Comparison

Halfmind Todo vs MemexAI

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

Head to head
About

Halfmind Todo

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Halfmind Todo is designed to help you tackle fragmented tasks. By pairing with Halfmind Reminder, an e-ink reminder device, you can be reminded anywhere in your home. You can import todo list from system Reminder and Todoist.

About

MemexAI

This AI-powered personal recorder captures text, photos, and voice, automatically organizing them into structured timeline cards. It discovers patterns and generates insights, allowing you to chat with your records for summaries and connections. All data remains on your device for enhanced privacy.

Highlights
  • Capture text, photos, and voice
  • AI-generated structured timeline cards
  • Automatic tagging and entity extraction
  • Insight generation with charts and narratives
  • Chat with your records for summaries
  • P.A.R.A. methodology organization
  • On-device data storage and privacy
Features
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Memex is an AI-powered personal recorder that runs entirely on your device. Capture text, photos, and voice in one place. A multi-agent AI system automatically turns your raw input into structured timeline cards, discovers patterns, and generates insights you'd never find on your own. CAPTURE ANYTHING, INSTANTLY Type, snap a photo, or long-press to record voice — all in a single input flow AI automatically generates structured timeline cards from every input Auto-tagging, entity extraction, and smart linking between records INSIGHTS THAT SURPRISE YOU Memex doesn't just store — it thinks. Insight cards surface hidden connections across your records: · Charts — trends, radar, bubble, progress rings to visualize patterns · Narratives — key conclusions, comparisons, periodic reviews · Maps & Timelines — reconstruct where and when things happened · Galleries — visual memories from your photos CHAT WITH YOUR RECORDS Ask AI about anything you've captured. Get summaries, find connections, or explore topics across all your cards and notes. ORGANIZED BY DEFAULT Built on the P.A.R.A methodology, your records are automatically structured into Projects, Areas, Resources, and Archives — no manual sorting needed. PRIVACY FIRST All data stays on your device. No cloud uploads, no tracking, no accounts required. Protect your app with biometric authentication. BRING YOUR OWN AI Works with the LLM provider you prefer: · Google Gemini · OpenAI · Anthropic Claude · AWS Bedrock · And more via OpenRouter Start capturing. Let AI do the rest.

Screenshots

Halfmind Todo4 screens
MemexAI4 screens

Verdict

The call

The clearest difference is update cadence: MemexAI at weekly against Halfmind Todo's every 5 weeks. 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Halfmind Todo ships an update every 5 weeks, MemexAI weekly. The most recent releases landed on June 23, 2026 and August 26, 2026 respectively.

Scorecard1 real difference · 9 level
Halfmind Todo versus MemexAI: the parameters behind the verdict, then further details
ParameterHalfmind TodoMemexAI
PriceFreeFree
Rating—5.0 (3 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—3 — better
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.5
Further details — not scored
Size130 MB154 MB
Age rating4+4+
DeveloperHaflmind Technology (Dongguan) Co,. LTD.WeShop.com Limited

In-app purchases

None

Halfmind Todo

No in-app purchases

None

MemexAI

No in-app purchases

Questions

Is Halfmind Todo free?
Halfmind Todo is free to download, with no in-app purchases.
Is MemexAI free?
MemexAI is free to download, with no in-app purchases.
Do Halfmind Todo or MemexAI have ads?
Neither Halfmind Todo nor MemexAI shows ads.
Which is updated more often, Halfmind Todo or MemexAI?
Halfmind Todo ships an update every 5 weeks, and MemexAI weekly. Most recently, Halfmind Todo was updated on June 23, 2026 and MemexAI on August 26, 2026.

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