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ZOLEO Satellite Communicator Review

This nearly perfect device provides comprehensive, polished, two-way satellite communications at a fair price
ZOLEO Satellite Communicator
Credit: BlueCosmo
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Price:  $200 List | $199.00 at Backcountry
Compare prices at 3 resellers
Pros:  Excellent network, seamless communication, some on-device functionality
Cons:  No on-device message viewing or composition, heavier than close competitors
Manufacturer:   ZOLEO
By Jediah Porter ⋅ Review Editor  ⋅  Mar 28, 2022
Our Editors independently research, test, and rate the best products. We only make money if you purchase a product through our links, and we never accept free products from manufacturers. Learn more
75
OVERALL
SCORE


RANKED
#3 of 9
  • SOS/Emergency Messaging - 30% 7.0
  • Non-Emergency Messaging - 25% 8.0
  • Signal Coverage - 20% 8.0
  • Ease of Use - 15% 7.0
  • Portability - 10% 7.0

Our Verdict

The ZOLEO is polished and effective. It isn't perfect, but it introduced an attribute that will raise the bar of other options. The construction feels solid, and the subscription options are clean and competitive. We especially like that conversations in the ZOLEO app are continuous across both satellite and cell/WiFi signal. We wish that more satellite communication devices and services offered this functionality. Our main gripe with the ZOLEO — and this is likely minor — is that one cannot view or compose custom messages on the device itself. All customized messaging is done through the app. In routine use, this is fine. However, if something were to happen to your smartphone, rudimentary on-device custom messaging would be nice to have.

Compare to Similar Products

 
Awards  Best Buy Award Best Buy Award Best Buy Award  
Price $199.00 at Backcountry
Compare at 3 sellers
$250 List
$249.95 at Amazon
$280 List$329.95 at REI
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Check Price at REI
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Star Rating
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Pros Excellent network, seamless communication, some on-device functionalityCompact, great network, on-device basic controlsSmall, affordable subscription options, proven satellite and dispatch networks, simpleReasonable initial purchase price, no paid subscription, uses proven global network, compactSimple, inexpensive, proven
Cons No on-device message viewing or composition, heavier than close competitorsNo on-device message viewing or composition, USB-C charging (could be a pro for some)Only supports SOS and tracking on the device itself, no custom messaging, occasional hardware issuesNo non-emergency messagingLimited functionality, limited coverage, not a huge upgrade from previous version
Bottom Line This nearly perfect device provides comprehensive, polished, two-way satellite communications at a fair priceA small, light, and full-function two-way messenger that competes closely with the top of the heapCompact, simple, two-way satellite communications using proven technology and relatively affordable subscription optionsThis device provides a compact and affordable “help me” button in your pocketThis lower-cost option is good for occasional, one-way communication or for tracking of very long single-push efforts where one needs documentation
Rating Categories ZOLEO Satellite Com... ACR Bivy Stick Somewear Global Hot... Ocean Signal rescue... SPOT Gen4
SOS/Emergency Messaging (30%)
7.0
7.0
7.0
9.0
7.0
Non-Emergency Messaging (25%)
8.0
8.0
6.0
1
3.0
Signal Coverage (20%)
8.0
8.0
8.0
9.0
6.0
Ease of Use (15%)
7.0
7.0
7.0
5.0
7.0
Portability (10%)
7.0
9.0
8.0
8.0
8.0
Specs ZOLEO Satellite Com... ACR Bivy Stick Somewear Global Hot... Ocean Signal rescue... SPOT Gen4
2-way Messaging? Yes Yes Yes No No
2-way Messaging Available via Cellular/Wifi? Yes No Yes No No
Custom Messaging Viewable and Composable on Device? No No No No No
Passive Tracking (turn on and forget about it - viewers at home can watch your progress on the web) No Yes Yes No Yes
Weight w/ Batteries 5.3 oz 3.6 oz 4.1 oz 4.0 oz 4.9 oz
Battery Life (hours) 200+ when checking messages every 12 minutes Up to 120 Up to 1000 messages 24 Up to 168 hours of tracking
Waterproof Rating IP68 (water resistant) IP67 IPX7 Up to 15 meters IP68 (water resistant)
Pairs with Smartphone? Yes Yes Yes No No
Satellite Network Iridium Iridium Iridium COSPAS/SARSAT Globalstar
Dispatch service GEOS Global Rescue GEOS COSPAS/SARSAT Focus Point International
Dimensions 3.5" x 2.6" x 1.0" 1.9" x .9" x 4.5" 3" x 3.6" x .8" 3.0" x 2.0" x 1.3" 3.5" x 2.7" x 0.9"
Cubic Inches (L x W x H) 9.1 7.7 8.6 6.8 8.5

