Signal Advisor vs CastLink
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Signal Advisor
This utility helps users install cell phone signal boosters by testing signal strength, identifying base station direction, and connecting to boosters for adjustment and monitoring. It offers guidance and support to ensure optimal signal performance for homes and offices.
- Test signal strength and frequency band
- Find base station direction
- Connect to booster via Bluetooth
- Adjust booster gain
- Monitor booster operating status
- Installation video guides
- Live chat support
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This is an application for professionally installing cell phone signal boosters, it can help you test your carrier's signal strength and frequency band, and help find the direction of the base station so that you can choose the right mobile phone signal booster; it can also connect to your booster to adjust the gain of the booster and monitor the operating status of the device;It supports the world's popular network systems of various operators; even non-professionals can quickly get started through the APP, and easily achieve stable signal and better coverage. It is a convenient auxiliary tool for your home and office! Basic functions: - It can test the external signal strength, network type, frequency band and find the direction of your local operator's base station to help you choose the correct booster and antennas - Installation videos are provided to guide you to install the booster more easily - Live chat service to help you resolve issues faster - Free join the affiliate program to earn commission - Register as a member and have a chance to get gifts Advanced function： - Connect to your booster via Bluetooth to monitor the booster's operation - Adjust the gain manually via APP to make the booster work best performance - Real-time display of signal strength and output power
CastLink
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一键搜索并连接投屏设备 支持全屏 / 多档分屏、镜像翻转等显示模式 点击「开始推流」即可稳定推送画面，操作简单高效
Screenshots
Verdict
The clearest difference is update cadence: CastLink at every 4 days against Signal Advisor's every 3 months. Signal Advisor's advantage is iOS requirement (12.0 vs 15.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Signal Advisor ships an update every 3 months, CastLink every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Signal Advisor | CastLink |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (15 ratings) — better | — |
| Positive reviews | 11.1% of reviews | — |
| Number of ratings | 15 — better | — |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 2 MB |
| Age rating | 4+ | 17+ |
| Developer | 广伟 张 | Shenzhen GaoshiGo Technology Co., Ltd. |
In-app purchases
Signal Advisor
No in-app purchases
CastLink
No in-app purchases
Questions
Is Signal Advisor free?
Is CastLink free?
Do Signal Advisor or CastLink have ads?
Which is updated more often, Signal Advisor or CastLink?
Other comparisons
