Free Trial

Yes, 30 days.

Yes, 30 days.

$1 for 21 days.

Site says there is a free trial, but calls it a “demo”, so may not be fully functional.

Yes, 14 days.

Monthly Fee

Yes, or you can pay per use.

Cost

$45 per month or pay per use option is 32 cents per minute per user.

$99 per month

Between $47 and $197 per month, depending on your requirements.

Between $49 and $179 per month.

From $49 per month.

Maximum Size

80,000 web-based only.

1000

100 to 3000, depending on level of service.

10 to 250, depending on level of service.

From 25 to 500, depending on level of service. $49 per month service has 25 users.

Maximum Duration

12 hours 45 minutes

Unlimited

4 hours

Appears unlimited

Unlimited

Custom Branding

Only with Enterprise options.

Connection Options

Microphone, VOIP and  text chat. Telephone, but you have to provide the number.

Microphone, VOIP, text chat and telephone.

Microphone, VOIP, text chat and telephone.

Audio, video and web.

Microphone, VOIP, text chat, telephone and mobile app.

Desktop Sharing

Through PowerPoint