Comparison

Sum AI vs SonixScript

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

Head to head
About

Sum AI

This app converts audio and video recordings into text transcriptions and concise summaries. It leverages advanced AI to extract key points and actionable items, saving users time on manual note-taking and review. Ideal for students, professionals, and content creators needing to quickly process spoken information.

Highlights
  • GPT-powered audio/video to text conversion
  • Quick summarizing
  • Transcribe YouTube links
  • Extract key points and tasks
  • Fast, shareable transcripts
  • User-friendly interface
Features
Read full description

Experience the future of digital assistance with the Summarizer: an AI transcript and summarizing tool, your go-to app for turning audio and video into text, transcribing with precision, and summarizing recordings. Whether it's lectures, meetings, or YouTube content, our app delivers clear, concise transcriptions and summaries swiftly. Using cutting-edge GPT technology, the Summarizer transforms speech into structured text, offering a digestible summary that captures key points and saves you hours of playback time. This tool is invaluable for learners, professionals, project managers and podcasters, who need to extract important information without the tedium of manual transcription and summarisation.. Forget about the frustration of rewinding and pausing—upload or link your audio/video, and our app provides a written version in minutes.  What's more, it identifies actionable items, streamlining your workflow and ensuring you never miss a task. Key Features: - Advanced GPT-powered audio and video to text conversion. - Quick summarizing for efficient understanding. - Seamless transcribing of video and audio recordings, including YouTube clips, through the link. - Intelligent extraction of key points and tasks. - Fast, shareable transcripts perfect for collaboration. - User-friendly interface for uploading and linking files directly. Summariser not only simplifies your workload but also elevates your productivity. It’s more than a transcription app — it’s your personal AI summarizer, ready to enhance how you work and learn. Download now and revolutionize your information management! Terms of Use: https://zipoapps.com/sumaiios/terms Privacy Policy: https://zipoapps.com/sumaiios/privacy

About

SonixScript

Convert voice messages to text privately and offline, directly within your favorite apps. Supports over 32 languages and offers bulk conversion for enhanced productivity. All processing happens on your device.

Highlights
  • Voice message to text conversion
  • Supports 32+ languages
  • Bulk voice message conversion
  • Privacy-focused, on-device processing
  • Offline functionality
  • Fast, real-time transcription
Read full description

SonixScript – Seamless Voice-to-Text Conversion for Enhanced Productivity SonixScript overlays effortlessly on any app, empowering you to convert voice messages to text without interrupting your workflow. With compatibility across popular apps like WhatsApp, Facebook Messenger, iPhone Recorder, and MP3 files, SonixScript makes it easy to enhance your productivity while keeping your data secure. Top Features: - Voice Message to Text, Anywhere Easily convert voice messages to text from any app. Share the voice message to SonixScript via the share extension to view real-time text, making conversations and note-taking smoother and faster. - Supports 32+ Languages Instantly transcribe in languages including English, Cantonese, Mandarin, Japanese, Spanish, French, Russian, and many more. - Bulk Voice Message Conversion Convert multiple voice messages with one click! Improve productivity by processing multiple files at once. - Privacy-Focused We don’t collect, store, or share your voice data. All processing happens directly on your device, ensuring complete privacy. - Offline Functionality No internet? No problem. SonixScript functions entirely offline, meaning your data remains safe and accessible at all times. - Fast, Real-Time Transcription Enjoy lightning-fast text conversion with real-time progress indicators, making it easy to keep up with any conversation. Key Use Cases: - WhatsApp & Messenger Save time by converting long voice messages from WhatsApp or Messenger directly to text. - Text Extraction Extract text from voice messages with ease, ready for editing, sharing, or quick reference. - Quick Summaries Convert audio to text, then use third-party AI tools to generate concise summaries (SonixScript does not offer built-in summarization). - Business Meetings Transcribe meeting recordings for quick reviews and efficient sharing with team members. - Academic Lectures Turn lecture recordings into text for streamlined studying and note-taking. - Personal Memos Organize and retrieve your personal voice notes by instantly converting them to text. Languages Supported: SonixScript supports transcription in over 32 languages: - English - Mandarin Chinese - Cantonese - Arabic - Catalan - Croatian - Czech - Danish - Dutch - Finnish - French - German - Greek - Hebrew - Hindi - Hungarian - Indonesian - Italian - Japanese - Korean - Malay - Norwegian - Polish - Portuguese - Romanian - Russian - Slovak - Spanish - Swedish - Thai - Turkish - Ukrainian - Vietnamese Ready to Start? Try SonixScript for free and unlimited transcriptions times, or unlock enhanced access with a one-time in-app purchase or monthly subscription. For support and updates, follow us on Instagram @sonixscript or visit our Website: "https://sonix-script.vercel.app" Maximize your productivity and enjoy seamless voice-to-text capabilities with SonixScript today! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Sum AI4 screens
SonixScript4 screens

