Choose Mem if you need
- Mac. We haven't found it on Obsidian's website.
At a glance
- Obsidian has a free plan. We haven't confirmed one for Mem.
- Mem's lowest paid plan is Mem Plus at $9 per month, as of October 28, 2026.
- Obsidian's lowest paid plan is Sync at $4 per user per month, billed annually, as of October 23, 2026.
- Both are available on Windows.
- Only Mem lists Mac.
- Only Obsidian lists macOS, Linux, iOS, Android, CLI and Chrome extension.
- Obsidian has a public API. We haven't confirmed one for Mem.
From each tool's own website, checked on the dates below, and from published reviews.
Which to choose
From the facts checked for both tools, not from opinion. A fact we haven't confirmed for one of them is never counted.
Choose Obsidian if you need
- macOS, Linux, iOS, Android, CLI or Chrome extension. We haven't found them on Mem's website.
Mem
Nobody has reviewed Mem yet. Its rating shows once it has 3 reviews.
Review Mem
Obsidian
Nobody has reviewed Obsidian yet. Its rating shows once it has 3 reviews.
Review ObsidianThe facts
- What it does
- MemMem Agent builds a living picture of your tasks, projects, and goals.
- ObsidianThe free and flexible app for your private thoughts
- Free plan
- MemNot confirmed
- ObsidianYes
- Pricing
- MemNot confirmed
- ObsidianNot confirmed
- Paid plans from
- Mem
What they share
From the platforms and integrations each website lists.
Platforms
Both
- Windows
Only Mem
- Mac
Only Obsidian
- macOS
- Linux
- iOS
- Android
- CLI
- Chrome extension
People who switched
Reviewers who say they used one of these before the other.
No reviewer has said they moved between Mem and Obsidian yet.
Used either of them?
Your review makes this comparison better for the next person. Review Mem or review Obsidian.