Best push-to-talk apps for crane crews for tower crane operators in 2026

Push-to-talk apps for tower crane operators compared: OperatorLink, Zello, Voxer, GroupTalk, Peak PTT, VoicePing and Teams Walkie Talkie.

By 2Dig · 2026-10-12

2Dig is published by the makers of OperatorLink, which is compared here alongside other tools.

OperatorLink runs in a phone browser and shows STOP, HOLD and SLOW signals to the crew ^[1]. Zello Work costs $8.00 per user per month, or $6.80 with an annual subscription ^[2]. Voxer offers a free personal plan ^[3]. GroupTalk provides a free 14-day trial and unlimited range push-to-talk ^[4]^[5]. Peak PTT costs $229 plus $19.95 activation, then $24.95 per month per radio ^[6]. VoicePing Standard plan costs $2 per user per month billed annually ^[7]. Microsoft Teams Walkie Talkie is a feature of Microsoft Teams.

Option	Up-front cost	Monthly cost	Device and join
OperatorLink	Free, no paid plan built yet ^[1]	Free ^[1]	Phone browser, no app install; crew joins from a shared link or QR code ^[1]^[1]
Zello	Free 14-day trial, no credit card required ^[2]	From $8.00 per user per month, $6.80 with annual subscription ^[2]	Runs on iOS, Android, Windows, and Mac ^[8]
Voxer	Personal plan free; 14-day business trial ^[3]^[9]	Not published	Not published
GroupTalk	Free 14-day trial ^[4]	Not published	Private cloud or on-premises deployment ^[4]
Peak PTT	$229 per radio plus $19.95 activation fee ^[6]	$24.95 per month per radio for unlimited nationwide push-to-talk ^[10]	LTE radio hardware transmitting over AT&T's nationwide LTE network ^[6]
VoicePing	Not published	Standard $2 per user per month billed annually ^[7]	Android, iOS, and desktop ^[11]
Microsoft Teams Walkie Talkie	Not published	Not published	Not published

What tower crane operators need from push-to-talk apps for crane crews

A tower crane operator controls lifts from a high cab and often cannot see the load or the ground crew. The signal person on the ground gives direction for moves that are out of sight. The rigger attaches and guides loads while staying close to the moving load. Both keep gloves on and eyes on the load, so the tool must have large buttons and clear alerts. A missed call can stop a lift mid-swing, so the tool must carry direction signals that stay visible until every crew member registers them. Voice is needed for check-ins, but direction signals must remain on screen rather than disappear with the next sentence. Operators should compare how each tool passes a signal, how long a signal stays up, who can join, what each person must do to start, and whether the tool reaches the parts of the site where the crew works.

OperatorLink for tower crane operators

OperatorLink is made by the team that publishes this site. It runs in a phone browser, so no app install is needed. ^[1] It shows STOP, HOLD and SLOW to the jobsite crew and passes button presses, chat and voice between phones in a browser. ^[1] STOP releases every held direction on every phone and shows a full-screen alert. ^[1] HOLD and SLOW stay on for everyone and clear when the last person leaves. ^[1] A one-tap radio-style call such as Go Ahead is sent as a chat message. ^[1] Anyone who joins can take part in a voice call run from the browser. ^[1] The crew joins from a shared link or QR code. ^[1] A jobsite link stops working 12 hours after the first person joins. ^[1] OperatorLink is currently free to use, and no paid plan is built yet. ^[1]

Zello for tower crane operators

Zello offers a free 14-day trial with no credit card required. ^[2] Zello Work costs $8.00 per user per month, or $6.80 with an annual subscription. ^[2] Zello offers its product free for first responders. ^[8] Subscriptions can be changed or cancelled any time without penalty. ^[2] Beyond those points, ask Zello directly what devices it supports.

Voxer for tower crane operators

Voxer Personal plan is free. ^[3] Voxer offers a 14-day free trial for business. ^[9] Voxer integrates with Procore contacts to create groups. ^[12] Beyond those points the facts say little more, so a crane crew should ask Voxer directly what devices it supports and what its paid plans cost per user.

