Comparison

Grammar AI Keyboard vs Nulo

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

Head to head
About

Grammar AI Keyboard

This AI-powered keyboard enhances your writing by correcting grammar and spelling errors in real-time. It offers word suggestions, instant translation, and message completion to improve clarity and efficiency across all your applications.

Highlights
  • Grammar and spelling correction
  • Word choice enhancement
  • Real-time translation
  • Automated message completion
  • Paraphrasing capabilities
  • AI text generation
Features
Read full description

Introducing KeysAI, the revolutionary writing companion designed to elevate your written communication effortlessly! Powered by cutting-edge AI technology, KeysAI seamlessly integrates into your device's keyboard, enhancing your writing experience across all platforms and applications. With KeysAI, bid farewell to pesky typos, embarrassing grammar slip-ups, and the frustration of finding the perfect words to convey your thoughts through ai text generation. GRAMMAR AND SPELLING PERFECTION KeysAI meticulously checks your text for grammatical errors in an impressive array of languages. Say goodbye to embarrassing typos and grammar gaffes forever! WORDING ENHANCEMENT Struggling to find the right words? Fear not! KeysAI offers intelligent suggestions for word choices, ensuring your message is conveyed with precision and clarity as know it all. REAL-TIME TRANSLATION Break down language barriers effortlessly with KeysAI’s real-time translation feature. No more tedious copy-pasting – simply compose your message,email writer, and let KeysAI handle the rest! AUTOMATED MESSAGE COMPLETION Pressed for time? KeysAI has your back! Harnessing the power of context-aware AI, KeysAI can seamlessly continue your messages, saving you precious time and effort. PARAPHRASING MASTERY Ensure your content stands out with KeysAI's advanced paraphrasing capabilities. Craft unique, plagiarism-free content effortlessly, every time. KeysAI isn't just a writing tool – it's your personal writing mentor, offering real-time feedback to help you refine your skills and captivate your audience. Whether you're crafting emails, paraphrase, composing social media posts, or jotting down notes, KeysAI is the indispensable companion for anyone who writes on their phone. Download KeysAI now and unlock your typeai ai keyboard extension writing potential! To have access to the "KeysAI Full Access" functionality, you can choose between a weekly and yearly auto-renewable subscription. This is a recurring transaction that will be charged to your iTunes Account at confirmation of purchase and will automatically renew unless you cancel it at least 24 hours before the end of your subscription. Renewals will be charged the same cost within 24 hours prior to the end of the current period. You can manage your subscriptions and auto-renewal can be turned off by going to your iTunes Account Settings after purchase. For a detailed understanding of our terms of service and privacy policy, please visit the following links: Terms of Service (EULA) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zerovik.com/keys-ai-privacy-policy/

About

Nulo

Effortlessly scan, identify, and value your sports cards. This app helps you organize your collection, track your scans, and discover estimated card prices from various marketplaces. Build and manage your digital sports card collection with ease.

Highlights
  • Scan sports cards with AI
  • Identify card details quickly
  • Check estimated card values
  • Save scan history
  • Organize cards into collections
  • Digital collection management
Read full description

Meet Nulo - your all-in-one sports card scanner, value identifier, and collection organizer. Whether you collect baseball, football, hockey, basketball, or other sports cards, Nulo helps you identify cards, check estimated values, and keep your collection organized in one place. Just scan a card to get started. Nulo makes it easy to learn more about your cards, track what you’ve scanned, and build a digital collection you can return to anytime. SCAN SPORTS CARDS WITH EASE Identify sports cards in just a few taps. Nulo helps you quickly check card details without digging through endless listings. CHECK ESTIMATED CARD VALUES See estimated values for your cards and better understand what may be in your collection. View prices pulled from trusted marketplaces. SAVE YOUR SNAP HISTORY Every scan is saved in your Snap History, so you can revisit past cards anytime and keep track of what you’ve already scanned. ORGANIZE CARDS INTO COLLECTIONS Group your cards into collections to keep everything neat, searchable, and easy to manage. BUILT FOR SPORTS CARD COLLECTORS From old finds to new pulls, Nulo helps collectors scan, identify, value, and organize sports cards faster. With Nulo, you can: • Scan sports cards in seconds • Identify baseball, football, hockey, basketball, and more • View estimated card values • Save your Snap History • Organize cards into collections • Build a cleaner digital collection Scan. Value. Organize. Your sports card collection, all in one place. Terms of Use: https://nuloai.com/terms-of-use Privacy Policy: https://nuloai.com/privacy-policy

