Littlebird vs SPECS Intelligence vs Tanka AI

Verdict

Notis aside, Littlebird has the highest support score, 48% across all 33 rows. SPECS Intelligence scores 30% across 28 checked rows out of 33 and Tanka AI scores 27% across 31 checked rows out of 33.

Their strengths differ: Littlebird for rolling a shared assistant out to a team, SPECS Intelligence for remembering context between conversations and Tanka AI for working inside the apps you already use.

None of them documents Bring your own API key or Open source.

Only Notis documents WhatsApp, iMessage, Telegram and 5 more rows.

Not sure which one fits you?Find your match in two minutes

Capabilities and pricing

Scroll sideways to see every product.

Capability comparison between Notis and the selected assistants
Capability	View pricing	LittlebirdVisit site	SPECS IntelligenceVisit site	Tanka AIVisit site
Where you can use it
WhatsApp		—	—	—
iMessage		—	—	—Not named on any first-party page
Telegram		—	—	—Ingested as a source, not a channel
Slack		—	—	—
Email		Partial	—	—
SMS or a phone number	PartialInbound calls only, no SMS	—	—	—
Voice messages	Voice notes + live calls	Partial	Not checked	Not checked
Web or desktop app	Web and desktop app		Partial	Web app only, no downloadable client
Its own iPhone or Android app	—			iOS + Android, both updated today
Bring your own AI
Runs on your own Claude plan		—	—	—Not offered
Runs on your own ChatGPT plan		—	—	—Not offered
Bring your own API key	—	—	—No own-key setup documented	—Not offered
Works inside your own coding agent			—	—No MCP server or agent plugin published
You choose which model runs your work		—	Not checked	—No model picker documented
What it can do
Ready-made app integrations	1,000+ apps		—	Partial80+ claimed; no browsable directory
Creates and edits documents				Documents, Meeting Notes, Databases
Save your own reusable instructions		Partial	Not checked	Not checked
Browses the web for you		—	Partial	—Not documented
Posts to social media for you		—	—No social posting action documented	—Not documented
Joins and records your meetings	—		Partial	—
Memory
Remembers you between conversations				EverMemOS, unlimited, cross-quarter
Reads your existing files and apps	Notion, Gmail, Drive, Granola, web			8 named sources with a documented flow
Runs without you
Runs on a schedule or a trigger			Partial	Partial
Reminds and nudges you			Not checked	—
Computers it can use
Gives it a cloud computer of its own	1h/mo (Pro) to uncapped (Ultra)	—	—	—Not documented
Controls your own computer	Shell and apps, via the desktop app	—		—Clients are apps, not a local agent
Connects to MCP servers on your computer		Partial	Not checked	—Not documented
Trust & control
Open source	—	—	—Proprietary licence; no repository	—No repository or licence published
Run it on your own server	—	Partial	—	—Hosted service only
Says it will not train on your data	Covers Notis and its LLM providers			PartialScoped to Google Workspace APIs only
Published security certification	PartialSub-processors certified; Notis is not	Partial	—Not stated (checked 2026-09-23)	Partial
Plans & support
Free plan does the product's main job	Partial		Partial	Partial
Shared team workspace			—
Price	FREEPRO$13/moyr (rate on a yearly commitment)+2 more	BasicFreePlus$17/moyr (rate on a yearly commitment)+5 more	Free	FreePlus$22.92/moyr (rate on a yearly commitment)+1 more

IncludedPartial— Not documentedNot checked

Ranked by support score

1. Notis

Personal AI assistant

Notis is a personal AI assistant you message from WhatsApp, iMessage, Telegram, Slack or email, and reach from your own coding agent through its MCP server.

Best for: running on the AI subscription you already pay for

Documented strengths

Where you can use it: WhatsApp, iMessage, Telegram, Slack, Email, Voice messages and Web or desktop app
What it can do: Ready-made app integrations, Creates and edits documents, Save your own reusable instructions, Browses the web for you and Posts to social media for you
Bring your own AI: Runs on your own Claude plan, Runs on your own ChatGPT plan, Works inside your own coding agent and You choose which model runs your work

The catch

The gap is published guarantees about your data, with nothing documented for Open source and Run it on your own server.

Pricing

FREEPRO$13/moyrPRO+$39/moyrULTRA$99/moyr

Free–$149/mo · help.notis.ai

See Notis pricingSupport score: 80% across all 33 rows

2. Littlebird

Screen-aware AI assistant with memory

A Mac and Windows assistant that builds a running memory from your screen, your meetings and connected apps, then answers and acts from that context.

