Comparison

Lett vs Carousel AI Post Maker

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

Head to head
About

Lett

Create engaging Instagram carousel posts by adding long text directly onto your photos and videos. The app automatically splits your story across slides, ensuring your message is always clear and perfectly aligned.

Highlights
  • Add long text to carousel posts
  • Place text on photos and videos
  • Automatic text splitting across slides
  • Smart backdrop for text readability
  • Precise text alignment
  • Fast and seamless creation
Features
Read full description

Social networks like Instagram make sharing long stories hard. Lett makes it effortless. Tired of captions getting cut short with …more? With Lett, you can finally tell the whole story across your carousel posts. Add text directly on photos and videos, keep your words flowing from frame to frame, and make them as powerful as your images. Add Long Text, Turned into a Carousel Write once, Lett auto-splits your story by paragraphs and keeps it flowing across every slide. Put Text on Photos & Videos Say it right where it matters - on top of your media. Always Readable with Smart Backdrop Your text stays clear no matter if the background is light or dark. Perfect Alignment Every Time No more text jumping around. Your posts look clean and professional. Fast & Seamless Creation No hacks, no workarounds. Just create and post in minutes. Your story deserves better than …more. Start creating with Lett today. TERMS https://lett.cc/terms PRIVACY https://lett.cc/privacy

About

Carousel AI Post Maker

Transform ideas into engaging social media carousel posts, captions, and scripts using AI. Simply speak or type your concept, and the tool generates ready-to-publish content for various platforms. Ideal for creators and marketers seeking to boost their online presence efficiently.

Highlights
  • AI content generation
  • Voice to text conversion
  • Carousel post creation
  • Caption and script writing
  • Content idea generation
  • Professional templates
Features
Read full description

Turn your ideas into engaging carousel posts in seconds. This AI content creator helps you generate social media posts, carousels, hooks, and captions for Instagram, LinkedIn, and other platforms. Simply speak or type your idea and let AI turn it into ready-to-post content. Perfect for creators, marketers, entrepreneurs, and anyone who wants to publish consistently without spending hours writing and designing. CREATE CONTENT IN SECONDS Transform one idea into multiple posts. Generate structured carousels, engaging captions, and viral hooks designed to capture attention and keep people scrolling. No design experience required. VOICE TO CONTENT Record your idea and instantly turn it into structured social media content. AI converts your voice into posts, captions, and carousel slides so you can create content anywhere. Great for capturing ideas on the go. AI CONTENT GENERATION Generate different types of content from a single idea: • Instagram carousel posts • Social media captions • Reel and TikTok scripts • X / Threads posts • Hooks and content ideas • Educational carousel slides PROFESSIONAL TEMPLATES Choose from modern carousel layouts optimized for readability and engagement. Every template is designed to help your posts stand out in the feed. Customize text, structure, and style to match your brand. CONTENT IDEAS WHEN YOU NEED THEM Running out of ideas? AI generates new post topics, hooks, and content angles based on your niche. Quickly explore new ideas and turn them into posts in seconds. BUILT FOR CREATORS Perfect for: • Instagram creators • LinkedIn professionals • Social media managers • Coaches and educators • Entrepreneurs and small businesses Carousel AI Pro – Unlock Full Access Free version includes 3 AI generations to get you started. Upgrade to Pro for unlimited access: - Unlimited AI Generations — create as many carousels, hooks, threads and posts as you need Subscription options: - Weekly - Monthly - Payment is charged to your Apple ID account at confirmation of purchase - Subscription automatically renews unless cancelled at least 24 hours before the end of the current period - Manage or cancel your subscription in App Store Account Settings - Any unused portion of a free trial period will be forfeited when purchasing a subscription Create more content with less effort and stay consistent on social media. Terms of Use: https://sites.google.com/view/carouselaiapp/terms-of-use Privacy Policy: https://sites.google.com/view/carouselaiapp/privacy-policy

Screenshots

Lett4 screens
Carousel AI Post Maker4 screens

Verdict

The call

The clearest difference is review sentiment: Carousel AI Post Maker at 100% against Lett's 47%. Carousel AI Post Maker also leads on rating (5.0 vs 4.7). Lett's advantage is ratings volume (6 vs 1). On price, update cadence, 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. Lett sells 7 in-app purchases, starting at $1.99 per 7 days and Carousel AI Post Maker sells 4 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Carousel AI Post Maker holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Lett has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 47% of Lett's written reviews are positive against 100% of Carousel AI Post Maker's.

UpkeepUpdate frequency

Lett ships an update every 5 days, Carousel AI Post Maker weekly. The most recent releases landed on September 27, 2026 and September 7, 2026 respectively.

Scorecard3 real differences · 7 level
Lett versus Carousel AI Post Maker: the parameters behind the verdict, then further details
ParameterLettCarousel AI Post Maker
PriceFreeFree
Rating4.7 (6 ratings)5.0 (1 ratings) — better
Positive reviews47.4% of reviews100.0% of reviews — better
Number of ratings6 — better1
Update frequencyEvery 5 days — betterWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size107 MB16 MB
Age rating4+4+
DeveloperSergey MoshkovUladzislau Nasonau

Customer experience

Lett

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%
Written reviews19 reviews
Positive47.4%
Neutral21.1%
Negative31.6%

Carousel AI Post Maker

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

In-app purchases

7 purchases

Lett

Subscriptions7
  • Lett Premium: Text Carousels$1.997 Days
  • Lett Premium: Text Carousels$2.997 Days
  • Lett Premium: Text Carousels3 Days trial$3.991 Month
Show 4 more
  • Lett Premium: Text Carousels3 Days trial$5.991 Month
  • Lett Premium: Text Carousels3 Days trial$17.993 Months
  • Lett Premium IG Text Carousel3 Days trial$29.991 Year
  • Lett Premium: Text Carousels3 Days trial$49.991 Year
4 purchases

Carousel AI Post Maker

Subscriptions4
  • Week$7.997 Days
  • Week3 Days trial$7.997 Days
  • Month$14.991 Month
Show 1 more
  • Month subscription3 Days trial$14.991 Month

Questions

Is Lett free?
Lett is free to download, with in-app purchases available.
Is Carousel AI Post Maker free?
Carousel AI Post Maker is free to download, with in-app purchases available.
Which has better reviews, Lett or Carousel AI Post Maker?
Carousel AI Post Maker is rated higher. Lett averages 4.7 out of 5 from 6 ratings, while Carousel AI Post Maker averages 5.0 from 1 ratings.
Do Lett or Carousel AI Post Maker have ads?
Neither Lett nor Carousel AI Post Maker shows ads.
Which is updated more often, Lett or Carousel AI Post Maker?
Lett ships an update every 5 days, and Carousel AI Post Maker weekly. Most recently, Lett was updated on September 27, 2026 and Carousel AI Post Maker on September 7, 2026.

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