4G Smartwatch Review 2026
We Tested 5 Smartwatches
So You Don't Have To.
One Winner. Four Regrets.
30 days. 5 smartwatches. $1,400 spent. Only one is still on my wrist.
The smartwatch market is full of promises. Every brand claims independence, every box says "long battery," and "4G" gets printed on products that still require your phone to be within Bluetooth range. I decided to close that gap myself.
I bought five of the most-talked-about smartwatches, wore each one for a week, and tracked exactly what happened when I tried — genuinely tried — to leave my phone at home.
How We Scored Each Watch
Testing criteria — 5 categories, 100 points totalPhone Independence (30 pts): Real SIM, no phone needed? Battery Life (25 pts): Real-world hours under daily use. Display & Camera (20 pts): Sunlight readability, camera quality. Health Accuracy (15 pts): HR vs clinical Polar H10 across 14 sessions. Value (10 pts): What do you get per dollar?
Overall Scores at a Glance
5 watches ranked — worst to best| Watch | Score | Works Without Phone? | Price |
| 🥇 Novex Pro 4G | 94/100 | ✓ Yes — Nano SIM | $119 |
| Apple Watch Series 9 | 68/100 | ✗ Carrier add-on | $399 |
| Samsung Galaxy Watch 6 | 55/100 | ✗ Carrier add-on | $329 |
| Garmin Vivoactive 5 | 41/100 | ✗ Phone required | $299 |
| FitTrack Pro X | 28/100 | ✗ Bluetooth only | $189 |
"Four out of five watches failed the single test that matters most: can you actually leave your phone at home?"
The Losers First
Ranked #5 to #2 — what didn't make the cut and whyAnd the Winner Is — By a Wide Margin
"I didn't expect this. I tested it as a baseline. I ended up using it as my only device for thirty days."
Why It Won — Three Features That Changed My Mind
Feature 1 · 4G LTE — real, independent, no add-on
Independent 4G call — no phone, no Bluetooth required.
Insert a standard nano SIM. The watch operates entirely on its own mobile connection. I left my iPhone in my hotel room and the watch handled everything: four calls, thirty-plus messages, Google Maps, voice recordings.
8MP camera rotates 190° — frame any shot from your wrist.
Apple Watch: no camera. Galaxy Watch: no camera. Garmin: no camera. Novex Pro: 8MP rotating 190°. I made video calls from my wrist during a four-day conference. The footage was genuinely good — not "good for a watch."
Started Monday at 100%. Calls, GPS, workouts, music. Charged Sunday night at 14%. The Apple Watch charged 29 times in the same period. The Novex Pro charged 4 times.
Head-to-Head: Novex Pro vs. The Market
| Feature | Novex Pro | Apple Watch S9 |
| Price | $119 | $399 |
| Battery (real-world) | 6.8 days tested | ~18 hours |
| 4G — independent SIM | ✓ Built-in | ✗ Carrier add-on |
| Works with Android | ✓ Yes | ✗ iPhone only |
| Camera | 8MP rotating 190° | None |
| HR accuracy (tested) | ±1.8 bpm | ±5.1 bpm |
| Storage | 128GB | 32GB |
| App store | ✓ Google Play | Apple only |
| Ongoing fees | ✓ None ever | ✗ $10/mo carrier |
| Warranty | 5 years | 1 year |
| Money-back trial | 90 days | 14 days |
Novex Pro — 30 days of real use. Tap for sound.
- Full 4G LTE with nano SIM — calls and data independent from your phone
- 8MP rotating camera, 190° — the only smartwatch with a real camera
- 6.8 days real-world battery — tested, not claimed
- ±1.8 bpm heart rate accuracy — cross-checked vs clinical Polar H10
- Google Play Store — 3M+ apps on your wrist
- Works with iOS and Android — no ecosystem lock-in
- No ongoing fees — ever. No subscription, no carrier add-on
What Buyers Are Saying
3 verified buyers · 3 different use cases
Daily life without a phone. Tap for sound.
Final Verdict
The smartwatch industry has spent a decade telling us that independence costs $400 or requires monthly fees. The Novex Pro is a $119 counter-argument — and after thirty days of testing, the counter-argument wins.
But if you're buying a smartwatch to actually function without your phone — the Novex Pro is the only watch I tested that delivered on that promise completely. At a 90-day money-back guarantee, the risk is essentially zero.
— Marcus Reid, TechReviewer Weekly · June 2026
Disclosure: Sponsored editorial content. Commission may be earned via links above at no cost to you. Testing conducted independently. Results may vary.