Barrage vs EMUT
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Barrage
Create custom LED marquee signs for various situations. Display scrolling text with cool fonts and bright colors to get attention at concerts, find people at busy locations, or communicate messages discreetly.
- Customizable LED marquee signs
- Scrolling text display
- Cool fonts and bright colors
- Concert and event support
- Airport and station pick-up aid
- Meeting and communication tool
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【Concert Support】Stuck in the back row? Turn on LED scroll text for your idol—cool fonts & bright colors make you stand out more than lightsticks! 【Airport Pick-up】Crowded airports/stations? Type "Picking up XX"—the rolling text is clear, no more tiptoeing to find each other! 【Bus Seat Reminder】Too shy to ask for a seat? Type "Need a seat, please let me know"—the LED text passes kindness gently, no awkwardness! 【Meeting Communication】Need to pass info quickly? No more notes or whispers—show the text directly, efficient and polite!
EMUT
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The mobile app can obtain the thickness of the measured object in real time by connecting to the hotspot and the electromagnetic ultrasonic thickness gauge.
Screenshots
Verdict
The clearest difference is price: EMUT at Free against Barrage's $1.99. EMUT also leads on device support (3 vs 1) and iOS requirement (15 vs 17.6). On update cadence, ads and in-app purchases 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
EMUT is free to download; Barrage costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Barrage ships an update every 3 months, EMUT every 2 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | Barrage | EMUT |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (27 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPod, Mac — better |
| Requires iOS | 17.6 | 15 — better |
| Further details — not scored | ||
| Size | 48 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | 欣明 封 | Hangzhou Metrelink Technology Co., Ltd |
In-app purchases
Barrage
No in-app purchases
EMUT
No in-app purchases









