00 /DOCUMENT · TOOLS
Base44 tools — calculators for cost and migration.
Two free decision-aids for teams evaluating, scaling, or leaving base44. Run the numbers before you commit money, then talk to an engineer if the numbers point to action.
Short answer
Last reviewed · 2026-05-08
Base44Devs publishes two free base44 calculator tools. The base44 cost calculator models the real monthly run-rate of a base44 app — platform subscription, AI builder credits, per-message integration fees, compliance overhead, and projected migration cost if you ever leave — across eight line items. The base44 migration calculator models the payback period of moving your app to Next.js + Supabase or another stack. Both run client-side, neither requires an email, and both are grounded in the 100+ base44 apps the team has shipped or audited. Most teams cross the migration break-even inside four to nine months.
01 /COST CALCULATOR
What does base44 actually cost at our scale?
The cost calculator takes the inputs nobody factors in — credit burn, regression loops, integration fees at MAU scale — and returns a number that matches the invoice.
Most teams underestimate base44 spend by 2-3x because the sticker price is only the platform subscription. The real cost is subscription plus AI builder credits plus per-message integration fees plus engineer time spent restructuring prompts to reduce credit burn plus the projected cost of getting back out. The calculator models all eight line items so the number you walk away with is the number that lands on the invoice — not the one in the marketing page.
Inputs the model takes
- · Team seats and feature-flag tier
- · Monthly AI builder credit consumption (and regression-loop multiplier)
- · Stripe / SendGrid / Twilio per-message volume at projected MAU
- · Compliance overhead (audit cadence + remediation rate)
- · Engineer hours per week on platform-specific work
- · Historical incident rate × revenue at risk
What it returns
- · Monthly run-rate broken out by line item
- · Annual total with a low / expected / high band
- · Vendor lock-in / projected migration cost if you ever leave
- · Credit-burn sensitivity — what each prompt-loop costs you
02 /MIGRATION ROI CALCULATOR
If we left base44, when would the migration pay for itself?
Break-even is rarely an opinion. Plug in spend, traffic, and compliance posture; the model returns the month migration pays for itself.
Migration is rarely about hating the platform. It is about hitting a ceiling — credit burn, SLA gaps, an SSR / SEO requirement the platform cannot meet, or an enterprise deal that demands controls base44 will not sign for. The ROI calculator takes your current monthly base44 spend, your projected target-stack spend (Vercel + Supabase + observability is the default; bring your own stack), the one-time migration cost, and the upside from SLA + SEO + vendor-risk reduction. It returns the break-even month. Most teams cross it inside 4-9 months.
Inputs the model takes
- · Current monthly base44 spend (subscription + credits + integrations)
- · Projected target-stack monthly spend (Vercel + Supabase + observability default)
- · Migration cost — small ($6k), medium ($12k), enterprise ($25k+)
- · SLA / compliance revenue protected by leaving
- · Estimated SEO uplift from SSR (vs base44's CSR-only rendering)
- · Engineer productivity delta after the agent's context window stops being the bottleneck
What it returns
- · Break-even month — when monthly savings exceed migration cost
- · 12-month and 24-month NPV of the migration
- · Sensitivity: how much your assumptions can wobble before payback flips
- · Tier recommendation (small / medium / enterprise) based on table count
03 /WHEN TO USE EACH
Which calculator should you run first?
The two tools answer different questions. The order you run them in depends on whether you are buying or leaving.
START WITH THE COST CALCULATOR
- · You are evaluating base44 for a new app
- · You are budgeting next quarter and the credit line is missing from the spreadsheet
- · Your bill jumped this month and you cannot trace why
- · You are comparing base44 to a hand-rolled Next.js + Supabase stack at the same scope
- · You want a defensible number to bring into a procurement conversation
The output is a monthly run-rate plus a low / expected / high band. If the expected band is comfortable, the rest of this page is academic — stay on base44 and ship.
START WITH THE MIGRATION ROI CALCULATOR
- · You have already run the cost calculator and the number hurts
- · An enterprise deal needs an SLA base44 will not sign for
- · SEO / TTFB is a hard requirement and CSR-only is not viable
- · The AI agent has stopped helping and is now making code worse
- · You are inside 90 days of a renewal and the renewal price moved
The output is a break-even month and a 12 / 24-month NPV. If break-even lands inside 9 months and you have an SLA or SEO pull, migration usually pays. Beyond 18 months, stay.
