Which captioning app is actually worth downloading?
A dozen apps promise captioned calls. Only a handful deliver on all four things that matter: accuracy, privacy, cost, and everyday convenience. Here's how to compare them without the marketing gloss.
What actually matters
Look past the star ratings and check five things: (1) whether captions are generated by AI or by a human stenographer, (2) whether transcripts are stored on your device or on someone's server, (3) whether the app works on the phone you already own or requires hardware, (4) how many languages are supported, and (5) whether the provider is FCC-certified so the service is free to eligible US users.
AI vs human captioning
Human captioning can be extremely accurate but puts a stranger on the line and creates a data-retention footprint. AI-only captioning, Rogervoice's approach, is private by design, works in 100+ languages, and keeps up with fast, overlapping speech better than most people expect.
Hardware vs app
Legacy captioned telephones (CaptionCall, CapTel) require a physical unit tethered to a wall outlet. Modern apps run on the smartphone you already carry, work anywhere with signal, and don't broadcast that you're using an accessibility tool.
Frequently asked
Which captioned calling app is best?
The right app depends on your priorities: for lifestyle-forward, private, AI-only captioning that works on any smartphone in 100+ languages, Rogervoice is purpose-built for under-55 users with progressive hearing loss. For heavy ASL/Deaf community use, Nagish is popular. For senior-focused, human-captioned calls, InnoCaption and CaptionCall are established options.
Are captioned calling apps private?
It depends on the provider. Apps that use human captioning route your call audio through a third-party listener. AI-only apps like Rogervoice keep the call between you and the person you called, no human ever hears it.
Captions that keep up with you.
Free, FCC-certified captioned calling on the phone you already own.