Screenshots

Grammar AI Keyboard4 screens
Nulo4 screens

Verdict

The call

The clearest difference is rating: Grammar AI Keyboard at 4.4 against Nulo's 3.4. Grammar AI Keyboard also leads on review sentiment (77% vs 50%) and update cadence (every 10 days vs every 3 weeks). Nulo's advantage is ads (none vs shown) and device support (3 vs 1). On price, in-app purchases, monetization model and iOS requirement 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. Grammar AI Keyboard sells 10 in-app purchases, starting at $2.99 per 7 days and Nulo sells 8 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 AI Keyboard holds the better App Store score, 4.4 against 3.4. Both are backed by a comparable volume of ratings — 63 and 18 respectively. Written reviews point the same way: 77% of Grammar AI Keyboard's written reviews are positive against 50% of Nulo's.

UpkeepUpdate frequency

Grammar AI Keyboard ships an update every 10 days, Nulo every 3 weeks. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
Grammar AI Keyboard versus Nulo: the parameters behind the verdict, then further details
ParameterGrammar AI KeyboardNulo
PriceFreeFree
Rating4.4 (63 ratings) — better3.4 (18 ratings)
Positive reviews76.7% of reviews — better50.0% of reviews
Number of ratings63 — better18
Update frequencyEvery 10 days — betterEvery 3 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size95 MB132 MB
Age rating4+12+
DeveloperZerovik326 LAB - FZCO

Customer experience

Grammar AI Keyboard

All ratings63 ratings
Positive85.7%
Neutral6.3%
Negative7.9%
Written reviews30 reviews
Positive76.7%
Neutral13.3%
Negative10.0%

Nulo

All ratings18 ratings
Positive61.1%
Neutral0.0%
Negative38.9%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

10 purchases

Grammar AI Keyboard

Subscriptions7
  • Keys AI Premium, Weekly$2.997 Days
  • Keys AI Premium, Weekly3 Days trial$2.997 Days
  • Keys AI Premium, Weekly$7.997 Days
Show 4 more
  • Keys AI Premium, Annual3 Days trial$29.991 Year
  • Keys AI Premium, Annual7 Days trial$29.991 Year
  • Keys AI Premium, Annual6 Months trial$39.991 Year
  • Keys AI Premium, Annual3 Days trial$39.991 Year
One-time3
  • Keys AI Premium, Lifetime$49.99
  • Keys AI Premium, Lifetime$59.99
  • Keys AI Premium, Lifetime$69.99
8 purchases

Nulo

Subscriptions8
  • PRO Weekly$3.997 Days
  • PRO Weekly3 Days trial$3.997 Days
  • PRO Weekly$4.997 Days
Show 5 more
  • PRO Weekly3 Days trial$4.997 Days
  • PRO Yearly$29.991 Year
  • PRO Yearly1 Year trial$29.991 Year
  • PRO Yearly2 variants$39.991 Year
  • PRO Yearly1 Year trial2 variants$39.991 Year

Questions

Is Grammar AI Keyboard free?
Grammar AI Keyboard is free to download, with in-app purchases available.
Is Nulo free?
Nulo is free to download, with in-app purchases available.
Which has better reviews, Grammar AI Keyboard or Nulo?
Grammar AI Keyboard is rated higher. Grammar AI Keyboard averages 4.4 out of 5 from 63 ratings, while Nulo averages 3.4 from 18 ratings.
Do Grammar AI Keyboard or Nulo have ads?
Grammar AI Keyboard shows ads; Nulo does not.
Which is updated more often, Grammar AI Keyboard or Nulo?
Grammar AI Keyboard ships an update every 10 days, and Nulo every 3 weeks. Most recently, Grammar AI Keyboard was updated on October 30, 2026 and Nulo on November 4, 2026.

Other comparisons