Comparison

Cover Art AI vs Thumby AI Thumbnail Post Maker

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

Head to head
About

Cover Art AI

Easily create professional-looking thumbnails for your videos with a vast library of templates, customizable text, and high-quality graphics. No prior design experience is needed to make your content stand out and attract more viewers.

Highlights
  • Predesigned templates for various niches
  • Customizable text styles and colors
  • High-quality graphics and stickers
  • Multiple backgrounds and effects
  • Drag and drop interface
  • Instant preview and easy saving/sharing
Features
Read full description

Create Stunning and High-Quality Thumbnails in Minutes The Thumbnail Maker app is a powerful and easy-to-use application that has been designed for content creators who want to create professional and qualitative thumbnails for their social media videos. It doesn’t matter whether you’re an experienced vlogger or are just starting your career; you can get all the help you need for designing unique and relevant thumbnails without having any kind of expertise. Features that Set Our Thumbnail Maker Apart ►PREDESIGNED TEMPLATES Our thumbnail maker offers a huge variety of predesigned templates for different categories. You can choose the template that aligns with the category of your videos. You can find thumbnails for daily vlogs, tutorials, guides, tech reviews, nature, gaming, and plenty of other niches. ►CUSTOMIZABLE TEXT STYLES Our thumbnail maker allows you to personalize text on your selected thumbnail design. You can use bold, italic, and also change the font style on the thumbnail image. Moreover, our app also allows users to change text style and colors and even add shadow effects so that the message of your video stands out. ►HIGH-QUALITY GRAPHICS Users of our thumbnail maker can also get access to a huge library of stickers and other graphic elements. One can add logos, emojis, icons, and other visual symbols through which one can easily create unique thumbnails that would truly represent your channel/brand. ►MULTIPLE BACKGROUNDS & EFFECTS Our thumbnail maker comes with an extensive collection of high-quality backgrounds. Whether you prefer using solid colors, scenic images, or gradients, you can choose an ideal background for your videos. ►DRAG AND DROP FEATURE Users can use the simple drag-and-drop feature to add, remove, or edit different elements on the thumbnail. No advanced skills or experience is required to create custom thumbnails with this app. ►INSTANT PREVIEW Once the editing and personalizing process is complete, you can easily ensure that your thumbnails look perfect before exporting them. Through the instant preview option, you can make last-minute adjustments to ensure maximum impact. ►EASY SAVING AND SHARING Once you’re happy with your design, you can simply save it to your device or share it directly. The app also supports exporting in various formats, so you can easily upload your thumbnails to other platforms or edit them later. Thumbnail Maker: Perfect for Creators of All Levels Whether you’re a new vlogger or digital marketer trying to make your channel stand out or an experienced content creator who wants to refresh your branding, Thumbnail Maker gives you the tools you need to create thumbnails that drive clicks and boost views. Why Choose Thumbnail Maker? • Simple and easy to use for even new users. • Availability of 1000+ fresh and trendy templates. • Everything you need to create the perfect thumbnail in one app. • Increase views with professional, attractive thumbnails that stand out. • Design and customize thumbnails within minutes. Subscription Options The thumbnail maker comes with a freemium model. Users can get the weekly plan or the annual plan and enjoy full access till the expiry of their subscription. Payment will be charged to the default Apple account upon purchase confirmation and will automatically renew at the selected duration and price unless auto-renewal is turned off before the current period ends. You cannot cancel the current subscription during the active period, but you can manage your subscription and/or turn off auto-renewal in your Apple Account Settings after purchase. Download Thumbnail Maker Today and Start Designing Thumbnails That’ll Get Noticed! Support URL:https://www.trostun.com/contact-us/ Terms of Use: https://www.trostun.com/terms-of-use/

About

Thumby AI Thumbnail Post Maker

Create eye-catching thumbnails and social media art with AI. Describe your idea, choose a style, and generate professional visuals in minutes. Pay only for the images you create, with no subscription required.

