At 40 clients spending $5,000 each, Adzooma Gold at $179 a month with unlimited accounts costs $4.48 per client account per month. I have paid more for coffee while waiting for a client’s conversion tracking to verify. That $4.48 does not manage the account. It flags work for someone else to do.

Now put that number beside Opteo’s $129 Basic plan. At five accounts, Opteo costs $25.80 per account and Adzooma costs $35.80. At 40, Opteo needs its $499 Agency tier and costs $12.48 per account; Adzooma falls to $4.48. The cheaper entry price does not stay cheaper per client.

That is the number missing from most pricing-page comparisons: effective monthly cost per account at your actual roster size and spend. A plan price tells you what the invoice says. A per-account price tells you what each client has to carry. Spend caps can reverse a ranking as your roster grows, while percentage-of-spend pricing raises the bill when your clients’ budgets rise. Neither effect shows up in a screenshot of the starter plan.

Method: hold client spend constant, then follow the caps

I compared published pricing for Optmyzr, Opteo, Adalysis, TrueClicks and Adzooma with groas for agencies. The first five are self-serve tools; groas is per-account fulfillment. That difference matters more than a small gap between license prices, so I keep it visible rather than pretending every row buys the same thing. I also include a percentage-of-spend agency fee as a benchmark, not as another software subscription.

The model uses $5,000 in ad spend per client per month throughout. It is an assumption, not a reported average. At five accounts, total spend is $25,000; at 15, it is $75,000; at 40, it is $200,000. For each roster, I use the published monthly tier that holds both the account count and total spend. If spend crosses a cap while account count still fits, the model moves up a tier. I count unlimited accounts at face value and assume three seats. The table excludes annual discounts and free trials.

The linked vendor listings and pricing roundups supply the rates and caps; division supplies the per-account figures. Some listings give estimates rather than exact rate cards. Those entries stay approximate. This is a comparison of published prices under one set of assumptions, not a quote for an agency whose accounts have different budgets or service needs. I used to tell clients the software cost was the license. I was wrong. The cap is part of the cost.

A short subscription-price bar casting a long per-account shadow

Effective monthly cost per client account

Each cell shows monthly cost per account, followed by the monthly invoice used to calculate it. The linked plan names point to the published pricing information. The agency-fee row applies the linked percentage range to each assumed $5,000 client budget; it does not describe a software license.

Tool and plan used5 accounts / $25K total spend15 accounts / $75K total spend40 accounts / $200K total spendPricing constraint
Opteo: Basic → Professional → Agency$25.80 ($129 ÷ 5)$16.60 ($249 ÷ 15)$12.48 ($499 ÷ 40)Account and spend caps
Optmyzr: Starter → Professional → Agency$41.60 ($208 ÷ 5)$27.73 ($416 ÷ 15)$20.80 ($832 ÷ 40)Spend-tiered, with account caps
Adalysis: $149 → $249 → $349$29.80 ($149 ÷ 5)$16.60 ($249 ÷ 15)$8.73 ($349 ÷ 40)Spend-gated; unlimited accounts
TrueClicks: paid tiersAbout $41.60 ($208 ÷ 5)$16.60 ($249 ÷ 15)About $12.50 (about $500 ÷ 40)Free tier at lower spend; paid pricing scales with spend
Adzooma Gold$35.80 ($179 ÷ 5)$11.93 ($179 ÷ 15)$4.48 ($179 ÷ 40)Flat price; unlimited accounts
groas for agencies$299.00 per account$299.00 per account$299.00 per accountFlat per account, per service; five-account minimum
Typical agency fee: 10–20% of spend$500–$1,000 per account$500–$1,000 per account$500–$1,000 per accountFee rises with each client’s spend

Two qualifications keep this table honest. First, TrueClicks has a free plan up to $50,000 in monthly spend. Under this model, the five-account roster fits it. If that plan meets your needs, the cost there is $0, not the roughly $41.60 shown for a paid tier. The table compares paid plans; it does not make the free option disappear. The roughly $12.50 figure at 40 accounts uses the published description of pricing at about 0.25% of spend. Treat it as an estimate, not a guaranteed invoice.

