchases	No	No
Monetization	—	Free
Devices	iPhone, Apple Watch	iPhone, iPad, iPod — better
Requires iOS	16.0	15.1 — better
Further details — not scored
Size	1 MB	34 MB
Age rating	4+	4+
Developer	Apple	Cognovix LLC

In-app purchases

None

Siren

No in-app purchases

None

OneAuto

No in-app purchases

Questions

Is Siren free?

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

Is OneAuto free?

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

Do Siren or OneAuto have ads?

Neither Siren nor OneAuto shows ads.

Which is updated more often, Siren or OneAuto?

Siren ships an update every 9 months, and OneAuto every 3 weeks. Most recently, Siren was updated on September 20, 2026 and OneAuto on October 6, 2026.