Comparison

InnoCaption vs SPDY App

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

Head to head
About

InnoCaption

This app provides free, real-time captions for phone calls, assisting individuals with hearing loss. It offers options for live stenographers or automated speech recognition, with features like text-to-speech shortcuts and transcript summaries for enhanced communication.

Highlights
  • Live call captioning (stenographer or ASR)
  • Text-to-speech calling with AI refine
  • Customizable TTS shortcuts
  • AI-powered transcript summaries
  • Save and view call transcripts
  • Captioning for incoming and outgoing calls
  • Spam call filter
Features
Read full description

If hearing loss makes understanding phone calls challenging, try the InnoCaption app for free, fast, and accurate real-time call captions. InnoCaption is available at no cost to eligible users in the United States through funding from the FCC’s Telecommunications Relay Services (TRS) Fund. **** New Update **** • Custom Word List – Add custom words like names and specialized terms to improve real-time caption accuracy • Picture-in-Picture – Keep captions visible in a floating window while using other apps or browsing the web during a call REAL-TIME CAPTIONS FOR EVERY CALL • Switch between live stenographers or Automated Speech Recognition (ASR) captions at any time during your call • Available at no cost to individuals with hearing loss in the United States • Caption your calls in multiple languages, including Spanish, Chinese, Filipino, and more • Make and caption 3-way calls SEAMLESS CALLING & PERSONALIZATION • Get captions for both incoming and outgoing calls • Keep your existing phone number with our patented One Number technology • Use InnoCaption like your regular phone dialer – no need to make calls through a 711 relay • Customize the InnoCaption app to fit your accessibility needs TEXT-TO-SPEECH CALLING FEATURES • Use AI Refine to turn short responses into complete sentences at the touch of a button • Customize prewritten TTS Shortcuts for fast and effortless replies during calls ACCESSIBLE TRANSCRIPTS & VOICEMAIL • Save and view transcripts of previous calls • Generate concise AI-powered summaries of call transcripts • Access and read fully captioned voicemail messages SMART CONTACT INTEGRATION • Easily sync contacts from your phone to the InnoCaption app • Continue using your personal cell number by combining our caller ID and call-forwarding features EMERGENCY CALLS & SPAM FILTER • Built-in spam call filter blocks high-risk calls and provides notices for potential spam calls • Make 911 emergency calls with captions* *911 service may be limited or unavailable in the event of network disruptions or degradation, service connection or internet failure, or other circumstances. For more information, visit www.innocaption.com/calling-911 Cellular data plan or Wi-Fi is required to use the service. FEDERAL LAW PROHIBITS ANYONE BUT REGISTERED USERS WITH HEARING LOSS FROM USING INTERNET PROTOCOL (IP) CAPTIONED TELEPHONES WITH THE CAPTIONS TURNED ON. IP Captioned Telephone Service may use a live operator. The operator generates captions of what the other party to the call says. These captions are then sent to your phone. There is a cost for each minute of captions generated, paid from a federally administered fund. For more information, visit us at https://www.innocaption.com For assistance, contact us at support@innocaption.com

About

SPDY App

Accept cryptocurrency payments for your business without needing any crypto knowledge. Funds are automatically converted to USD and deposited into your account, simplifying transactions.

Highlights
  • Accept cryptocurrency payments
  • Automatic USD conversion
  • No crypto experience needed
  • Direct USD deposit
  • Simplified business transactions
Features
Read full description

Now you can accept Cryptocurrency Payments for your goods and services and NEVER touch the Cryptocurrency because we USD cash into your account. You don’t need any experience or knowledge of Crypto to start accepting Bitcoin today because we do everything for you.

Screenshots

InnoCaption4 screens
SPDY App4 screens

Verdict

The call

The clearest difference is update cadence: InnoCaption at weekly against SPDY App's every 3 months. InnoCaption also leads on ratings volume (12K vs 5). SPDY App's advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases and monetization model 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

SPDY App holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: InnoCaption has 12K ratings behind it against 5, so its average is the more settled of the two.

UpkeepUpdate frequency

InnoCaption ships an update weekly, SPDY App every 3 months. The most recent releases landed on September 29, 2026 and September 19, 2026 respectively.

Scorecard3 real differences · 7 level
InnoCaption versus SPDY App: the parameters behind the verdict, then further details
ParameterInnoCaptionSPDY App
PriceFreeFree
Rating4.7 (12K ratings)5.0 (5 ratings) — better
Positive reviews71.3% of reviews—
Number of ratings12K — better5
Update frequencyWeekly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size94 MB64 MB
Age rating4+4+
DeveloperMezmo CorporationSPDY APP, LLC

Customer experience

InnoCaption

All ratings12,091 ratings
Positive92.8%
Neutral4.2%
Negative3.0%
Written reviews334 reviews
Positive71.3%
Neutral6.0%
Negative22.8%

SPDY App

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

InnoCaption

Reported bugs

3 issues
  • Incoming calls not always received or displayed
  • App crashing or freezing during calls
  • Issues with call forwarding setup

Requested features

4 requests
  • Ability to caption in-person conversations
  • Integration with video calling apps
  • Improved transcription accuracy for names and numbers
  • Option to save call transcripts locally

SPDY App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

InnoCaption

No in-app purchases

None

SPDY App

No in-app purchases

Questions

Is InnoCaption free?
InnoCaption is free to download, with no in-app purchases.
Is SPDY App free?
SPDY App is free to download, with no in-app purchases.
Which has better reviews, InnoCaption or SPDY App?
SPDY App is rated higher. InnoCaption averages 4.7 out of 5 from 12K ratings, while SPDY App averages 5.0 from 5 ratings.
Do InnoCaption or SPDY App have ads?
Neither InnoCaption nor SPDY App shows ads.
Which is updated more often, InnoCaption or SPDY App?
InnoCaption ships an update weekly, and SPDY App every 3 months. Most recently, InnoCaption was updated on September 29, 2026 and SPDY App on September 19, 2026.

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