Best for: rolling a shared assistant out to a team

Documented strengths

What it can do: Ready-made app integrations, Creates and edits documents and Joins and records your meetings
Memory: Remembers you between conversations and Reads your existing files and apps
Runs without you: Runs on a schedule or a trigger and Reminds and nudges you

The catch

The gap is a computer it can use, with nothing documented for Gives it a cloud computer of its own and Controls your own computer.

Pricing

BasicFreePlus$17/moyrTeam$17/user/moPower$42/moyrPro$100/moPro 12x$200/moEnterpriseCustom pricing

Free–$200/mo (Plus $20/mo or $17/mo annual; Power $50/mo or $42/mo annual; Pro $100/mo, or $200/mo with 12x usage); Team from $17/seat/mo; Enterprise custom · littlebird.ai

How it differs from Notis: Littlebird passively remembers what happens on screen and in your meetings; Notis is designed for explicit delegation and action across connected services from channels like WhatsApp, iMessage, Telegram, Slack, email and voice.

Visit Littlebird Littlebird alternativesSupport score: 48% across all 33 rows

3. SPECS Intelligence

Anticipatory personal AI assistant for Mac and iPhone

A Mac and iPhone personal assistant, now offered as SPECS Intelligence, that builds context from your connected apps and acts only with your approval; full Mac access is invitation-only, while the free iOS preview is limited to personal insights.

Best for: remembering context between conversations

Documented strengths

Memory: Remembers you between conversations and Reads your existing files and apps
Computers it can use: Controls your own computer
Trust & control: Says it will not train on your data

The catch

The gap is team and plan options, with nothing documented for Shared team workspace.

Pricing

Free

Free limited iOS preview; full Mac access by invitation, pricing unpublished. · newsroom.snap.com

How it differs from Notis: An invitation-only, anticipatory Mac assistant that surfaces suggestions before you ask and acts only with your approval, plus a limited free iOS insights preview; not a multi-channel or team assistant.

Visit SPECS Intelligence SPECS Intelligence alternativesSupport score: 30% across 28 checked rows out of 33

4. Tanka AI

AI agent platform for startups with shared long-term memory (EverMemOS)

An agent platform for startup teams that turns connected chat, mail and files into one shared long-term memory (EverMemOS) its agents read, write and act from.

Best for: working inside the apps you already use

Documented strengths

Memory: Remembers you between conversations and Reads your existing files and apps
Where you can use it: Web or desktop app and Its own iPhone or Android app
Plans & support: Shared team workspace

The catch

The gap is connected tools, with nothing documented for Browses the web for you, Posts to social media for you and Joins and records your meetings.

Pricing

FreePlus$22.92/moyrPro$199/mo

Free–$199/mo (Plus $29/mo or $274.99/yr; Pro $199/mo) · apps.apple.com

How it differs from Notis: Tanka makes team communication itself the memory system and routes tasks between connected apps on its own; Notis is a channel-first assistant that acts across WhatsApp, iMessage, Telegram, Slack, email and voice with an execution layer across model providers.

Visit Tanka AI Tanka AI alternativesSupport score: 27% across 31 checked rows out of 33

Questions about this comparison

Which of Littlebird, SPECS Intelligence or Tanka AI scores highest in the evidence checked so far?

Littlebird, with 48% across all 33 rows. SPECS Intelligence scores 30% across 28 checked rows out of 33 and Tanka AI scores 27% across 31 checked rows out of 33.

How much do they cost?

Littlebird: Free–$200/mo (Plus $20/mo or $17/mo annual; Power $50/mo or $42/mo annual; Pro $100/mo, or $200/mo with 12x usage); Team from $17/seat/mo; Enterprise custom; SPECS Intelligence: Free limited iOS preview; full Mac access by invitation, pricing unpublished; Tanka AI: Free–$199/mo (Plus $29/mo or $274.99/yr; Pro $199/mo). These prices are not directly comparable, so we do not rank them.

Which of them can I try for free?

Littlebird, SPECS Intelligence and Tanka AI have a free tier.

What can none of them do?

None of them documents Bring your own API key or Open source.

Where does Notis fit in?

Notis is number 1 on this page. Against Littlebird: Littlebird passively remembers what happens on screen and in your meetings; Notis is designed for explicit delegation and action across connected services from channels like WhatsApp, iMessage, Telegram, Slack, email and voice.

How we checked

We checked each product's official pages against the same 33 capability rows. The support score is the share of checked rows a product documents. Partial support counts half, and rows not checked yet stay out of the score. Notis chose the rows and is scored the same way. The score does not measure reliability, reply speed or writing quality. Last checked 21 August 2026.

Sources

Delegate your work to Notis

Message Notis on WhatsApp, iMessage, Telegram, Slack or email, and it does the work in the apps you connect.

Start free