Akiflow vs Alpine vs Viktor

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

Visit Akiflow Visit Alpine Visit Viktor Akiflow alternatives Alpine alternatives Viktor alternatives

So which one?

Notis aside, Viktor has the highest checked-evidence score: 53% across 33 vetted rows (all 33). Akiflow: 42% across 33 vetted rows (all 33) and Alpine: 6% across 32 vetted rows; 1 row is not checked yet.

They are not really after the same job, though: Viktor for keeping the product and your data under your own control, Akiflow for remembering context between conversations and Alpine for rolling a shared assistant out to a team.

Cheapest way in is a tie: Notis and Alpine all start at $0.

Nothing here publishes anything on Bring your own API key, Open source and Run it on your own server.

Only Notis publishes anything on iMessage, Telegram, Runs on your own Claude plan and 3 more rows, and only Akiflow on Its own iPhone or Android app and Joins and records your meetings.

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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	AkiflowVisit site	AlpineVisit site	ViktorCompare in depth
Where you can use it
WhatsApp		Aki on WhatsApp	—Not offered	—Tool action, not a channel
iMessage		—	—Not offered	—Not a documented channel
Telegram		—	—Not offered	—Tool action, not a channel
Slack		—	—	Vendor-published Slack app
Email		PartialForward to aki@akiflow.com	—Explicitly not yet built	—No assistant email address
SMS or a phone number	PartialInbound calls only, no SMS	—Phone calls: "Coming soon"	—No phone number provisioned	—No provisioned phone number
Voice messages	Voice notes + live calls	Voice notes, 30+ languages	—Not offered	Recorded voice messages
Web or desktop app	Web and desktop app	Desktop (Mac/Win) + web app	Browser app only	Web app; desktop app referenced
Its own iPhone or Android app	—	iOS + Android app	—No first-party app found	—PWA + Shortcut, no app store listing
Bring your own AI
Runs on your own Claude plan		—	—No provider sign-in	—Credit billing, no Claude sign-in
Runs on your own ChatGPT plan		—	—No provider sign-in	—API key only, not a ChatGPT plan
Bring your own API key	—	—	—Alpine resells usage, no key entry	—Credit system, not third-party keys
Works inside your own coding agent		Publishes mcp.akiflow.com	—Roadmap only	Hosted MCP server, 19 tools
You choose which model runs your work		—	—Not documented	Per-task or saved model choice
What it can do
Ready-made app integrations	1,000+ apps	Partial18 named apps	—No directory; roadmap only	3,200+ named integrations
Creates and edits documents		—	—Docs are human-authored	Persistent Pages and Spaces
Save your own reusable instructions		Aki Workflows	—Not offered	Named, reusable, run by command
Browses the web for you		—	—Search is internal only	Vendor-side browser, real pages
Posts to social media for you		—	—Not offered	Named LinkedIn posting actions
Joins and records your meetings	—	Joins Zoom/Meet/Teams	—Roadmap only	—Admin actions only, no live join
Memory
Remembers you between conversations		Personalized Memory	—Not documented	Cross-thread memory, workspace-wide
Reads your existing files and apps	Notion, Gmail, Drive, Granola, web	18 connected sources	—No external source connectable	OAuth-connected sources, documented flow
Runs without you
Runs on a schedule or a trigger		Aki Workflows on schedule	—Not documented	Scheduled and triggered work
Reminds and nudges you		Daily briefs & reminders	—Not documented	Partial
Computers it can use
Gives it a cloud computer of its own	1h/mo (Pro) to uncapped (Ultra)	—	—No account-owned machine
Controls your own computer	Shell and apps, via the desktop app	—	—No local component	—Explicitly denied, cloud-only
Connects to MCP servers on your computer		—	—Not mentioned	—MCP server is remote/hosted only
Trust & control
Open source	—	—	—No repository or licence published	—No repository or licence published
Run it on your own server	—	—	—Hosted only	—Hosted only, no install path
Says it will not train on your data	Covers Notis and its LLM providers	Not used to train models	—	Covers Viktor and model providers
Published security certification	PartialSub-processors certified; Notis is not	—No SOC 2 / ISO 27001	—'SOC 2 coming soon'	SOC 2 Type 1; ISO 27001 in progress
Plans & support
Free plan does the product's main job	Partial	—No free tier, 7-day trial	Not checkedNot citable (see report)	—Trial credits only, not ongoing
Shared team workspace		Team billing & shared schedules	Organizational accounts + shared billing	Shared workspace credits, no per-seat
Price	FREEPRO$13/moyr (rate on a yearly commitment)+2 more	Team$12/user/moyr (rate on a yearly commitment)Meeting Assistant add-on$19/mo+1 more	Tiers not collected	Team$50/moEnterpriseCustom pricing

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. Viktor

AI employee for Slack and Microsoft Teams

An AI coworker you @mention in Slack or Microsoft Teams that connects to 3,200+ tools and hands back finished work — reports, spreadsheets, decks, code — built in its own Linux sandbox.