Highlights
  • AI-generated thumbnails
  • Customizable styles
  • Chat-based design
  • Instagram posts and stories
  • Pinterest pins
  • Pay-as-you-go credits
  • Image upscaling
Features
Read full description

One line of text → a finished, click-worthy thumbnail in about a minute. • 30+ styles modeled on top creators in your niche — gaming, kids, food, tech, vlog, finance, true-crime • Don't love the first result? Regenerate, switch styles, or tweak with one more line — until it's yours • Credits, not a subscription — start free, then buy credits from $14.99 one-time when you need them. They never expire. 1 credit = 1 thumbnail • Not just YouTube thumbnails: Pinterest pins, carousels, story covers & post art WHY CREATORS SWITCH TO THUMBY Built on what works in your niche Most tools hand you a blank canvas or a blank prompt. Thumby starts from a curated library of looks reverse-engineered from the creators who already win the click — gaming, kids, food, tech, vlog, finance, true-crime and more. You're not guessing what a good thumbnail looks like. You're starting from one. Match a top creator's style in one tap Pick a niche style and Thumby applies its whole visual recipe — composition, contrast, lighting, framing. No prompt engineering, no design degree. Tap, describe, done. Your face, every style Add a photo and Thumby keeps your face consistent across every thumbnail and style, so your channel looks like you. CTR rules baked in Every result follows current best practice — one clear focal subject, bold readable text, mobile-first contrast — so even your first thumbnail comes out tuned to get clicks. Keep what you make Start with 3 free credits on signup — no card required. Every output is yours, commercial use included. HOW IT WORKS 1. Describe your video idea. 2. Pick a niche style (or upload your own look). 3. Get a finished thumbnail in about a minute. Download, or remix into Instagram, Pinterest and carousel formats. Make YouTube thumbnails, Instagram posts and stories, Pinterest pins and carousels — all from one idea, all without a subscription. Download Thumby and make your next thumbnail in about a minute.

Screenshots

Cover Art AI4 screens
Thumby AI Thumbnail Post Maker4 screens

Verdict

The call

The clearest difference is device support: Cover Art AI at 3 against Thumby AI Thumbnail Post Maker's 1. Cover Art AI also leads on iOS requirement (14.0 vs 26.0). On price, rating, ratings volume and update cadence 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. Cover Art AI sells 2 in-app purchases, starting at $3.99 per 7 days and Thumby AI Thumbnail Post Maker sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Cover Art AI against 5.0 for Thumby AI Thumbnail Post Maker. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

UpkeepUpdate frequency

Cover Art AI ships an update every 6 days, Thumby AI Thumbnail Post Maker weekly. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

Scorecard2 real differences · 7 level
Cover Art AI versus Thumby AI Thumbnail Post Maker: the parameters behind the verdict, then further details
ParameterCover Art AIThumby AI Thumbnail Post Maker
PriceFreeFree
Rating5.0 (6 ratings)5.0 (4 ratings)
Number of ratings6 — better4
Update frequencyEvery 6 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS14.0 — better26.0
Further details — not scored
Size34 MB9 MB
Age rating4+4+
DeveloperDzine MediaVTA GOODS LLC

Customer experience

Cover Art AI

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Thumby AI Thumbnail Post Maker

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

Cover Art AI

Subscriptions2
  • Weekly Plan$3.997 Days
  • Yearly Plan3 Days trial$19.991 Year
3 purchases

Thumby AI Thumbnail Post Maker

One-time3
  • Starter — 30 Credits$14.99
  • Creator — 120 Credits$49.99
  • Pro — 300 Credits$99.99

Questions

Is Cover Art AI free?
Cover Art AI is free to download, with in-app purchases available.
Is Thumby AI Thumbnail Post Maker free?
Thumby AI Thumbnail Post Maker is free to download, with in-app purchases available.
Which has better reviews, Cover Art AI or Thumby AI Thumbnail Post Maker?
Cover Art AI and Thumby AI Thumbnail Post Maker are both rated 5.0 out of 5 on the App Store, from 6 and 4 ratings respectively.
Do Cover Art AI or Thumby AI Thumbnail Post Maker have ads?
Neither Cover Art AI nor Thumby AI Thumbnail Post Maker shows ads.
Which is updated more often, Cover Art AI or Thumby AI Thumbnail Post Maker?
Cover Art AI ships an update every 6 days, and Thumby AI Thumbnail Post Maker weekly. Most recently, Cover Art AI was updated on October 24, 2026 and Thumby AI Thumbnail Post Maker on October 15, 2026.

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