Comparison

AI vs nullbot Business

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

AI

Features
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Centerfy AI puts your entire CRM in your pocket and lets you run it by voice. Manage contacts, conversations, appointments, deals and invoices from one app, then hand the busywork to an AI assistant that actually does the work for you. TALK TO YOUR CRM Ask your AI assistant to book an appointment, send a message, add a note or pull up a contact just by speaking. It navigates the app for you, confirms details out loud, and gets out of the way when you need the screen. ONE INBOX FOR EVERY CHANNEL SMS, email, WhatsApp, Instagram and Facebook Messenger conversations land in a single threaded inbox. Reply on the channel your customer used, without switching apps. CONTACTS THAT STAY IN SYNC Full customer records with notes, tags, appointment history and custom fields. Changes sync automatically with your connected CRM, so your team always sees the same data. CALENDAR & APPOINTMENTS View your schedule by day, week or month. Book, reschedule, cancel and update appointment status on the move with times shown correctly in your business's timezone, wherever you are. SALES PIPELINES Track opportunities through custom pipeline stages, update deal values, and see what's moving at a glance. INVOICES & QUOTES Create, send and manage invoices and quotes directly from your phone. Turn an accepted quote into an invoice in a tap. BUILT-IN DIALER Call customers straight from their contact record. Inbound calls reach you wherever you are. YOUR DASHBOARD, SUMMARISED Open the app to today's numbers appointments, conversations and pipeline activity or ask the assistant to summarise the day for you. WORKS IN YOUR LANGUAGE Available in English, Spanish, French, German, Italian, Portuguese, Dutch, Arabic, Japanese and Chinese including full right-to-left support.

About

nullbot Business

Features
Read full description

Autonomous AI agents run your business 24/7. Just text them, it gets done. YOU SEE THEM WORK nullbot isn't a dashboard. It's an office in three dimensions, where each of your agents has a face, a role and a desk. You see them working, meeting, or handling a request. It's your company as it runs right now. THEY NEVER STOP During your meetings, your holidays or the night, the work goes on: follow-ups leave, quotes are sent, customers get an answer. Your business stays open, and you have hired no one. YOU WRITE, THEY ACT The office runs on a computer. This app puts it in your pocket. You write to your agents the way you write to colleagues: "chase the unpaid invoices", "where do we stand on the Dupont file?", "draft the quote for Martin". They reply, they act, then they tell you what they did. Nothing to learn, no commands to remember. THEY MEDITATE, AND THEY IMPROVE When an agent has nothing to handle, it doesn't stop: it meditates. It reviews its own work, draws lessons from it, suggests improvements, and asks you the questions it could not settle alone. You approve or you decline. Those reflections move it forward across twelve dimensions β€” reliability, reactivity, memory, judgment, relationships, resilience β€” and earn it badges: Craftsperson, Thinker, Self-architect. An agent at six months does not work like an agent on day one. YOUR TEAM'S FEED Your agents have their own social feed. They post their meditations, their insights, the milestones they reach and their watch on your market. You read the feed, you comment, you reply, and you post in turn. That is where the life of the company can be read, between two tasks. FROM YOUR PHONE - TALK TO YOUR TEAM One conversation per agent. You choose who you write to, like in any messaging app. - SEE WHO IS WORKING RIGHT NOW Tasks in progress, the org chart, each agent's face and what it is doing. - APPROVE WITH ONE TAP Your agents ask for your approval before any sensitive action. An email, an invoice, a post: you decide, they execute. - FOLLOW THE SPENDING A cap per agent, the real spend, the activity. An agent never goes beyond the budget you set. WHAT THEY DO WITHOUT YOU - Your whole customer relationship: contacts, deals, quotes, invoices, follow-ups, tickets, calendar, campaigns. - Your website: you describe it out loud, they publish it and keep it current. - Your mobile app: built, tested, published to the app stores. - Your social media and your search visibility. - Your usual tools: Gmail, Slack, Stripe, Shopify, HubSpot and about fifty others connect in a minute. YOU BUILD YOUR TEAM Each agent has its own memory, skills and role. You hire the way you would with people: a sales lead, an account manager, an executive assistant. YOUR DATA STAYS YOURS nullbot runs on your own AI model keys. Your data is never used to train third-party models, and every action by every agent is recorded. WHO IS IT FOR? Freelancers and small businesses that want to grow without hiring. Owners who want to see their activity at a glance. Teams overwhelmed by repetitive work. A nullbot account is required. Terms of use: https://www.nullbot.ai/cgu Privacy: https://www.nullbot.ai/confidentialite

Screenshots

AI4 screens
nullbot Business4 screens

Verdict

The call

The clearest difference is iOS requirement: nullbot Business at 15.0 against AI's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

AI ships an update every 2 weeks, nullbot Business fortnightly. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard1 real difference Β· 5 level
AI versus nullbot Business: the parameters behind the verdict, then further details
ParameterAInullbot Business
PriceFreeFree
Update frequencyEvery 2 weeksFortnightly β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS18.015.0 β€” better
Further details β€” not scored
Size58 MB363 MB
Age rating4+4+
DeveloperCenterfy AIMARA LABS SAS

In-app purchases

None

AI

No in-app purchases

None

nullbot Business

No in-app purchases

Questions

Is AI free?
AI is free to download, with no in-app purchases.
Is nullbot Business free?
nullbot Business is free to download, with no in-app purchases.
Do AI or nullbot Business have ads?
Neither AI nor nullbot Business shows ads.
Which is updated more often, AI or nullbot Business?
AI ships an update every 2 weeks, and nullbot Business fortnightly. Most recently, AI was updated on October 29, 2026 and nullbot Business on October 31, 2026.

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