Comparison

utter vs Prism Notes

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

Head to head
About

utter

This AI-powered voice keyboard transforms your speech into polished written text instantly, working across all your favorite apps. It offers advanced speech-to-text capabilities, an AI writing assistant, and a structured editor for efficient content creation.

Highlights
  • AI Voice Keyboard
  • Advanced Speech to Text
  • AI Writing Assistant
  • Structured Editor with Markdown
  • Instant Note Capture
  • Whisper Mode
  • Custom Vocabulary
Features
Read full description

Turn your voice into useful text with Utter. Dictate messages, capture ideas, and transcribe recordings on your iPhone or iPad. WORK WITHOUT INTERNET Turn on Offline Mode in Settings on a compatible iPhone to dictate and rewrite without an internet connection. Download the required models once, then process your words on your device. WRITE WITH YOUR VOICE Use the Utter keyboard in apps that support custom keyboards. Speak naturally, then use AI writing tools to clean up, rewrite, or summarise your text. The keyboard requires Full Access. KEEP YOUR IDEAS TOGETHER Record voice notes, import audio, and search your transcripts. Add your own vocabulary and choose writing modes for different tasks. CHOOSE YOUR MODELS Browse speech and language models, choose defaults, and manage downloads. Use supported on-device models or cloud services, or connect supported providers with your own API key. Availability, languages, live transcription, and speaker labelling depend on the model and device. Cloud models send the content needed for processing to the selected service. START QUICKLY Use widgets, Shortcuts, and the share sheet to bring recording and audio import into your everyday workflow. Some features require Utter Pro or a provider API key. Terms: https://utter.to/terms Privacy: https://utter.to/privacy

About

Prism Notes

Capture thoughts and links quickly with a familiar texting interface. Organize ideas with AI-suggested tags and develop them across linked threads. Review notes to keep what matters and easily search by keyword or meaning.

Highlights
  • Texting-like note capture
  • AI-suggested tags
  • Threaded idea development
  • Review mode for notes
  • Sync across devices
  • Natural language reminders
  • Lock screen capture
Features
Read full description

Prism is the private place for quick thoughts and links. It feels like texting, rather than writing in a document. Capture easily, organize with tags, develop ideas across threads, review to keep only what matters. Free to try! Features: - Private and on-device - Opt in to iCloud sync between iPhone and Mac - Voice transcription and voice memos - Lock screen widgets for text and voice capture - AI-suggested tags to make organizing easy or automatic AI tagging (requires apple intelligence) - Review mode to keep notes alive or let them go - Threads to evolve a thought and link them together - Search by keyword - Natural language reminders - just say "remind me tomorrow at 2pm" (requires apple intelligence)

Screenshots

utter4 screens
Prism Notes4 screens

Verdict

The call

The clearest difference is monetization model: Prism Notes at free against utter's freemium. Prism Notes also leads on update cadence (every 4 days vs fortnightly) and device support (4 vs 1). On price, rating, review sentiment and ads 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. utter sells 2 in-app purchases, starting at $5.99 per month and Prism Notes sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for utter against 4.9 for Prism Notes. Both are backed by a comparable volume of ratings — 7 and 26 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

utter ships an update fortnightly, Prism Notes every 4 days. The most recent releases landed on September 25, 2026 and August 30, 2026 respectively.

Scorecard4 real differences · 6 level
utter versus Prism Notes: the parameters behind the verdict, then further details
ParameterutterPrism Notes
PriceFreeFree
Rating5.0 (7 ratings) — better4.9 (26 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings726 — better
Update frequencyFortnightlyEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree — better
DevicesiPhoneiPhone, iPad, Mac, Apple Watch — better
Requires iOS18.0 — better18.6
Further details — not scored
Size203 MB17 MB
Age rating4+4+
DeveloperThird techTommy Joseph

Customer experience

utter

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Prism Notes

All ratings26 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

utter

Subscriptions2
  • Monthly Plan$5.991 Month
  • Utter Pro | Yearly$59.991 Year
1 purchases

Prism Notes

One-time1
  • Lifetime Unlock2 variants$4.99

Questions

Is utter free?
utter is free to download, with in-app purchases available.
Is Prism Notes free?
Prism Notes is free to download, with in-app purchases available.
Which has better reviews, utter or Prism Notes?
utter is rated higher. utter averages 5.0 out of 5 from 7 ratings, while Prism Notes averages 4.9 from 26 ratings.
Do utter or Prism Notes have ads?
Neither utter nor Prism Notes shows ads.
Which is updated more often, utter or Prism Notes?
utter ships an update fortnightly, and Prism Notes every 4 days. Most recently, utter was updated on September 25, 2026 and Prism Notes on August 30, 2026.

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