ZSTL vs ICEProof
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ZSTL
This tool simplifies device access using QR codes and Bluetooth. It offers quick pairing and one-tap unlocking for various smart devices, ensuring a secure and efficient connection experience.
- QR code device recognition
- Quick Bluetooth pairing
- One-tap unlocking
- Supports various smart devices
- Secure encrypted connections
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This is a smart and convenient unlocking tool designed specifically for devices that support QR code and Bluetooth connectivity. With just a simple scan, users can quickly pair via Bluetooth and unlock the device — efficiently, securely, and effortlessly. Whether it's a shared bike, smart lock, or smart cabinet, we deliver a fast and stable connection experience tailored for your needs. Key Features: Automatically recognize devices by scanning QR codes Quick Bluetooth pairing without complicated setup One-tap unlock with lightning-fast response Supports various types of smart devices Secure encrypted connections to protect your data Download now and step into a smarter, more convenient lifestyle!
ICEProof
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Know your rights, keep your immigration documents and green card encrypted on your iPhone, and send a family alert when you need help. ICEProof is an immigration rights and document app: plain-language know-your-rights information, an encrypted vault for your immigration documents, and an emergency text alert with your location for the people you trust. YOUR IMMIGRATION DOCUMENTS, ALWAYS WITH YOU - Store your green card, work permit (EAD), passport, visa, I-94, I-797 notices, birth certificate, naturalization certificate, I-20 and DACA approval - Scan with your camera, including multi-page documents, with text recognition for expiry dates - Your documents, scans and recordings are encrypted on your phone with AES-256. The key is kept in this iPhone's Keychain and never leaves it. - Face ID, Touch ID and PIN lock, with auto-lock - Works offline: your documents stay on your phone, not on a server - Expiry reminders before a green card, visa or work permit needs renewing KNOW YOUR RIGHTS - Plain-language immigration rights for encounters at home, at work, in public and during traffic stops - A rights card you can show, readable in seconds - Key phrases in English and Spanish, such as "I am exercising my right to remain silent" - Phone numbers for national immigration legal-help hotlines - Works with no signal and no internet FAMILY ALERT TO TRUSTED CONTACTS - The alert writes a text message with your location to your trusted contacts; you press Send in Messages - Contacts do not need the app to receive the alert - Detained alert: press and hold, and after a 5-second countdown it prepares a text with your location for your contacts and starts a call to your saved attorney - Record Encounter: record audio from the alert screen - Quick Card keeps your most important documents together on the Documents tab FOR THE WHOLE FAMILY - Up to 6 family members on the Family plan - A separate, private document profile for each person LANGUAGES The app is in English, with a partial Spanish translation and partial translations into other languages. Some screens, including the alert screens, are English only. The know-your-rights cards are in English, so you can show them to an officer. PRIVACY Your documents are stored on your device, not on our servers. There is no cloud account and no advertising. Your documents and location leave your phone only when you choose to send them. Encrypted documents and recordings are not included in iCloud or computer backups and cannot be restored on a new phone, so keep your originals somewhere safe. SUBSCRIPTION Start with a 7-day free trial. Individual is $4.99 per month or $49.99 per year. Family is $9.99 per month or $99.99 per year and covers up to 6 people. Your subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your Apple Account settings. IMPORTANT ICEProof stores documents and helps you send alerts. It is not legal advice and does not replace a lawyer. For legal help, contact a qualified immigration attorney or accredited representative. ICEProof is an independent app and is not affiliated with any government agency. Privacy Policy: https://www.iceproof.app/privacy Terms of Use (EULA): https://www.iceproof.app/terms Support: https://www.iceproof.app/support
Screenshots
Verdict
The clearest difference is in-app purchases: ZSTL at none against ICEProof's 4. ZSTL also leads on iOS requirement (12.0 vs 15.1). On price, update cadence, ads 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. ICEProof sells 4 in-app purchases, starting at $4.99 per month. ZSTL asks for nothing beyond the download.
ZSTL ships an update every 2 months, ICEProof every 5 weeks. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.
| Parameter | ZSTL | ICEProof |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 44 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | 召 李 | Dave Oakley |
In-app purchases
ZSTL
No in-app purchases
ICEProof
- ICEProof Premium7 Days trial$4.991 Month
- ICEProof Family7 Days trial$9.991 Month
- ICEProof Premium Annual7 Days trial$49.991 Year
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- ICEProof Family Annual7 Days trial$99.991 Year









