随手弹幕 vs WaterTesting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
随手弹幕
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应用描述 (Description) 【随手弹幕 - 让你的文字闪耀全场】 全新升级！「随手弹幕」是一款拥有赛博朋克美学的 LED 滚动字幕应用。无论是演唱会应援、电竞比赛现场、机场接机，还是浪漫表白、摆摊叫卖，它都能让你的手机瞬间变身最吸睛的发光灯牌！ 核心功能： 炫酷特效： 内置雪花、烟花、流星、爱心、彩虹、火焰等 10+ 种动态粒子特效，支持全屏沉浸式展示。 赛博风格： 深度定制的霓虹 UI 设计，带来极致的视觉体验。 高度定制： 自由调节文字大小、滚动速度、字体颜色、背景颜色，支持多种精选艺术字体。 模板历史： 一键保存常用语，历史记录快速回放，好创意不丢失。 导出分享： 支持将弹幕导出为 GIF 或高清视频，分享到社交平台秀出你的创意。 纯净体验： 界面简洁无干扰，专注于信息传达。 PRO 会员特权： 解锁全部 10+ 款高级动态特效 移除所有广告 尊享未来更多高级通过能
WaterTesting
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水质检测工具，可检测pH等
Screenshots
Verdict
The clearest difference is in-app purchases: WaterTesting at none against 随手弹幕's 1. WaterTesting also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price 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
Both are free to download. 随手弹幕 sells 1 one-off in-app purchase. WaterTesting asks for nothing beyond the download.
随手弹幕 ships an update every 2 months, WaterTesting every 3 weeks. The most recent releases landed on September 5, 2026 and September 12, 2026 respectively.
| Parameter | 随手弹幕 | WaterTesting |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 52 MB | 16 MB |
| Age rating | 4+ | 17+ |
| Developer | xiangshang | Shanghai Ruosull Technology Co., Ltd |
In-app purchases
随手弹幕
- Pro (LifeTime)$1.99
WaterTesting
No in-app purchases