GroupTalk for tower crane operators

GroupTalk offers a free 14-day trial. ^[4] GroupTalk's push-to-talk and personal alarm functionality enables secure, real-time communication across all personnel and workgroups. ^[5] GroupTalk's cloud-based PTT system offers unlimited range. ^[5] Personal alarms report incidents immediately to nearby colleagues and central management. ^[5] The tool also integrates live location tracking, alarms, and group communication for construction sites. ^[5]

Peak PTT for tower crane operators

Peak PTT is push-to-talk radio hardware rather than a phone app. The PTT-84G is priced at $229, with a $19.95 activation fee and $24.95 per month for unlimited push-to-talk, with no contracts. ^[6] The radios include access to a GPS Tracking Portal with 90-day location history, geofencing, and real-time crew visibility. ^[6] Both radios are backed by a lifetime hardware warranty with an active service plan. ^[6] Peak PTT describes itself as having sub-300-millisecond latency, no dead zones, no repeaters, and no FCC licensing. ^[6]

VoicePing for tower crane operators

The VoicePing Standard plan costs $2 per user per month, billed annually. ^[7] The VoicePing Plus plan costs $4 per user per month, billed annually. ^[7] VoicePing offers a paging feature that makes the recipient's phone keep beeping and vibrating until they reply. ^[11] VoicePing offers location tracking so administrators can view staff's live location or movement history. ^[11] VoicePing says it has 99% outdoor service coverage over 2G, 3G, 4G and WiFi networks. ^[11]

Microsoft Teams Walkie Talkie for tower crane operators

Microsoft Teams Walkie Talkie is a feature within Microsoft Teams. No pricing or device details are published for this tool, so a crane crew should ask Microsoft what platforms it supports and what it costs per user.

Matching the tool to the job

When a direction must stay on every screen until each crew member registers it, OperatorLink keeps HOLD and SLOW on for everyone until the last person leaves, and STOP releases every held direction with a full-screen alert. ^[1]^[1] A rigger who needs quick one-tap replies can use OperatorLink's radio-style quick calls. ^[1] For crews that need personal alarms for lone workers, GroupTalk's personal alarm reports incidents immediately to nearby colleagues and central management. ^[5]^[5] Voice check-ins between lifts suit Zello, whose Work plan is priced per user. ^[2] Large sites benefit from GroupTalk's unlimited range. ^[5] A crew that already carries radios can use Peak PTT's bundled GPS tracking and flat monthly rate. ^[10] Short jobs can start quickly with OperatorLink's link or QR code that stops working after 12 hours. ^[1]^[1]

Questions to ask before you choose

Does the tool keep a direction visible until every crew member confirms it, or does it clear as soon as the finger lifts? Can a crew member join from a simple link or QR code, or must an administrator create accounts and groups first? What happens if a phone loses signal for a few seconds: does the direction drop or stay latched? Which devices does the tool run on, and are they the same phones the crew already carries? Is coverage sufficient for the parts of the site where the crew works, or are there dead spots? Who pays for the service, and is the price per user, per radio, or per month, and are there discounts for annual plans? How long does a free trial run, and what must be shared to start one? If a lone rigger needs an alarm, does the tool have one, and who does it reach? Can the tool run more than one group at once so the signal crew and the rigging crew do not talk over each other?

Frequently asked questions

Do push-to-talk apps work for crane signals on a phone?

A push-to-talk tool carries voice, and some also pass direction signals. OperatorLink shows STOP, HOLD and SLOW in a phone browser and keeps HOLD and SLOW on until the last person leaves, while STOP releases every held direction with a full-screen alert. ^[1]^[1]^[1] Ask each provider how far its tools reach on the site before relying on one.

Is there a free push-to-talk app for a crane crew?

Yes. OperatorLink is currently free to use, and no paid plan is built yet. ^[1] Zello offers its product free for first responders. ^[8] Voxer Personal plan is free. ^[3] GroupTalk offers a free 14-day trial. ^[4] Compare how long a signal stays visible before relying on any free option.

What does push-to-talk cost per month?

Zello Work costs $8.00 per user per month, or $6.80 with an annual subscription. ^[2] Peak PTT charges $24.95 per month per radio for unlimited nationwide push-to-talk, on top of a $229 per-radio price and a $19.95 activation fee. ^[10]^[6] VoicePing Standard plan costs $2 per user per month billed annually. ^[7] OperatorLink is currently free, with no paid plan built yet. ^[1]

Can a signal person hold a STOP that everyone on the crew sees?

Some tools keep a direction visible rather than drop it when a finger lifts. OperatorLink keeps STOP, HOLD and SLOW on for everyone in the jobsite and clears them only when the last person leaves, while STOP releases every held direction with a full-screen alert. ^[1]^[1] For other tools, ask how long a direction stays on screen and whether it clears when the person stops holding it.

What device is needed for push-to-talk?

OperatorLink runs in a phone browser with no app install and can be added to a phone's home screen. ^[1]^[1] Check which devices the rest of the crew already carries, and ask each provider what its tool runs on before the crew relies on it.

OperatorLink is currently free to use, and no paid plan is built yet. ^[1]

Try OperatorLink