Comparison

Sirens and Horns + vs Roaring

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

Head to head
About

Sirens and Horns +

Access a collection of loud, fun sound effects like sirens and horns. Use these sounds for pranks, to annoy friends, or set them as custom ringtones, notifications, or alarms. The app offers high-quality audio and is easy to navigate.

Highlights
  • Loud sound effects
  • Prank sounds
  • Custom ringtones
  • Notification sounds
  • Alarm sounds
  • High quality audio
Features
Read full description

Sirens and Horns features free fun loud sound effects at the press of a button. Annoy your friends or play pranks with these loud siren sounds. Sirens and horns includes emergency sounds, police sirens, burglar alarms, ship horns, truck horns and more. Sounds can be saved as a ringtone, notification or alarm sound or to a person calling. - high quality loud sounds - easy to use - updated

About

Roaring

Features
Read full description

Turn movement into sound. Roaring transforms your iPhone into a motion-powered sound instrument and acoustic motion feedback tool. Your movements become sound in real time, creating a new way to play, experiment, and make movement noticeable through sound. MOVE. HEAR. CREATE. Roaring uses your iPhone’s motion sensors to turn movement into responsive sound. Tilt it, rotate it, carry it, dance with it, or attach it to something that moves—and hear that movement come alive. CREATE WITH MOVEMENT Explore movement as a new way to make and shape sound. Turn gestures, dancing, walking, cycling, physical objects, and everyday motion into unique acoustic experiences. MAKE MOVEMENT AUDIBLE Movement can become an audible signal. Use Roaring to make motion noticeable through sound and explore acoustic feedback for different movements, objects, activities, and situations. ONE PHONE. ENDLESS MOVEMENT. • Turn iPhone motion into sound in real time • Explore expressive, motion-reactive audio • Make movement noticeable through acoustic feedback • Experiment with gestures, activities, objects, and environments • Discover new relationships between movement and sound • Create unusual videos and motion-driven sound experiences • Play, explore, and invent your own uses Roaring is part instrument, part experiment, and part acoustic motion feedback tool. Movement is everywhere. Now you can hear it.

Screenshots

Sirens and Horns +3 screens
Roaring3 screens

Verdict

The call

The clearest difference is price: Sirens and Horns + at Free against Roaring's $1.99. Sirens and Horns + also leads on update cadence (every 18 months vs every 38 months) and iOS requirement (12.0 vs 15.6). Roaring's advantage is ads (none vs shown). On 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

Sirens and Horns + is free to download; Roaring costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Sirens and Horns + ships an update every 18 months, Roaring every 38 months. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
Sirens and Horns + versus Roaring: the parameters behind the verdict, then further details
ParameterSirens and Horns +Roaring
PriceFree — better$1.99
Rating4.4 (76 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings76 — better—
Update frequencyEvery 18 months — betterEvery 38 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.6
Further details — not scored
Size27 MB305 MB
Age rating12+4+
DeveloperJason TorresLet's Build

In-app purchases

None

Sirens and Horns +

No in-app purchases

None

Roaring

No in-app purchases

Questions

Is Sirens and Horns + free?
Sirens and Horns + is free to download, with no in-app purchases.
Is Roaring free?
Roaring costs $1.99, with no in-app purchases.
Do Sirens and Horns + or Roaring have ads?
Sirens and Horns + shows ads; Roaring does not.
Which is updated more often, Sirens and Horns + or Roaring?
Sirens and Horns + ships an update every 18 months, and Roaring every 38 months. Most recently, Sirens and Horns + was updated on October 23, 2026 and Roaring on October 6, 2026.

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