Comparison

Marquee vs WaterTesting

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

Head to head
About

Marquee

Create a vibrant, eye-catching LED scrolling display on your phone. Customize text, effects, and colors for concerts, events, or personal messages. Save and export your creations easily.

Highlights
  • Customizable LED scrolling text
  • Multiple dynamic effects (snow, fireworks, etc.)
  • Adjustable text size, speed, and color
  • Scene presets for common use cases
  • Save and manage text creations
  • Export as image, long image, or GIF
Features
Read full description

Make your message shine with Marquee. Turn your iPhone or iPad into an LED-style sign for concerts, airport pickups, birthdays, shop signs or quiet conversations. • Give your words more room Choose a text size up to 320, available to everyone. At 0x speed, new banners automatically size their text to the available canvas. Banners saved in earlier versions keep their previous sizing behavior until you choose a text size. • Adapt to a larger screen On Duo and wider screens, horizontal banners follow the canvas shape. Style and Settings move to a side panel when there is enough space, and the library adjusts its columns. Editing controls and saved banner titles support larger system text sizes. • Start with a scene Preview eight ready-to-use scenes and apply the one that fits your moment. Four scenes are free; animated premium scenes require PRO. • Make it yours Adjust direction, speed, text size, font, colors and effects. Tap the canvas to hide or show the controls. • Save your favorites Keep text, styles and effects together. Rename, favorite, update or duplicate saved banners. The free version saves up to three banners; PRO removes the limit. Your text history stays available. • Share a picture or GIF Export the current frame, a full-text image, or a complete scrolling loop as a GIF. Full-text images include text and background. Free exports include a watermark. • Lifetime PRO One purchase unlocks unlimited saved banners, premium scenes, fonts, themes and effects, watermark-free exports and an ad-free experience. No recurring subscription. Existing lifetime PRO users keep their access. Available in English, Simplified Chinese and Traditional Chinese. Choose a language in Settings or follow your device language. Your own text and saved banners stay as written. No app account is required.

About

WaterTesting

Features
Read full description

水质检测工具,可检测pH等

Screenshots

Marquee4 screens
WaterTesting3 screens

Verdict

The call

The clearest difference is in-app purchases: WaterTesting at none against Marquee's 1. WaterTesting also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.6). On price, update cadence 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. Marquee sells 1 one-off in-app purchase. WaterTesting asks for nothing beyond the download.

UpkeepUpdate frequency

Marquee ships an update every 10 days, WaterTesting every 3 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 6 level
Marquee versus WaterTesting: the parameters behind the verdict, then further details
ParameterMarqueeWaterTesting
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.614.0 — better
Further details — not scored
Size51 MB16 MB
Age rating4+17+
DeveloperxiangshangShanghai Ruosull Technology Co., Ltd

In-app purchases

1 purchases

Marquee

One-time1
  • Lifetime PRO$2.99
None

WaterTesting

No in-app purchases

Questions

Is Marquee free?
Marquee is free to download, with in-app purchases available.
Is WaterTesting free?
WaterTesting is free to download, with no in-app purchases.
Do Marquee or WaterTesting have ads?
Marquee shows ads; WaterTesting does not.
Which is updated more often, Marquee or WaterTesting?
Marquee ships an update every 10 days, and WaterTesting every 3 weeks. Most recently, Marquee was updated on October 25, 2026 and WaterTesting on October 24, 2026.

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