Best Phone Security vs Karler Robots
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Best Phone Security
This app triggers an alarm when your device is touched or moved, deterring unauthorized access. It offers a PIN code for unlocking and a security alarm to notify you of any tampering. Ideal for protecting your device in public or from prying eyes.
- PIN code unlock
- Security alarm notification
- Motion-triggered alarm
- Deterrent against unauthorized access
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------------------------------------------------------ Don't wait! Protect Your iPhone/iPad Now! ------------------------------------------------------ Use alarm on your iPhone/ipod/ipad when in public or also to catch those sneaky friends and family who try to peek into your iPhone when you're away. What really happens when you're in the shower, sleeping, or just away from your device. Use this high quality app to trigger an alarm. Best part is if your friends or family know you have an advanced alarm they will never dare to touch the phone. They will be frightened to touch it a second time and so its an excellent deterrent. FEATURES: - Pin Code to unlock your iPhone & iPad - Security Alarm To Notify You - Alarm Triggered Thru Motion
Karler Robots
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Karler Robots是面向商场、工业园区、物流中心、交通枢纽及大型公共设施的专业级清洁机器人管理应用。通过统一调度、实时监控与智能分析，助力运维团队高效完成室内外大面积清洁任务，显著降低人力成本，提升清洁标准化水平。
Screenshots
Verdict
The clearest difference is in-app purchases: Karler Robots at none against Best Phone Security's 1. Karler Robots also leads on ads (none vs shown) and update cadence (monthly vs every 3 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. Best Phone Security sells 1 one-off in-app purchase. Karler Robots asks for nothing beyond the download.
Best Phone Security ships an update every 3 months, Karler Robots monthly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.
| Parameter | Best Phone Security | Karler Robots |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (3K ratings) — better | — |
| Positive reviews | 68.6% of reviews | — |
| Number of ratings | 3K — better | — |
| Update frequency | Every 3 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 59 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | RV AppStudios LLC | Shanghai Hengya Industry Co., Ltd |
Bugs and requests
Best Phone Security
Reported bugs
3 issues- Alarm doesn't always trigger
- Doesn't work as expected when phone is locked
- Crashes frequently
Requested features
4 requests- Take photo of intruder
- Send alert notifications
- Louder alarm
- Ability to lock app with passcode
Karler Robots
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Best Phone Security
- Unlock New Features$4.99
Karler Robots
No in-app purchases
Questions
Is Best Phone Security free?
Is Karler Robots free?
Do Best Phone Security or Karler Robots have ads?
Which is updated more often, Best Phone Security or Karler Robots?
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