Comparison

Polly vs calc318

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

Head to head
About

Polly

This app uses AI to automatically record, transcribe, and summarize your notes from meetings, lectures, and conversations. It can also simplify complex topics, generate flashcards, and answer questions via a chatbot. Organize your notes and access them across devices.

Highlights
  • AI Note-Taking & Transcription
  • AI Summarizer for various content
  • AI Text Simplifier
  • AI Flashcard Generation
  • AI Chatbot Assistant
  • Cross-Device Sync & Cloud Backup
Features
Read full description

Polly is the AI note taker that captures everything you hear and read. Record a lecture, paste a YouTube or Spotify link, upload a PDF, or save a web page — Polly transcribes it, summarizes the key points, and builds study-ready flashcards in seconds. CAPTURE FROM ANYWHERE - Record live audio, lectures and meetings with one tap - Import any YouTube video or Spotify podcast - Upload PDFs and documents - Save any web page or article UNDERSTAND IT INSTANTLY - Word-for-word transcripts - Clear AI summaries that capture the main ideas - Auto-generated flashcards to lock in what matters - Works in 30+ languages with automatic detection ASK AI ANYTHING - Chat with your notes — ask questions, get instant explanations - Pull definitions, key takeaways and quotes on demand STAY ORGANIZED - Every note, recording and import in one place - Search across all your content instantly - Add summaries to your reading list WHETHER YOU'RE... A student turning lectures into revision notes, a professional summarizing meetings, or a curious mind capturing podcasts and articles — Polly does the heavy lifting so you can focus on what counts. Polly is the AI note taker that turns hours of audio, video and reading into notes you'll actually use. Download it today. –––––––––––– Payment will be charged to your Apple ID account at confirmation of purchase. Your subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your App Store account settings after purchase. Any unused portion of a free trial period will be forfeited when you purchase a subscription. Privacy Policy: https://pollyainotetaker.com/privacy.html Questions, feedback or help? Email us at support@denalidigital.co — we read every message.

About

calc318

Instantly solve 175 ACI 318-19 equations with live computation and interactive charts. Understand equation behavior with sensitivity graphs and clear variable descriptions. Designed for engineers needing quick, accurate calculations and insights.

Highlights
  • 175 ACI 318-19 equations solved instantly
  • Live computation with unit awareness
  • Interactive sensitivity graphs
  • Professionally formatted equations
  • Complete variable descriptions
  • Smart search functionality
  • Recents tab for quick access
Features
Read full description

Solve all 175 equations from ACI 318-19 Appendix C, instantly, in US Customary Units. Calc318 turns the equations from ACI 318-19 Appendix C into a live calculator. Pick an equation, enter your parameters, and get an answer the moment you type — beautifully rendered, with every variable clearly defined and unit-aware. No spreadsheets, no hand calcs. calc318 requires an auto-renewable subscription. Start your 7-day free trial — no charge until the trial ends, and you can cancel anytime. After the trial, your subscription continues at $12.99/year or $2.99/month. Manage or cancel anytime in Settings → Apple ID → Subscriptions. See more than just a number. Tap any input to open an interactive chart that shows exactly how your result responds as that parameter changes — with a draggable point and a family of curves for the other key variables, so you understand the behavior of the equation, not just one data point. FEATURES: - Live computation for all 175 ACI 318-19 equations, fully unit-aware. - Professionally formatted equations with LaTeX-quality rendering. - Interactive sensitivity graphs — drag a point and watch the result update in real time. - Compare curves across multiple parameter values to see trends at a glance. - Complete variable descriptions and units for every input. - Smart search by section number, chapter, keyword, or variable. - Recents tab to jump back to equations you use most. - Clean, intuitive interface designed for engineers. Whether you're checking a calculation, running a quick sensitivity study, or referencing design provisions, calc318 gets you the answer — and the insight behind it — in seconds. Privacy Policy: https://aiosciv.com/calc318/ Terms of Use (EULA): http://www.apple.com/legal/itunes/appstore/dev/stdeula

Screenshots

Polly4 screens
calc3184 screens

Verdict

The call

The clearest difference is monetization model: Polly at free with in-app purchases against calc318's subscription. Polly also leads on update cadence (every 11 days vs every 3 months) and ratings volume (73 vs 1). calc318's advantage is rating (5.0 vs 4.7). On price, review sentiment, ads and in-app purchases 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. Polly sells 9 in-app purchases, starting at $7.99 per 7 days and calc318 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

calc318 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Polly has 73 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 92% of Polly's written reviews are positive against 100% of calc318's.

UpkeepUpdate frequency

Polly ships an update every 11 days, calc318 every 3 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Polly versus calc318: the parameters behind the verdict, then further details
ParameterPollycalc318
PriceFreeFree
Rating4.7 (73 ratings)5.0 (1 ratings) — better
Positive reviews92.3% of reviews100.0% of reviews — better
Number of ratings73 — better1
Update frequencyEvery 11 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhoneiPhone
Requires iOS16.0 — better26.0
Further details — not scored
Size34 MB19 MB
Age rating4+4+
DeveloperDENALI DIGITAL BILISIM LIMITED SIRKETIARTIFICIAL INTELLIGENCE OPTIMIZATION AND SOFTWARE AIOS LLC

Customer experience

Polly

All ratings74 ratings
Positive90.5%
Neutral1.4%
Negative8.1%
Written reviews13 reviews
Positive92.3%
Neutral0.0%
Negative7.7%

calc318

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

9 purchases

Polly

Subscriptions9
  • Weekly Plan7 Days trial2 variants$7.997 Days
  • Monthly Plan$12.991 Month
  • Monthly Plan$14.991 Month
Show 6 more
  • Annual Plan$49.991 Year
  • Annual Plan$59.991 Year
  • Special Offer$59.991 Year
  • Annual Plan3 Days trial$69.991 Year
  • Yearly Plan$69.991 Year
  • Yearly Plan$79.991 Year
2 purchases

calc318

Subscriptions2
  • calc318 Pro Monthly7 Days trial$2.991 Month
  • calc318 Pro Yearly7 Days trial$12.991 Year

Questions

Is Polly free?
Polly is free to download, with in-app purchases available.
Is calc318 free?
calc318 is free to download, with in-app purchases available.
Which has better reviews, Polly or calc318?
calc318 is rated higher. Polly averages 4.7 out of 5 from 73 ratings, while calc318 averages 5.0 from 1 ratings.
Do Polly or calc318 have ads?
Neither Polly nor calc318 shows ads.
Which is updated more often, Polly or calc318?
Polly ships an update every 11 days, and calc318 every 3 months. Most recently, Polly was updated on October 30, 2026 and calc318 on October 31, 2026.

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