Comparison

goTenna Pro vs Bob Environmental

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

goTenna Pro

This app enables mission-critical, off-grid communications by pairing with specialized radio devices. It allows users to send text messages, share locations, and mark maps without relying on cellular or Wi-Fi networks. It also supports interoperability with other tactical systems.

Highlights
  • Off-grid text messaging
  • Real-time location sharing
  • Customizable map markings
  • Route and geofencing tools
  • Interoperability with ATAK
  • Offline map import
Features
Read full description

The goTenna Pro app is a tactical situational awareness application that pairs with goTenna Pro and goTenna Pro X2 mesh networking radio devices to enable mission-critical communications completely independent of traditional cell, Wi-Fi, or satellite connectivity. Users can download the goTenna Pro app to any iOS device, pair with a goTenna Pro or goTenna Pro X2 tactical radio, and then use the mobile device to communicate critical information like near real-time locations, share map markings, and send text messages while 100% off-grid. The app supports full interoperability with ATAK and the goTenna Android goTenna Pro app for seamless cross-platform mission coordination. goTenna Pro tactical radios have a 5W, tunable UHF/VHF output that can transmit critical data from your iOS device and also automatically act as relays that securely and anonymously “hop” messages across up to 6 devices to extend range. Key Features - Send & receive text-based messages - Automatic blue force tracking - Customizable map markers for emergencies, dangers, and objectives - Routes, perimeters, geofencing, and shape drawing tools - Individual & group messaging - Broadcasts to anyone within range on your network - Interoperability with iOS/Android goTenna Pro apps, ATAK plugin v2.2.50, and iTAK v2.10.1 - Ability to import offline maps (.sqlite files) to display custom maps on the field - Send/receive standard 2525B tactical markers

About

Bob Environmental

Features
Read full description

Bob is the app that turns your Apple Watch and your iPhone into a smart sensor and you into a scientist. Smartwatches have 6 of the same sensors that scientists use to study the ocean and the earth. Take, save, and share environmental data with anyone, anywhere, anytime. ~~~ Data collection simplified. ~~~ Tap a button to start logging data. Done logging? Tap again. ~~~ Geotagging? ~~~ L1 and L5 GPS, GLONASS, Galileo, QZSS, and BeiDou works seamlessly with local Wi-Fi and Bluetooth networks to provide location and altitude at accuracies up to 10 meters. ~~~ Moving three-dimensionally through space? ~~~ The accelerometer, gyroscope, and compass tracks watch motion. ~~~ Air pressure? ~~~ There's a barometer for that. ~~~ Are you in water? ~~~ Apple Watch Ultra, Series 11 or Series 10 also measure water temperature and depth to 0.1 C and 0.05 meters. ~~~ Set it and forget it! ~~~ Automatic water lock for uninterrupted data collection. ~~~ The more the merrier!~~~ Record data on your watch and your phone at the same time. ~~~ Automatic archiving ~~~ Tap stop and your data is automatically saved to iCloud. ~~~ Explore your data. ~~~ The watch logbook has a quick summary. For more details, graphically explore your data on the phone app. ~~~ Share like a text or photo. ~~~ Instead of sending a cat pic to Nana and PopPop, send them your latest data. Converted internally to a human and machine readable JSON, they will also be impressed by the comprehensive metadata. ~~~ Hit us with your feedback ~~~ If you find a bug or have an idea for a cool feature, reach out by emailing lifesaver@tiniscientific.com _______________________\\ Tini Scientific is on a mission to provide ocean data to anyone, anywhere, anytime. Armed decades of expertise in oceanography, technology, and pop culture, Tini is revolutionizing ocean observations by developing a truly scalable network that returns timely, relevant, and usable ocean data.

Screenshots

goTenna Pro1 screens
Bob Environmental4 screens

Verdict

The call

The clearest difference is price: goTenna Pro at Free against Bob Environmental's $0.99. goTenna Pro also leads on iOS requirement (15 vs 17.0). On update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

goTenna Pro is free to download; Bob Environmental costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

goTenna Pro ships an update monthly, Bob Environmental every 2 weeks. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 8 level
goTenna Pro versus Bob Environmental: the parameters behind the verdict, then further details
ParametergoTenna ProBob Environmental
PriceFree — better$0.99
Rating3.0 (24 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings24 — better—
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS15 — better17.0
Further details — not scored
Size72 MB3 MB
Age rating17+4+
DevelopergoTenna Inc.Kim Martini

In-app purchases

None

goTenna Pro

No in-app purchases

None

Bob Environmental

No in-app purchases

Questions

Is goTenna Pro free?
goTenna Pro is free to download, with no in-app purchases.
Is Bob Environmental free?
Bob Environmental costs $0.99, with no in-app purchases.
Do goTenna Pro or Bob Environmental have ads?
Neither goTenna Pro nor Bob Environmental shows ads.
Which is updated more often, goTenna Pro or Bob Environmental?
goTenna Pro ships an update monthly, and Bob Environmental every 2 weeks. Most recently, goTenna Pro was updated on October 5, 2026 and Bob Environmental on October 2, 2026.

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