Comparison

Local TTS vs OpenCalorie

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

Head to head
About

Local TTS

This app converts text into lifelike speech using on-device processing. It supports various file formats, including PDFs and Word documents, and allows scanning printed pages. Enjoy offline playback with customizable voices and background audio controls.

Highlights
  • 100% offline text-to-speech
  • Import PDF, EPUB, Word, TXT, Markdown
  • Scan printed pages with camera (OCR)
  • Background playback with lock screen controls
  • iCloud sync across devices
  • Adjustable playback speed
  • Word-by-word highlighting
Features
Read full description

Local TTS turns any text into natural speech with 38 neural voices, powered by the open-source Kokoro-82M and Supertonic 3 engines — 100% offline, right on your iPhone or iPad. Listen to PDFs, e-books, articles, scans, and notes with no internet, no account, and no tracking. Nothing ever leaves your device. TWO OPEN-SOURCE NEURAL ENGINES • Kokoro-82M: 28 natural American and British English voices • Supertonic 3: multilingual voices that read 31 languages, with automatic language detection • Every voice runs entirely on your device — it even works in airplane mode ALL 31 LANGUAGES English, Spanish, French, German, Italian, Portuguese, Dutch, Russian, Ukrainian, Polish, Czech, Slovak, Slovenian, Croatian, Bulgarian, Romanian, Hungarian, Greek, Swedish, Danish, Finnish, Lithuanian, Latvian, Estonian, Turkish, Arabic, Hindi, Indonesian, Vietnamese, Japanese, and Korean. READ FROM ALMOST ANYTHING • Files: import PDF, EPUB, Word (DOCX), TXT, and Markdown • Paper: scan a printed page with the camera, or read text from a photo — on-device OCR • Everything else: paste text or type your own notes A READING VIEW THAT FOLLOWS ALONG • Word-by-word highlighting synced to the audio • Immersive mode: the toolbar and player tuck away while you listen — or pin the player • Make it yours: choose the reading font and text size • Search inside a document, jump from the PDF table of contents, and pick up right where you left off • Natural delivery: dates, units, and Roman numerals are read the way people actually say them MADE FOR LISTENING • Background playback with lock screen and Control Center controls • Adjustable playback speed • A different voice for each note, plus tags to keep things organized • Private iCloud sync across iPhone and iPad FREE PLAN • One Supertonic 3 multilingual voice that reads all 31 languages • Three premium Kokoro-82M English voices • Read up to 500 characters per note • No account required — and no ads, ever GO PRO — UNLOCK EVERYTHING • Unlimited text: paste or import with no 500-character cap • The full catalog of all 38 neural voices • Export speech as M4A audio files to play anywhere, on any device • Full multi-page PDF import • Still 100% offline and private, even with Pro SUPPORTED DEVICES On-device neural speech needs a recent chip, so Local TTS requires: • iPhone 12 or later • iPad (10th generation) or later • iPad Air (4th generation) or later • iPad mini (6th generation) or later • iPad Pro (M1, 2021) or later • iOS / iPadOS 18.6 or later Download Local TTS and turn every screen into your personal narrator. • Contact: support@richsoft.app • Privacy Policy: https://richsoft.app/tts/privacy • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

OpenCalorie

Features
Read full description

A calorie & macro tracker for iPhone, built on the open Open Food Facts database - the "Wikipedia of food."

Screenshots

Local TTS4 screens
OpenCalorie4 screens

Verdict

The call

The clearest difference is in-app purchases: OpenCalorie at none against Local TTS's 2. Local TTS's advantage is iOS requirement (18.6 vs 26.5). On price, update cadence, 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. Local TTS sells 2 in-app purchases, starting at $4.99 per month. OpenCalorie asks for nothing beyond the download.

UpkeepUpdate frequency

Local TTS ships an update weekly, OpenCalorie every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Local TTS versus OpenCalorie: the parameters behind the verdict, then further details
ParameterLocal TTSOpenCalorie
PriceFreeFree
Rating4.6 (10 ratings) — better—
Positive reviews80.0% of reviews—
Number of ratings10 — better—
Update frequencyWeeklyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.6 — better26.5
Further details — not scored
Size529 MB20 MB
Age rating4+4+
DeveloperRich Soft Co., LtdSlawomir Job

In-app purchases

2 purchases

Local TTS

Subscriptions1
  • Local TTS Pro Monthly$4.991 Month
One-time1
  • Local TTS Pro Lifetime$19.99
None

OpenCalorie

No in-app purchases

Questions

Is Local TTS free?
Local TTS is free to download, with in-app purchases available.
Is OpenCalorie free?
OpenCalorie is free to download, with no in-app purchases.
Do Local TTS or OpenCalorie have ads?
Neither Local TTS nor OpenCalorie shows ads.
Which is updated more often, Local TTS or OpenCalorie?
Local TTS ships an update weekly, and OpenCalorie every 4 days. Most recently, Local TTS was updated on November 5, 2026 and OpenCalorie on October 31, 2026.

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