Comparison

Sea Shell Identifier vs Grammar Check Corrector +

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

Head to head
About

Sea Shell Identifier

Instantly identify seashells with AI by taking a photo. Get detailed information including scientific name, habitat, rarity, and edibility. Organize your finds with a history feature, accessible even offline.

Highlights
  • AI-powered identification
  • Detailed shell profiles
  • Rarity and market value
  • Safety and edibility info
  • Offline access
  • Organized history
Features
Read full description

Identify any sea shell in seconds. ShellID is your AI-powered shell scanner and conchology guide — designed for beachcombers, students, divers, and collectors alike. Just take a photo, and ShellID instantly recognizes the shell and gives you structured, easy-to-read information: scientific name, family, habitat, rarity, edibility, and more. Key Features: AI-Powered Identification Instantly recognize sea shells using advanced image recognition. Detailed Shell Profiles Get taxonomy, habitat, region, collector value, and handling information. Rarity and Market Value Learn how common or rare the shell is and whether it’s valuable to collectors. Safety and Edibility Info Find out if the mollusk is edible, toxic, or should be handled with care. Offline Access View your previously scanned shells even without an internet connection. Organized History Save and review your shell finds in a structured visual archive. ShellID transforms your phone into a smart, mobile field guide for exploring the coast. Whether you’re learning, collecting, or simply curious, ShellID gives you reliable, in-depth information at your fingertips. SUBSCRIPTION INFORMATION - Choose from Weekly, Yearly plans - Charges applied to your iTunes Account at purchase - Auto-renewal unless disabled 24 hours before expiration - Accounts charged for renewal 24 hours prior to period end at the rate chosen - Manage auto-renewals in Account Settings - Active subscriptions last for their full term - No refunds for active subscription periods - Unused trial time forfeited with subscription purchase Privacy Policy: https://sites.google.com/view/shellid/privacy-policy Terms of Service: https://sites.google.com/view/shellid/terms-conditions

About

Grammar Check Corrector +

This writing assistant helps you eliminate errors and improve your text. It offers advanced grammar and spelling checks, synonym suggestions, and definitions to refine your vocabulary. Review your editing history and enjoy a user-friendly interface with dark mode.

Highlights
  • Advanced grammar and spelling checker
  • Import text from PDFs
  • Synonym finder and word choice improvement
  • Word definitions
  • Editing history review
  • Dark Mode support
Read full description

Never make a writing mistake again – your simple, powerful grammar and writing assistant. Easily check grammar, refine your text, and enhance your writing in just a few taps. Whether you're drafting an email, editing a document, or improving your vocabulary Key Features: • Advanced grammar and spelling checker for error-free writing • Import and analyze text from PDFs • Instantly find synonyms and improve word choice • Get clear, concise definitions for any word • Review your editing history and revisit past corrections • Clean, intuitive interface with Dark Mode support Use the app for free. To unlock unlimited access, you may need to purchase a subscription or in-app purchase. Privacy Policy: enginesstudio.tech/privacy Support & Terms: enginesstudio.tech/support/contact

Screenshots

Sea Shell Identifier4 screens
Grammar Check Corrector +4 screens

Verdict

The call

The clearest difference is monetization model: Grammar Check Corrector + at free with in-app purchases against Sea Shell Identifier's subscription. Grammar Check Corrector + also leads on rating (4.8 vs 4.4) and review sentiment (89% vs 78%). Sea Shell Identifier's advantage is ads (none vs shown) and update cadence (every 10 days vs every 2 months). On price, ratings volume, in-app purchases 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. Sea Shell Identifier sells 4 in-app purchases, starting at $3.99 per 7 days and Grammar Check Corrector + sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Grammar Check Corrector + holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 183 and 201 respectively. Written reviews point the same way: 78% of Sea Shell Identifier's written reviews are positive against 89% of Grammar Check Corrector +'s.

UpkeepUpdate frequency

Sea Shell Identifier ships an update every 10 days, Grammar Check Corrector + every 2 months. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

Scorecard5 real differences · 5 level
Sea Shell Identifier versus Grammar Check Corrector +: the parameters behind the verdict, then further details
ParameterSea Shell IdentifierGrammar Check Corrector +
PriceFreeFree
Rating4.4 (183 ratings)4.8 (201 ratings) — better
Positive reviews77.8% of reviews88.9% of reviews — better
Number of ratings183201 — better
Update frequencyEvery 10 days — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better17.6
Further details — not scored
Size44 MB11 MB
Age rating4+4+
DeveloperBohdan HordiienkoENGINES STUDIO LAB

Customer experience

Sea Shell Identifier

All ratings121 ratings
Positive93.4%
Neutral0.8%
Negative5.8%
Written reviews72 reviews
Positive77.8%
Neutral2.8%
Negative19.4%

Grammar Check Corrector +

All ratings201 ratings
Positive96.0%
Neutral1.0%
Negative3.0%
Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

Bugs and requests

Sea Shell Identifier

Reported bugs

2 issues
  • Crashes when trying to add to collection
  • Incompatible with some devices

Requested features

2 requests
  • Allow overriding of AI identification
  • Improve shell identification accuracy

Grammar Check Corrector +

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Sea Shell Identifier

Subscriptions3
  • Weekly Sea Shell Identifier$3.997 Days
  • Sea Shell Identifier Weekly3 Days trial$4.997 Days
  • Annual Sea Shell Identifier$29.991 Year
One-time1
  • Sea Shell Identifier Lifetime$39.99
4 purchases

Grammar Check Corrector +

Subscriptions3
  • Premium access for 1 week3 Days trial$3.997 Days
  • Premium access for 1 month$12.991 Month
  • Premium access for 1 year$29.991 Year
One-time1
  • Premium access forever$24.99

Questions

Is Sea Shell Identifier free?
Sea Shell Identifier is free to download, with in-app purchases available.
Is Grammar Check Corrector + free?
Grammar Check Corrector + is free to download, with in-app purchases available.
Which has better reviews, Sea Shell Identifier or Grammar Check Corrector +?
Grammar Check Corrector + is rated higher. Sea Shell Identifier averages 4.4 out of 5 from 183 ratings, while Grammar Check Corrector + averages 4.8 from 201 ratings.
Do Sea Shell Identifier or Grammar Check Corrector + have ads?
Grammar Check Corrector + shows ads; Sea Shell Identifier does not.
Which is updated more often, Sea Shell Identifier or Grammar Check Corrector +?
Sea Shell Identifier ships an update every 10 days, and Grammar Check Corrector + every 2 months. Most recently, Sea Shell Identifier was updated on September 21, 2026 and Grammar Check Corrector + on September 13, 2026.

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