Comparison

Aphid vs SecondBrain Pro

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

Head to head
About

Aphid

Create autonomous digital worker versions of yourself to handle online tasks 24/7. Shareable profile links allow your digital clones to manage conversations on your behalf, freeing you from manual labor. Connect with others through the Aphid Network and benefit from AI-driven work.

Highlights
  • Create autonomous digital worker clones
  • Generate shareable profile links for clones
  • Track clone conversation activity
  • Connect with users via the Aphid Network
  • Create an Aphid ID human identifier
Features
Read full description

Clone /klōn/ An Aphid defined term used to describe the digital version of yourself that works online 24/7 freeing you as the human from manual labor. A self-multiplier. Create autonomous digital worker versions of yourself to leverage your time. * Generate shareable profile links for your Clones to handle conversational tasks on your behalf * Track the activity of your Clone conversations * Built for humans of all industries (Real Estate Agent, Influencer, Operator, etc.) * Connect with other users in the Aphid Network by initiating contact with their Clone * Create an Aphid ID as your human identifier behind the AI you control Humanity is now safe with Aphid. Now when AI replaces you, you benefit from the work it conducts on your behalf. Welcome to "A Free Society" Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

SecondBrain Pro

Features
Read full description

Your Personal AI-Augmented Memory SecondBrain helps you capture, organize, and recall your thoughts, ideas, and learnings using voice-first capture and AI-powered search. INSTANT VOICE CAPTURE • Tap to record, automatic transcription • Works on iPhone, Apple Watch, iPad • Background recording for long thoughts • Premium Neural TTS for voice playback AI-POWERED RECALL • Natural language search: "What did I learn about React last week?" • On-device AI chat with your memory context • Temporal queries: "yesterday", "last month", "last summer" • Smart tagging and categorization CHOOSE YOUR STORAGE FREE - Local Only • Store memories on your device • Voice capture with standard TTS • On-device AI chat (10 memory context) • Perfect for getting started STANDARD - CHF 7.99 (One-Time) • Everything in Free + • iCloud Sync across all your Apple devices • Premium Neural TTS voices • Expanded AI context (50 memories) • Export to JSON/Markdown • iPhone ↔ iPad ↔ Watch ↔ Mac sync PREMIUM - CHF 17.99 (One-Time) • Everything in Standard + • Custom CloudFlare Worker backend • AI Auto-Correction of voice input • AI Summarization of search results • Quality Boosting for better relevance • GDPR compliant, EU servers PRIVACY-FIRST • No account required (Free & Standard tiers) • On-device AI processing (iOS 26+ Apple Intelligence) • Optional bring-your-own-backend (Premium) • End-to-end encrypted sync (iCloud) • You own your data, always KEY FEATURES • Voice recognition in multiple languages • Real-time transcription overlay • Memory types: Note, Task, Learning, Decision, Discovery • Tag-based organization • Temporal search ("today", "last week", "last year") • Export your data anytime • Dark mode support • Apple Watch companion app PRICING • FREE: 100 local memories • STANDARD: CHF 7.99 (iCloud Sync, unlimited) • PREMIUM: CHF 17.99 (CloudFlare AI, unlimited)

Screenshots

Aphid4 screens
SecondBrain Pro4 screens

Verdict

The call

The clearest difference is update cadence: Aphid at every 3 weeks against SecondBrain Pro's every 2 months. Aphid also leads on iOS requirement (15.1 vs 17.0). On price, ads, 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. Aphid sells 4 in-app purchases, starting at $9.99 per month and SecondBrain Pro sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Aphid ships an update every 3 weeks, SecondBrain Pro every 2 months. The most recent releases landed on June 11, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 8 level
Aphid versus SecondBrain Pro: the parameters behind the verdict, then further details
ParameterAphidSecondBrain Pro
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size75 MB10 MB
Age rating4+4+
DeveloperAphid AI Inc.Heinrich Krupp

In-app purchases

4 purchases

Aphid

Subscriptions2
  • Aphid : Clone Yourself$9.991 Month
  • Aphid : Clone Yourself$107.991 Year
One-time2
  • Aphid : Clone Yourself$4.99
  • Aphid : Clone Yourself$39.99
2 purchases

SecondBrain Pro

One-time2
  • Standard$7.99
  • SecondBrain PREMIUM$17.99

Questions

Is Aphid free?
Aphid is free to download, with in-app purchases available.
Is SecondBrain Pro free?
SecondBrain Pro is free to download, with in-app purchases available.
Do Aphid or SecondBrain Pro have ads?
Neither Aphid nor SecondBrain Pro shows ads.
Which is updated more often, Aphid or SecondBrain Pro?
Aphid ships an update every 3 weeks, and SecondBrain Pro every 2 months. Most recently, Aphid was updated on June 11, 2026 and SecondBrain Pro on September 17, 2026.

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