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SPECIFICTION
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Bella vs Mem Agent

Bella

withbella.io

Mem Agent

mem.ai

Side by side

FigureBellaMem Agent
Price from$99/mo$9/mo
Free plan—Yes
Free trialYes—
Open source——
WebYesYes
Windows—Yes
macOSYesYes
iOSYesYes
API—Yes
Plans published410
Spec score · AI Personal Assistants8.6 (#11)9.1 (#5)
PlatformsThe maker lists Web and macOS as available, iOS in open beta, a browser extension in open beta, and Windows and Android as coming soon.Mem offers apps for iOS, Mac, and Windows, plus use in a web browser.
ProductBella describes itself as proactive embedded AI for managing work, personal life, and connected tools.Mem describes itself as an AI thought partner that captures ideas, meetings, and research and helps users retrieve them when needed.
SecurityThe trust page specifies AES-256-GCM encryption at rest and TLS 1.3 in transit, with row-level security on every database table.Mem’s security page says user content is encrypted in transit and at rest, Mem is SOC 2 Type II compliant, and content is unencrypted for AI processing by trusted third-party vendors.

Plans

Bella

  • Communication DNA$99, paid once
  • Essential$99 a month
  • Professional$199 a month
  • Enterprise$399 a month

Bella pricing →

Mem Agent

  • MemPriced on request
  • Mem Plus$9 a month
  • Mem Pro$29 a month
  • Mem Pro 2×$49 a month
  • Mem Pro 5×$99 a month
  • Mem Pro 10×$149 a month
  • Mem Pro 20×$199 a month
  • Extra Usage$50 a month
  • MemFree
  • Mem FreeFree

Mem Agent pricing →

In their own words

Bella

Bella has no write-up on Specifiction yet; its figures are above.

Visit withbella.io

Mem Agent

Mem Agent is an AI thought partner for capturing ideas, meetings and research, then retrieving them when needed. Mem Chat can answer workspace questions, create or update notes, organize them and draft content using workspace context. Deep Search accepts natural-language descriptions of what a user wants to find. Voice Mode records and transcribes meetings or spoken thoughts into structured notes. The Chrome extension captures and summarizes webpages and YouTube videos, organizes clips into collections and lets users edit notes from its popup; it is currently available only for Google Chrome. Mem connects to Google Calendar and Microsoft Outlook, but only displays meetings with two or more guests. It can connect to Claude to search Mem knowledge, save conversations as notes, update documents and organize a workspace. The free plan includes 25 messages and 25 new notes per month, tracking for 25 notes, 15 open tasks and projects, and three Voice Mode hours. Mem Plus costs $9 a month. Content is encrypted in transit and at rest, but is unencrypted for AI processing by trusted third-party vendors. Mem supports one-click exports of notes and collections as Markdown files.

Visit mem.ai