Our Analysis and Test Results

The ZOLEO is a mature contender in the category of two-way satellite messengers with nearly everything we look for in a satellite messenger for wilderness travel. The only major feature it lacks is the ability for the user to view or compose customized messages from the device itself. All customized, two-way messaging must be conducted through the ZOLEO app. Otherwise, this device has messaging, satellite coverage, portability, and ease of use that tops the field.

Performance Comparison


ZOLEO Satellite Communicator personal locator beacon - let the zoleo's satellite communications enable far-ranging...
Let the Zoleo's satellite communications enable far-ranging wilderness travels while maintaining contact with home
Credit: Jediah Porter

SOS/Emergency Messaging


SOS Messages from the ZOLEO are sent from either the app or from the device itself. Provided your satellite coverage is adequate, that SOS message is transmitted via ZOLEO to GEOS Inc., a worldwide, private-sector emergency dispatch organization. GEOS notes your location and some basic identification information and then works to secure local emergency response. That local emergency response varies greatly depending on your location and many other factors. GEOS contracts to perform dispatch services for the users of most private-sector satellite messengers.

ZOLEO Satellite Communicator personal locator beacon - the on-device sos button of the zoleo product. you can also activate...
The on-device SOS button of the Zoleo product. You can also activate the SOS function from within the app.
Credit: Jediah Porter

Thankfully, we did not have to employ the SOS messaging attributes of the ZOLEO. We like that a help message can be sent either from the app or from the device alone. If your smartphone is damaged, out of battery, or missing, you can still request help in a dire situation. We also like that ZOLEO contracts with a proven, large-scale dispatch agency. Beyond the conclusions we can make based on our understanding of how this technology and service work, we cannot comment first-hand on the emergency messaging of the ZOLEO.

Non-Emergency Messaging


In some ways, the ZOLEO has the best possible non-emergency messaging on the market. You can use your familiar smartphone keyboard, and conversations are organized like any other modern messaging app. This is fairly consistent across the handful of two-way satellite messaging products on the market.

The ZOLEO sets itself apart with non-emergency messaging that is seamless across different connectivity types. You can have one text chain that works via satellite and via cell/WiFi. This is a welcome attribute for those traveling in and out of signal and isn't ubiquitous on the market currently. It seems like a relatively simple software change that may soon come to the services that don't currently do it.

You can also send a preset "I'm OK" message from the app or the ZOLEO device. This is similar to other products on the market. At the very least, with this attribute and a good understanding between you and your emergency contacts in civilization, you can still let people know that you are safe if you damage or lose your smartphone.

ZOLEO Satellite Communicator personal locator beacon - the only on-device control and feedback you get is from four lights...
The only on-device control and feedback you get is from four lights and three buttons (power, SOS and "check in"). Notably, there is no screen for viewing or composing custom messages. You must use the app for that.
Credit: Jediah Porter

Our one major wish is that the ZOLEO allowed viewing and composition of customized messages on the device itself. On a small device, this is going to be a cumbersome prospect, and typing in the smartphone app will always be easier. Nonetheless, in the scenario in which your smartphone is incapacitated, being able to make valuable and nuanced two-way correspondence is quite valuable.