Best for: keeping the product and your data under your own control

Documented strengths

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
Where you can use it: Slack, Voice messages and Web or desktop app
Memory: Remembers you between conversations and Reads your existing files and apps

The catch

The checked gap is messaging channels. Nothing published on WhatsApp, iMessage, Telegram, Email, SMS or a phone number and Its own iPhone or Android app.

Pricing

Team$50/moEnterpriseCustom pricing

Free $100 in credits, then $50–$50,000/mo by credit tier; Enterprise custom · no free tier · viktor.com

Who should pick it

Viktor is the one to take when keeping the product and your data under your own control 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: Viktor is optimized for shared Slack work; Notis is private-by-default and available across more personal messaging and local-agent surfaces.

Visit Viktor53% across 33 vetted rows (all 33)

3. Akiflow

Time-blocking planner and calendar with an AI assistant

A task and calendar consolidator with a command bar, an AI assistant (Aki) reachable in-app, on WhatsApp and by email, and an MCP connector, billed per seat.

Best for: remembering context between conversations

Documented strengths

Where you can use it: WhatsApp, 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
Runs without you: Runs on a schedule or a trigger and Reminds and nudges you

The catch

The documented gap is connected tools. We found no published support for Creates and edits documents, Browses the web for you and Posts to social media for you.

Pricing

Team$12/user/moyrMeeting Assistant add-on$19/moPro$19/user/moyr

$12-$34/user/mo (Team: $20 billed monthly / $12/mo billed yearly; Pro: $34 billed monthly / $19/mo billed yearly, 7-day free trial); Meeting Assistant add-on $19/mo · no free tier · akiflow.com

Who should pick it

Worth it for remembering context between conversations: that is what Akiflow is built around. Walk away if you need deep integration with the apps you run on.

Our take on how it differs from Notis: Akiflow centralizes tasks and calendars pulled from other tools into its own planner UI, with an assistant (Aki) you reach mainly inside that app, on WhatsApp, or by email; Notis instead executes directly from the channel a message already arrives in (WhatsApp, iMessage, Telegram, Slack, email, voice) without requiring you to adopt a separate planner interface.

Visit Akiflow42% across 33 vetted rows (all 33)

4. Alpine

All-in-one work suite with built-in AI

A single web workspace for docs, tasks, chat, forum and feed, with AI coworkers that have context across all of it.

Best for: rolling a shared assistant out to a team

Documented strengths

Plans & support: Shared team workspace
Where you can use it: Web or desktop app

The catch

There is no connected tools here at all. Nothing published on Ready-made app integrations, Creates and edits documents, Save your own reusable instructions, Browses the web for you, Posts to social media for you and Joins and records your meetings.

Pricing

Tiers not collected

Free–$250 one-time (Lifetime Access plan) · alpine.inc

Who should pick it

Pick Alpine if rolling a shared assistant out to a team 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: Alpine asks you to move your work into a new browser-based suite that you can only reach through its web app; Notis works across the messaging channels and services already in your day.

Visit Alpine6% across 32 vetted rows; 1 row is not checked yet

Where none of them wins

Nothing on this page publishes anything on Bring your own API key, Open source and Run it on your own server. 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 Viktor, Akiflow or Alpine scores highest in the evidence checked so far?

Viktor, with 53% across 33 vetted rows (all 33). Akiflow: 42% across 33 vetted rows (all 33) and Alpine: 6% across 32 vetted rows; 1 row is 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?

Viktor: Free $100 in credits, then $50–$50,000/mo by credit tier; Enterprise custom; Akiflow: $12-$34/user/mo (Team: $20 billed monthly / $12/mo billed yearly; Pro: $34 billed monthly / $19/mo billed yearly, 7-day free trial); Meeting Assistant add-on $19/mo; Alpine: Free–$250 one-time (Lifetime Access plan). Notis and Alpine all start at $0.

Which of them can I try for free?

Alpine has a free tier and Viktor and Akiflow do not.

Which of them work in Voice messages?

Viktor and Akiflow do. Alpine does not.

What can none of them do?

Not one of them publishes anything on Bring your own API key, Open source and Run it on your own server. 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 (100 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 Viktor specifically: Viktor is optimized for shared Slack work; Notis is private-by-default and available across more personal messaging and local-agent surfaces.

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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