Comparison

sliiidea vs Cerebro

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

Head to head
About

sliiidea

Features
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Got a spark of genius? Don't let it slip away! sliiidea is your ultimate tool for capturing, evaluating, and organizing your ideas on the go. Stop collecting ideas in long, confusing lists. Start using sliiidea! This app makes it easy and fun to capture your thoughts whenever inspiration strikes. But here's the best part: with sliiidea, you’ll regularly review, rate, and refine every single idea. This means you'll always know what's a keeper and what's not as great as you first thought. Works great for all kinds of ideas: • Business ideas • Travel destinations • Finding names • Next book to read or movie to watch • Gifts for loved ones • Shopping decisions like which washing machine to buy • Restaurant choices Basically, it’s perfect for every long-term decision. Key Features: • Fast and Easy Idea Logging: Capture ideas in seconds with minimal effort. • Visual and Intuitive Evaluation: Swipe to upvote or downvote ideas. • Comprehensive Overview: Keep track of all your ideas, sorted by ratings or categories. • Effective Idea Management: Easily manage the status of your ideas — open, to implement, discarded, or archived. • Continuous Improvement: Make better decisions with ongoing idea evaluations. So, let’s get started. It’s free! Download sliiidea, collect your ideas, and make well-founded, better long-term decisions.

About

Cerebro

Features
Read full description

Your thoughts deserve better than a folder. Cerebro is an AI-powered thought journal that remembers so you don't have to. Open the app, write what's on your mind, and close it. That's it. Cerebro handles the rest: organizing your thoughts, extracting action items, and bringing forgotten ideas back at the right moment. How it works: - Open the app to a blank editor. Write freely in markdown. - AI silently processes every entry. No chatbot, no conversation. - Todos are extracted automatically from your natural writing. - A living memory document evolves with your thinking over time. - Push notifications resurface forgotten thoughts with context like "You mentioned wanting to learn Rust a week ago. Any progress?" Semantic search that actually works. Type "that creative project idea" and find an entry about building a camera app, even if those exact words never appeared. Cerebro understands meaning, not just keywords. Built for the forgetful. If you've tried journaling apps and abandoned them because organizing felt like a chore, Cerebro is different. There are no folders, no tags, no categories. You write. The AI organizes. Thoughts come back when they matter. Perfect for ADHD minds. Cerebro was built by someone who forgets things. The entire design removes friction: no onboarding, no setup, no maintenance. Just a blinking cursor ready for your next thought. What Cerebro is not: - Not a notes app. You don't organize anything. - Not a chatbot. The AI works silently behind the scenes. - Not a productivity system. It's a thought persistence layer. Start your free trial today. Your best ideas are worth remembering. Terms of Use: https://cerebro.henrypl.com/terms Privacy Policy: https://cerebro.henrypl.com/privacy

Screenshots

sliiidea4 screens
Cerebro4 screens

Verdict

The call

The clearest difference is in-app purchases: sliiidea at none against Cerebro's 2. sliiidea also leads on device support (3 vs 1) and iOS requirement (13.4 vs 26.0). Cerebro's advantage is ads (none vs shown). On price 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. Cerebro sells 2 in-app purchases, starting at $9.99 per month. sliiidea asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 25, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 4 level
sliiidea versus Cerebro: the parameters behind the verdict, then further details
ParametersliiideaCerebro
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.4 — better26.0
Further details — not scored
Size31 MB87 MB
Age rating4+12+
DeveloperpalmioHenry PL, LLC

In-app purchases

None

sliiidea

No in-app purchases

2 purchases

Cerebro

Subscriptions2
  • Cerebro Pro3 Days trial$9.991 Month
  • Cerebro Pro3 Days trial$79.991 Year

Questions

Is sliiidea free?
sliiidea is free to download, with no in-app purchases.
Is Cerebro free?
Cerebro is free to download, with in-app purchases available.
Do sliiidea or Cerebro have ads?
sliiidea shows ads; Cerebro does not.
Which is updated more often, sliiidea or Cerebro?
sliiidea ships an update every 3 weeks, and Cerebro every 3 weeks. Most recently, sliiidea was updated on September 25, 2026 and Cerebro on October 25, 2026.

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