CaptionCall vs InnoCaption: Side-by-Side Comparison
This page puts CaptionCall and InnoCaption side by side. It shows what each maker or store says. It does not pick a winner.
At a glance
| Feature | CaptionCall | InnoCaption |
|---|---|---|
| Maker | CaptionCall, LLC (Sorenson) | Mezmo Corporation |
| Group | Captioned phone calls | Captioned phone calls |
| Works on | iPhone, iPad, Apple Watch, Android | iPhone, iPad, Apple Watch, Android |
| Built into the phone | No | No |
| Cost | No cost if you qualify. No cost to qualified users in the United States. A federally administered fund pays for the captions. | No cost if you qualify. No cost to eligible users in the United States. A federally administered fund pays for each minute of captions. |
| Good for | People with hearing loss who want captions on calls from their own phone. | People who want a choice between software captions and a live captioner. |
Main differences
- Both work on iPhone, iPad, Apple Watch, Android.
- Both are listed as: no cost if you qualify. Read each cost note below.
What each one does
CaptionCall
- Captions both sides of a call in real time.
- Lets you call from a CaptionCall number, or forward your own number to the app.
- Saves contacts in the app.
- Shows captioned voicemail and sends voicemail alerts.
InnoCaption
- Lets you switch between live stenographers and automatic speech recognition.
- Captions incoming, outgoing and three-way calls.
- Keeps your existing number with its One Number feature.
- Saves call transcripts, with AI summaries.
- Shows captioned voicemail, and filters spam calls.
- Lets you type a reply that the app speaks aloud.
What each one needs
CaptionCall
- Hearing loss that makes phone captions necessary.
- A self-certification and registration when you sign up.
- A United States address. The service is for the United States only.
- iPhone with iOS 16 or later, or an Android phone.
InnoCaption
- Registration as a user with hearing loss.
- Cellular data or Wi-Fi.
- iPhone with iOS 15.1 or later, or an Android phone.
Good to know
CaptionCall
- Federal law lets only registered users with hearing loss use IP captioned phone service with captions on.
- The maker says some IP captioned calls may use a live operator to write captions of the other person's speech.
- The App Store lists the app in English and Spanish.
- Read the privacy details on the App Store listing before you sign up.
InnoCaption
- The App Store listing says 911 calls with captions may be limited during network or service disruptions.
- The listing says captions come in several languages, including Spanish, Chinese and Filipino.
- Federal law lets only registered users with hearing loss use IP captioned phones with captions on.
How to choose
- Check your phone first. Some apps work on one kind of phone only.
- Read the limits for each app above. Then read each full page.
- Check the cost on the store listing before you install.
- Try one app at a time. Tell your audiologist which one helps.
This guide is general information. It does not diagnose hearing loss and it does not replace a hearing evaluation. An app cannot tell you why you hear less. An audiologist can.
More comparisons
Read more on our site
- Can hearing aids take phone calls?
- Hearing better on phones and captions
- Bluetooth, iPhone and video calls
- Bluetooth hearing aids
Sources
We read these pages on November 10, 2026. Prices and phone requirements change, so check the listing before you install.
- CaptionCall: CaptionCall on the App Store
- CaptionCall: CaptionCall help: is the service no cost?
- CaptionCall: CaptionCall on Google Play
- InnoCaption: InnoCaption on the App Store
- InnoCaption: InnoCaption on Google Play
Need help choosing?
Phone calls getting harder? A hearing test shows why, and what can help. Call 650-342-9449.
California Hearing Center has offices in San Mateo and San Carlos. One phone number reaches both: 650-342-9449.
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