Comparison

Calcula Keyboard vs SpeechNotes+

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

Head to head
About

Calcula Keyboard

Features
Read full description

Calcula is a lightweight scientific math keyboard for iPhone. After you add the keyboard, you can type expressions in chats, notes, browser search bars, or any system text field, and insert the result at the current cursor position. Version 1.0 focuses on the core workflow: a basic keyboard, an f(x) scientific panel, DEG / RAD trigonometric input, in-keyboard history, and a companion app for setup guidance, basic settings, and About. It does not include accounts, cloud sync, or online computation. Settings stay on the device.

About

SpeechNotes+

This app uses on-device AI to instantly transcribe your spoken words into organized, searchable text notes. It prioritizes privacy by processing and storing all data locally, making it ideal for capturing ideas, lectures, or journaling without typing.

Highlights
  • Instant AI transcription
  • Private on-device processing
  • Automatic titling and timestamping
  • Keyword and topic search
  • Voice journaling
  • Meeting and lecture notes
  • Distraction-free design
Features
Read full description

VOICENOTE+ — YOUR VOICE, INSTANTLY ORGANIZED Stop losing great ideas to a pile of unlabeled voice memos. VoiceNote+ turns everything you say into clean, searchable, organized notes — powered by on-device AI, built for privacy from the ground up. Talk it out. Get it back as text. Find it again in seconds. WHY VOICENOTE+ • Instant AI transcription — speak naturally and watch your words appear as accurate, readable text in real time • Private by design — your recordings and transcripts are processed and stored on your device, not uploaded to a server • Smart organization — memos are automatically titled, timestamped, and searchable by keyword or topic • Voice journaling — build a daily habit of capturing thoughts, ideas, and reflections without typing a single word • Meeting & lecture notes — record and transcribe conversations, then skim the text instead of re-listening • Clean, distraction-free design — open the app, tap once, and start talking BUILT FOR PRIVACY Your voice is personal. VoiceNote+ never sells your data, never shows ads inside your notes, and never requires an account just to start recording. What you say stays with you. WHO IT'S FOR • Writers and creators capturing ideas on the go • Students and professionals recording lectures and meetings • Journalers who think out loud • Anyone who's ever said "I'll remember this" — and didn't HOW IT WORKS 1. Tap record and speak 2. VoiceNote+ transcribes instantly 3. Search, tag, and revisit anytime — all from one organized library Download VoiceNote+ today and turn every voice memo into a note you'll actually use again. Free to Download Premium Users gets: - Unlimited Transcription - Access to On-Device Private AI We use the Standard Apple Terms of Use Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Calcula Keyboard3 screens
SpeechNotes+4 screens

Verdict

The call

The clearest difference is in-app purchases: Calcula Keyboard at none against SpeechNotes+'s 3. Calcula Keyboard also leads on iOS requirement (18.0 vs 26.2). On price, ads and device support 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. SpeechNotes+ sells 3 in-app purchases, starting at $0.99 per 7 days. Calcula Keyboard asks for nothing beyond the download.

Scorecard2 real differences · 8 level
Calcula Keyboard versus SpeechNotes+: the parameters behind the verdict, then further details
ParameterCalcula KeyboardSpeechNotes+
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhoneiPhone
Requires iOS18.0 — better26.2
Further details — not scored
Size2 MB23 MB
Age rating4+4+
Developer锦珍 黄Jiakai Wei

In-app purchases

None

Calcula Keyboard

No in-app purchases

3 purchases

SpeechNotes+

Subscriptions2
  • Premium Weekly$0.997 Days
  • Premium Yearly$4.991 Year
One-time1
  • Lifetime Premium$9.99

Questions

Is Calcula Keyboard free?
Calcula Keyboard is free to download, with no in-app purchases.
Is SpeechNotes+ free?
SpeechNotes+ is free to download, with in-app purchases available.
Do Calcula Keyboard or SpeechNotes+ have ads?
Neither Calcula Keyboard nor SpeechNotes+ shows ads.

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