Beside vs Littlebird vs Tanka AI

The same 33-row checklist and the same rules. Every cell shows vetted official evidence or “Not checked.”

Visit Beside Visit Littlebird Visit Tanka AI Beside alternatives Littlebird alternatives Tanka AI alternatives

So which one?

Notis aside, Littlebird has the highest checked-evidence score: 48% across 33 vetted rows (all 33). Beside: 38% across 33 vetted rows (all 33) and Tanka AI: 27% across 31 vetted rows; 2 rows are not checked yet.

They are not really after the same job, though: Littlebird for rolling a shared assistant out to a team, Beside for remembering context between conversations and Tanka AI for acting inside the apps your business already runs on.

Cheapest way in is a tie: Notis, Littlebird and Tanka AI all start at $0, and only Littlebird has a free plan that does the product's main job.

Nothing here publishes anything on Bring your own API key and Open source.

Only Notis publishes anything on WhatsApp, iMessage, Telegram and 8 more rows.

Not sure which of these is yours?Find your match in two minutesFree, and no email.

The whole grid, row by row

Scroll sideways to compare every product. Feature names stay pinned.

Capability comparison between Notis and the selected assistants
Capability	View pricing	BesideVisit site	LittlebirdVisit site	Tanka AIVisit site
Where you can use it
WhatsApp		—Not in integrations or channels	—	—
iMessage		—Messaging is SMS, not iMessage	—	—Not named on any first-party page
Telegram		—Not among the named integrations	—	—Ingested as a source, not a channel
Slack		—Outbound notifications only	—	—
Email		—Drafts your replies; no inbound address	Partial	—
SMS or a phone number	PartialInbound calls only, no SMS	PartialInbound line only, not a command channel	—	—
Voice messages	Voice notes + live calls	Recorded voice notes, mobile only	Partial	Not checked
Web or desktop app	Web and desktop app	Web app; macOS client deprecated		Web app only, no downloadable client
Its own iPhone or Android app	—	First-party iOS/Android/iPad app		iOS + Android, both updated today
Bring your own AI
Runs on your own Claude plan		—No Anthropic account connection	—	—Not offered
Runs on your own ChatGPT plan		—No OpenAI account connection	—	—Not offered
Bring your own API key	—	—No key entry; not programmable	—	—Not offered
Works inside your own coding agent		—No MCP server, API, or SDK published		—No MCP server or agent plugin published
You choose which model runs your work		—One fixed pipeline, no model picker	—	—No model picker documented
What it can do
Ready-made app integrations	1,000+ apps	Partial17 named apps, Zapier for the rest		Partial80+ claimed; no browsable directory
Creates and edits documents		Auto-creates Notion pages per call		Documents, Meeting Notes, Databases
Save your own reusable instructions			Partial	Not checked
Browses the web for you		—Fetches your own site; no live browsing	—	—Not documented
Posts to social media for you		—Reviews Manager replies to reviews only	—	—Not documented
Joins and records your meetings	—	Manual in-person recorder, mobile only		—
Memory
Remembers you between conversations		Ask Beside AI searches all history		EverMemOS, unlimited, cross-quarter
Reads your existing files and apps	Notion, Gmail, Drive, Granola, web	Gmail/Outlook connected for drafting		8 named sources with a documented flow
Runs without you
Runs on a schedule or a trigger				Partial
Reminds and nudges you		Daily Recap plus configurable Pulses		—
Computers it can use
Gives it a cloud computer of its own	1h/mo (Pro) to uncapped (Ultra)	—Hosted phone/AI backend only	—	—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		—No MCP of any kind	Partial	—Not documented
Trust & control
Open source	—	—No repository linked anywhere	—	—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	Partial		PartialScoped to Google Workspace APIs only
Published security certification	PartialSub-processors certified; Notis is not	—	Partial	Partial
Plans & support
Free plan does the product's main job	Partial	—Trial only, no free tier		Partial
Shared team workspace
Price	FREEPRO$13/moyr (rate on a yearly commitment)+2 more	Beside plan (per seat, App Store/Google Play)$16.67/user/moyr (rate on a yearly commitment)Baseline$29.99/mo+1 more	BasicFreePlus$17/moyr (rate on a yearly commitment)+5 more	FreePlus$22.92/moyr (rate on a yearly commitment)+1 more

IncludedPartial— Not documentedNot checked

The catch with each one

Numbered by support score across vetted capability rows, with incomplete evidence shown on every card. Unknown rows never count as a no, and this is not a score against your answers.

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 long jobs on a machine of its own

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

Official evidence records a gap in published guarantees about your data: no published support for Open source and Run it on your own server.

Pricing

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

Free–$149/mo · help.notis.ai

Who should pick it

Pick Notis if running long jobs on a machine of its own is what decides it for you. Walk away if you need open source, self-hosting or a named certification.

