Dollar vs 保号：手机号码停机提醒
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Dollar
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一款简洁灵便的汇率查看工具
保号：手机号码停机提醒
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「保号」帮长期在境外、或持有多张境外 SIM 的你，盯住每一张号码的「停机倒计时」，在到期前提醒你去发短信、打电话或充值续期，避免号码被回收。 • 一览所有号码：国家、运营商、剩余天数、生命条状态一目了然 • 停机倒计时：按运营商周期自动计算，临近/紧急用颜色区分 • 到期提醒：可设提前 14 天 / 3 天 / 当天，本地通知不打扰 • 记录保号：一键记录发短信/打电话/充值，倒计时自动重置 • 桌面小组件：最紧急的号码直接显示在主屏 • 号码脱敏：列表默认隐藏中段，保护隐私 • 多语言：中 / 英 / 日 随时切换 • 纯本地 + iCloud 私有同步：数据只存你的设备和你自己的 iCloud，不经任何服务器 适合：留学生、海外华人、跨境工作者、数字游民，以及任何需要长期保住境外号码的人。
Screenshots
Verdict
The clearest difference is price: 保号：手机号码停机提醒 at Free against Dollar's $0.99. On update cadence, ads, 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
保号：手机号码停机提醒 is free to download; Dollar costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.
| Parameter | Dollar | 保号：手机号码停机提醒 |
|---|---|---|
| Price | $0.99 | Free — better |
| Update frequency | Every 4 days | Every 4 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 辉 周 | 铭 罗 |
In-app purchases
Dollar
No in-app purchases
保号：手机号码停机提醒
No in-app purchases