Verdict

The call

The clearest difference is review sentiment: Sum AI at 76% against SonixScript's 33%. Sum AI also leads on ratings volume (1.7K vs 37) and rating (4.5 vs 4.2). SonixScript's advantage is ads (none vs shown). On price, update cadence, 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. Sum AI sells 9 in-app purchases, starting at $4.99 per 7 days and SonixScript sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sum AI holds the better App Store score, 4.5 against 4.2. That said, the two scores are not equally well evidenced: Sum AI has 1.7K ratings behind it against 37, so its average is the more settled of the two. Written reviews point the same way: 76% of Sum AI's written reviews are positive against 33% of SonixScript's.

UpkeepUpdate frequency

Sum AI ships an update every 3 weeks, SonixScript fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Sum AI versus SonixScript: the parameters behind the verdict, then further details
ParameterSum AISonixScript
PriceFreeFree
Rating4.5 (1.7K ratings) — better4.2 (37 ratings)
Positive reviews76.4% of reviews — better33.3% of reviews
Number of ratings1.7K — better37
Update frequencyEvery 3 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.4
Further details — not scored
Size190 MB36 MB
Age rating4+4+
DeveloperZipoAppsChi shing Chan

Customer experience

Sum AI

All ratings1,671 ratings
Positive85.5%
Neutral5.6%
Negative9.0%
Written reviews868 reviews
Positive76.4%
Neutral8.5%
Negative15.1%

SonixScript

All ratings36 ratings
Positive77.8%
Neutral5.6%
Negative16.7%
Written reviews9 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Bugs and requests

Sum AI

Reported bugs

4 issues
  • Recordings being lost or not transcribed
  • Transcription errors and inaccuracies
  • Freezing and crashing issues
  • Subscription cancellation problems

Requested features

4 requests
  • Real-time transcription capability
  • Ability to save and access past recordings
  • More affordable pricing options
  • Improved user interface and navigation

SonixScript

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Sum AI

Subscriptions9
  • Summarizer: AI Trascript Tool$4.997 Days
  • Unlimited Access3 Days trial$5.997 Days
  • Summarizer Pro$5.997 Days
Show 6 more
  • Summarizer Pro3 Days trial$5.997 Days
  • Summarizer Pro$9.997 Days
  • Transcribe video. Summarizer3 Days trial$9.997 Days
  • Summarizer: AI Trascript Tool2 variants$14.991 Month
  • Summarizer: AI Transcript tool$19.991 Month
  • Summarizer: AI transcript tool$99.991 Year
3 purchases

SonixScript

Subscriptions1
  • Monthly Pro$1.991 Month
One-time2
  • Lifetime Pro$14.99
  • Lifetime Deals$14.99

Questions

Is Sum AI free?
Sum AI is free to download, with in-app purchases available.
Is SonixScript free?
SonixScript is free to download, with in-app purchases available.
Which has better reviews, Sum AI or SonixScript?
Sum AI is rated higher. Sum AI averages 4.5 out of 5 from 1.7K ratings, while SonixScript averages 4.2 from 37 ratings.
Do Sum AI or SonixScript have ads?
Sum AI shows ads; SonixScript does not.
Which is updated more often, Sum AI or SonixScript?
Sum AI ships an update every 3 weeks, and SonixScript fortnightly. Most recently, Sum AI was updated on November 3, 2026 and SonixScript on October 30, 2026.

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