ZOLEO Satellite Communicator personal locator beacon - a sampling of the user's screen views in the zoleo app. the app is...
A sampling of the user's screen views in the Zoleo app. The app is easy and clean. Newly added tracking (center frame) is a little tricky to find the first time. Also, you have to pay extra for tracking.
Credit: Jediah Porter

Signal Coverage


The ZOLEO uses the global and proven Iridium network for its satellite communications. Our test team has extensive experience with this communication network and can vouch for it. Of the choices for global, two-way communication, it is definitely the best we know of that is available to the private sector.

The Iridium network covers the entire earth but is subject to all the ubiquitous vagaries of satellite communications. All satellite communications require an unobstructed "line of sight" between the device and the satellite it is communicating with. Trees, buildings, and steep terrain can and do interfere. Iridium's "Low Earth Orbit" satellites move overhead, resulting in a signal that comes and goes with time. You might have a connection now and lose it in minutes. You might not see a signal right now, but it could appear in a little bit. In certain terrain (dense forest, inside buildings, deep and narrow canyons), you might never get any sort of satellite signal.

ZOLEO Satellite Communicator personal locator beacon - make sure your zoleo device has a clear "view" of the sky. we have...
Make sure your Zoleo device has a clear "view" of the sky. We have found that carrying it inside the top of the backpack is more than adequate; no need to clip or dangle it outside.
Credit: Jediah Porter

Ease of Use


The ZOLEO is slick and simple, and we had no problems setting it up and getting messages going. Starting conversations, whether from the ZOLEO sender or from any sender in civilization is simple and clean. If the correspondent in civilization equips themself with the free ZOLEO app, two people can correspond with even longer messages than if the civilization correspondent were using just an email address or phone number.

Our test team is well versed in the realities of satellite communications. Our commentary on the relative ease of use and signal coverage is calibrated against all satellite communications and is based on extensive and deep testing. You will find other online reviews of all sorts of satellite communication devices and services that indicate profound issues or differences in quality. These reviewers are likely less familiar with the realities of satellite communications. All satellite communications are pretty annoying and slow, regardless of the hardware or service. Satellite use of the ZOLEO does as well or better than most but will never replicate the ease of texting with a cell signal or WiFi.

ZOLEO Satellite Communicator personal locator beacon - a pair of screenshots from the recipient's zoleo app. in this case...
A pair of screenshots from the recipient's Zoleo app. In this case, a spouse is watching a backcountry skiing tester from home.
Credit: Jediah Porter

Portability


The ZOLEO device is almost as small and light as the smallest options on the market. It feels robust, and all the buttons are secure and weatherproofed. ZOLEO secured third-party endorsement of the weather resistance, and it passes to the "IP68" level. This means it is certified to be "water-resistant." This is all you should need. Don't submerge it deeply for hours, and you'll be good to go.

There are other, smaller options on the market, but not by much. That we are discerning between products that weigh 4 ounces and 5 ounces (the ZOLEO weighs 5.3 ounces on our calibrated scale) would have been unheard of a decade ago. Two-way, wilderness communication equipment that weighs less than your standard apple is something that we couldn't have imagined not that long ago. Sure, it could get smaller, but not by much. We are pleased with the portability of this device.

ZOLEO Satellite Communicator personal locator beacon - the zoleo device itself is robust and compact. it is a little...
The Zoleo device itself is robust and compact. It is a little heavier than the top competition, but not by any meaningful amount.
Credit: Jediah Porter

Value


Whether you look at just initial purchase price or full cost of ownership (including service), the ZOLEO is competitive with the average options and not that far off of the best values on the market. Direct cost comparisons are difficult because each company offers different types of service subscriptions and terms of service. We have crunched the numbers on various options with each product, noted those in a graphic in our main review, and can confidently say that the ZOLEO isn't the absolute best value, but for the performance, it is worth the cost.

ZOLEO Satellite Communicator personal locator beacon - zoleo's micro usb charging port.
Zoleo's micro USB charging port.
Credit: Jediah Porter

Conclusion


ZOLEO enters this product and service category with mature, well-developed, and nearly comprehensive functionality. No one product currently on the market does all that we know is possible, but the ZOLEO comes close. All it lacks is the ability to view and compose customized messages on the device itself, without your smartphone. If it had that, it would be alone at the top of the heap.

Jediah Porter
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