See what those rows cost80% across 33 vetted rows (all 33)

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 checked gap is messaging channels. Nothing published on WhatsApp, iMessage, Telegram, Slack and SMS or a phone number.

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

Who should pick it

Littlebird is the one to take when rolling a shared assistant out to a team is the deciding factor. Walk away if you need it in the other apps you message from.

Our take on 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 Littlebird48% across 33 vetted rows (all 33)

3. Beside

AI business phone and receptionist for local businesses

A business phone line whose AI receptionist answers the calls and texts you miss, books the job, writes the summary, and pushes it into your CRM.

Best for: remembering context between conversations

Documented strengths

What it can do: Creates and edits documents, Save your own reusable instructions and Joins and records your meetings
Where you can use it: Voice messages, Web or desktop app and Its own iPhone or Android app
Memory: Remembers you between conversations and Reads your existing files and apps

The catch

The documented gap is published guarantees about your data. We found no published support for Open source, Run it on your own server and Published security certification.

Pricing

Beside plan (per seat, App Store/Google Play)$16.67/user/moyrBaseline$29.99/moUnlimited$99.99/mo

$29.99-$99.99/mo flat per business, up to 20 seats (extra lines $4.99/mo each); no trial on Baseline, 7-day trial on Unlimited; a separate per-seat 'Beside plan' via App Store/Google Play is $29.99/mo or $199.99/yr (~$16.67/mo) · no free tier · help.beside.com

Who should pick it

Worth it for remembering context between conversations: that is what Beside is built around. Walk away if you need open source, self-hosting or a named certification.

Our take on how it differs from Notis: Beside answers and books your customers' inbound calls and texts; Notis is a general assistant for the buyer's own personal work and cross-tool execution, reachable on channels like WhatsApp, iMessage, and Slack that Beside does not offer.

Visit Beside38% across 33 vetted rows (all 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: acting inside the apps your business already runs on

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

Official evidence records a gap in connected tools: no published support 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

Who should pick it

Pick Tanka AI if acting inside the apps your business already runs on is what decides it for you. Walk away if you need deep integration with the apps you run on.

Our take on 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 AI27% across 31 vetted rows; 2 rows are not checked yet

Where none of them wins

Nothing on this page publishes anything on Bring your own API key and Open source. If one of them is the thing you actually need, none of these is your answer.

One more thing, because a table like this can be read for more than it is worth. It counts what each product documents. It says nothing about how reliable any of them is, how fast it replies, how good its writing is, or what it does when an integration breaks on a Friday night. A lower support score can still be the better daily driver. The only way to know is to put a real week of work through both.

A dash means the capability was not documented on the official pages we checked. Not checked means the evidence is still incomplete.

Questions people ask

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

Littlebird, with 48% across 33 vetted rows (all 33). Beside: 38% across 33 vetted rows (all 33) and Tanka AI: 27% across 31 vetted rows; 2 rows are not checked yet. Unknown rows stay out of the score, so treat this as an evidence status, not a complete market verdict.

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; Beside: $29.99-$99.99/mo flat per business, up to 20 seats (extra lines $4.99/mo each); no trial on Baseline, 7-day trial on Unlimited; a separate per-seat 'Beside plan' via App Store/Google Play is $29.99/mo or $199.99/yr (~$16.67/mo); Tanka AI: Free–$199/mo (Plus $29/mo or $274.99/yr; Pro $199/mo). Notis, Littlebird and Tanka AI all start at $0, and only Littlebird has a free plan that does the product's main job.

Which of them can I try for free?

Littlebird and Tanka AI have a free tier and Beside does not.

What can none of them do?

Not one of them publishes anything on Bring your own API key and Open source. A dash means the capability was not documented on the official pages we checked. Not checked means the evidence is still incomplete.

How was this comparison put together?

We read whatever each product publishes (136 first-party sources across 4 products) and scored all of them on the same 33 rows. Last checked 21 August 2026. A dash means the capability was not documented on the official pages we checked. Not checked means the evidence is still incomplete.

Where does Notis fit in?

At number 1, scored by the same code on the same 33 rows as everything else. Against Littlebird specifically: 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 all this

We read what every product on this page publishes (docs and pricing pages where there are any, the homepage where that is all there is) and checked it against the same 33 buyer-focused rows. A support score uses only rows with an explicit vetted state; every unchecked row remains visible and never becomes a no. Notis chose the questions and is scored by the same rule. Count the links below before you weigh a result; some vendors give us three pages and some give us one. Last checked 21 August 2026. No vendor briefings, no affiliate links, no press releases.

Sources

Spotted something out of date? These things move weekly and we would rather be corrected. Tell us at flo@mindtheflo.com and the row gets rechecked.

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