Comparison

Sirens and Horns + vs Lemo

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

Lemo

Read full description

Lemo – Bring Your Photos to Life Photos capture what a moment looked like. Lemo shows you what it felt like. With Lemo, your printed photos become more than just pictures — they become living memories. Scan a supported photo with your phone and instantly watch the real video from that exact moment. Hear the sounds, see the movement, and relive the feeling like you’re right there again. Whether it’s your wedding day, a birthday party, a family trip, or an ordinary afternoon with the people you love — Lemo helps you bring those memories back in a way a still image never could. How it works: • Open Lemo and point your phone at a supported photo • Watch the matching video appear instantly • Hear the original audio — laughter, music, vows, and more • Save and share your favorite moments easily There are no QR codes and no complicated setup. Just scan and experience the moment all over again. Relive the moments that matter most: • Wedding photo magnets that show your vows and first dance • Family photos that reveal laughter and behind-the-scenes fun • Travel prints that bring back the sounds and energy of a trip • Candid snapshots that capture what a camera alone can’t Why people use Lemo: • It’s simple, fast, and intuitive • Brings photo collections to life — fridge magnets, albums, framed prints • Lets you share memories with friends and family in a more meaningful way • Works offline once your videos are downloaded • Adds a new layer of emotion to your favorite photos Your memories aren’t still — they’re alive. Lemo is for anyone who wants to experience moments, not just remember them. Whether it’s six months or six years later, scanning a photo with Lemo brings back the sounds, the movement, and the feeling that made it special. Download Lemo today and see your memories in motion.

Screenshots

Sirens and Horns +3 screens
Lemo4 screens

Verdict

The call

The clearest difference is ads: Lemo at none against Sirens and Horns +'s shown. Lemo also leads on update cadence (monthly vs every 18 months). Sirens and Horns +'s advantage is iOS requirement (12.0 vs 15.0). On price, 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

Sirens and Horns + ships an update every 18 months, Lemo monthly. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

Scorecard3 real differences · 7 level
Sirens and Horns + versus Lemo: the parameters behind the verdict, then further details
ParameterSirens and Horns +Lemo
PriceFreeFree
Rating4.4 (76 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings76 — better—
Update frequencyEvery 18 monthsMonthly — better
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size27 MB194 MB
Age rating12+4+
DeveloperJason TorresEden Laor

In-app purchases

None

Sirens and Horns +

No in-app purchases

None

Lemo

No in-app purchases

Questions

Is Sirens and Horns + free?
Sirens and Horns + is free to download, with no in-app purchases.
Is Lemo free?
Lemo is free to download, with no in-app purchases.
Do Sirens and Horns + or Lemo have ads?
Sirens and Horns + shows ads; Lemo does not.
Which is updated more often, Sirens and Horns + or Lemo?
Sirens and Horns + ships an update every 18 months, and Lemo monthly. Most recently, Sirens and Horns + was updated on October 23, 2026 and Lemo on October 12, 2026.

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