The order matters. Running the migration ROI calculator without first running the cost calculator gives you a number that is anchored to a guess about your current bill, and the guess is usually 30-50% low. Run cost first, take the expected line, then feed it into the ROI tool. The two calculators chain.
04 /WHAT THESE TOOLS DON'T REPLACE
A calculator is a starting line, not a decision.
We will not pretend a number on a screen replaces an engineer looking at your codebase. Run the math first, then call.
The calculators model averages. They do not see your specific webhook retry storm, the RLS policy that doubles your credit burn on every regenerate, the SSO bypass you may or may not have remediated after the July 2025 disclosures, or the three unrelated bugs that are about to compound into one bad week. That is what a production audit is for.
If the cost calculator says the bill is reasonable but you are still bleeding hours, the bill is not the problem — the architecture is. If the ROI calculator says migration pays back in six months but you cannot picture what gets migrated first, the calculator did its job and a scoping conversation has to do the rest. We charge $497 for the audit and credit it back against any subsequent fix or migration engagement.
The calculators are free, vendor-neutral, and do not gate behind an email. The audit is paid because human time costs money. If you are not ready to talk to an engineer yet, run the numbers, sleep on them, then come back.
05 /FAQ
Questions about the calculators.
Q.01How much does base44 actually cost?
It depends on three numbers: your tier (seats × feature flags), your monthly AI builder credit consumption, and your integration volume. As a rough anchor, a small team writing roughly 200 entities across an app with 10k MAU on Stripe + SendGrid usually lands between $400 and $1,200 per month all-in once credits and integration fees are included. Larger or higher-traffic apps land in the $2,000-$6,000 range. The cost calculator gives you a number for your specific scope rather than a market average.
Q.02Are the calculator outputs accurate?
They are accurate to the inputs you give them. The cost factors are modelled directly from base44's public pricing, observed credit-burn rates across 100+ apps we have shipped or audited, and the integration vendors' published rate cards. The migration ROI tier sizing matches what we actually charge for the work. The numbers will be wrong if your inputs are wrong — garbage in, garbage out — so be honest about credit burn and integration volume.
Q.03Do you store my inputs or email me?
No. The calculators run client-side. We do not require an email address, we do not store inputs server-side, and we do not seed your form data into a marketing automation tool. If you want a custom model with our engineers walking you through the assumptions, that is a separate conversation you can start at /audit or /contact.
Q.04Is migration off base44 worth it?
Sometimes. The honest answer depends on whether you are paying for things base44 gives you (rapid iteration, the AI agent's first-90-days speed, the integrations that ship in the box) or paying for things you no longer need (the AI agent on a stable codebase, the credit ceiling on a high-traffic app, the SLA gap on an enterprise deal). The ROI calculator separates the two. If your break-even is under 9 months and you have an enterprise or SLA pull, migration usually pays. If your break-even is past 18 months and you have no SLA pressure, stay.
Q.05Why don't you have a [specific tool] yet?
Because we only ship a calculator when we have enough first-party data to make it accurate. The cost and ROI tools are grounded in 100+ shipped and audited base44 apps. We are working on a credit-burn forecasting tool and a security-posture self-check; both will land here when the underlying data is solid. If there is a calculation you keep doing on the back of a napkin, tell us at /contact and we will probably build it.
Q.06Can I trust a base44 cost calculator built by a base44 dev shop?
Fair question. The bias would be to make base44 look cheap to drive build work or look expensive to drive migration work. We do both — fix, build, migrate — so neither bias serves us. The calculator outputs a number; what to do about it is the conversation. If the number says stay, we will tell you to stay. The audit tier exists for exactly that scenario.
Q.07What do these tools NOT replace?
Talking to engineers who have shipped on this platform. The calculators are decision-aids, not decisions. They will tell you the bill is too high or the migration pays back in seven months; they will not tell you whether your specific webhook flakiness is fixable in a week or symptomatic of a deeper architecture problem. Run the numbers, then book a $497 audit if the answer points to action.
06 /GET STARTED
Run the numbers, then bring them to a real conversation.
Both calculators are free. The audit is the next step if the numbers say so. We will not upsell you into one if the math says stay.