LINKA Smart Lock vs Crop Sentinel
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LINKA Smart Lock
Control your security devices with a tap. Unlock and lock bikes and other items without physical keys. Share access with friends and family, and receive tamper alerts on compatible devices.
- Keyless unlocking and locking
- Share access with others
- Tamper and movement alerts
- Compatible with multiple LINKA devices
- High-quality materials and smart technology
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The LINKA Smart Lock app is the key to all your security needs. With LINKA, you can unlock and lock your bike and other items with a single tap on your phone, no keys required. Compatible with all LINKA devices including: • Original LINKA • LEO 2 / LEO 2 Pro • Lasso • SmartMotion Key • Tethersense Chains Why use LINKA? • Security. LINKA devices combine the highest quality materials alongside innovative smart technology. • Ease of Use. With LINKA, you don't have to worry about losing your keys and you can even share your bike with friends or family. • Convenience. You can unlock and lock your bike with a single tap on your phone. • Peace of mind. You'll get alerts if your bike is tampered with or moved (LEO 2 Pro only). Order yours today at linkalock.com Disclaimer: Continued use of GPS running in the background can dramatically decrease battery life.
Crop Sentinel
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Professional boundary mapping app with GNSS support for agriculture and surveying applications
Screenshots
Verdict
The clearest difference is update cadence: Crop Sentinel at every 2 days against LINKA Smart Lock's every 5 weeks. 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.
LINKA Smart Lock ships an update every 5 weeks, Crop Sentinel every 2 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | LINKA Smart Lock | Crop Sentinel |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (30 ratings) — better | — |
| Positive reviews | 24.0% of reviews | — |
| Number of ratings | 30 — better | — |
| Update frequency | Every 5 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 128 MB | 52 MB |
| Age rating | 4+ | 4+ |
| Developer | LINKA | Burks Thomas |
In-app purchases
LINKA Smart Lock
No in-app purchases
Crop Sentinel
No in-app purchases
Questions
Is LINKA Smart Lock free?
Is Crop Sentinel free?
Do LINKA Smart Lock or Crop Sentinel have ads?
Which is updated more often, LINKA Smart Lock or Crop Sentinel?
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