Second, the groas price is $299 per client account per service, regardless of that client’s ad spend. Search Ads plus SEO for one client counts as two services. The table models one service per client. It does not show a $299 license spread across the whole roster, and it would be misleading to rank its $299 beside a $4.48 audit-tool cost without saying what each buys. The tools help a team identify work. groas is fulfillment under the agency’s brand, with bids, budgets, ads and landing pages worked around the clock and changes logged with their reasoning. Price those jobs separately before calling either row cheap.

Birch, formerly Revealbot, has published spend-banded pricing from $49 to $1,799 a month. Madgicx starts around $99, but the draft pricing information does not supply the bands above $30,000 in monthly spend. I cannot assign either an exact cost in all three columns without guessing. Skai’s roughly $114,000 annual starting point and Marin’s custom pricing from around $500 a month are useful context, not comparable quotes for this model. If the cap is not published, the per-account figure is not calculable from published pricing.

Where the ranking flips—and where it does not

At five accounts, Opteo Basic is the lowest-cost paid self-serve option in the table at $25.80 per account. Adzooma Gold is $35.80. At 15 accounts, Adzooma falls to $11.93 and costs less per account than every other paid self-serve row shown. At 40, its $4.48 is less than half Adalysis’s $8.73 and well below Optmyzr’s $20.80.

The mechanism is plain division. Adzooma’s listed $179 stays fixed as the model adds accounts. Opteo, Optmyzr and Adalysis step up when the roster crosses their published spend or account limits. Unlimited accounts help only if spend does not trigger the next invoice. Adalysis, for example, allows unlimited accounts but still moves through spend-based tiers. These results describe the three modeled rosters, not an exact crossover point for every agency.

A price tag beside a tripwire marking a spend-cap threshold

Spend caps also make growth lumpy. Opteo Basic’s $129 plan covers 10 accounts and $25,000 in spend. Five clients spending $5,000 each fill the spend allowance exactly, even though five account slots remain. If one client adds $2,000 of monthly spend, that roster needs the $249 Professional tier in this model. Its software cost moves from $25.80 to $49.80 per account without adding a client. The account-count headline was not the constraint. Spend was.

Adalysis’s $149 tier covers $50,000 in spend, so the modeled five-account roster fits. The 15-account roster spends $75,000 and uses the $249 tier; the 40-account roster spends $200,000 and uses the $349 tier. More accounts still spread each invoice further, but the invoice itself does not stand still. Before buying any apparently flat plan, check what makes it stop being flat.

Percentage-of-spend pricing moves differently. On the typical agency-fee range of 10–20%, a client spending $5,000 carries a $500–$1,000 monthly fee. Raise that client’s budget and the fee rises with it. A spend-scaled tool is a much smaller charge, but it creates the same question: does the next budget increase cross a band or change the rate you pay? That is the structural problem in the percentage-of-spend versus flat-fee comparison. The price moves because the budget moved, not necessarily because anyone did more work.

I have worked on accounts where the client billed most was not the client who needed most of our time. That is not an argument that every percentage fee is bad. It is an argument against treating a growing budget as proof that a growing management bill makes sense. Ask what happens to the invoice when a client grows before you celebrate the low entry price.

A cheap tool still leaves someone doing the work

The $4.48 Adzooma figure is real under the model, but it answers a narrow question: how much does that subscription cost when spread across 40 accounts? It does not price the person who reviews an alert, builds negatives, rewrites ads, fixes tracking or explains the change to a client. I spent enough late nights doing those jobs to know they do not vanish because a dashboard found them first.

That is why a software-only comparison can send an agency to the wrong checkout page. Published white-label fulfillment ranges put AgencyElevation at $200–$500, Invisible PPC at $500–$700, and PPC Ninja at $600–$1,000 per account per month. Those are comparisons for done-for-you work, not evidence that every agency should pay that much or that each provider does identical work. groas at $299 per account per service belongs in that fulfillment conversation. Its price is higher than an audit-tool subscription because the job is different.

The useful test is not whether $299 beats $16.60. It cannot beat it as a license price. The test is whether moving the execution work off your team is worth the difference for that client and service. At 15 accounts in this model, Opteo Professional costs $16.60 per account, leaving a $282.40 gap to groas’s $299 fulfillment price. Compare that gap with the time your team actually spends doing and checking the work. The published prices cannot tell you your labor cost. Your own records can.

Run your roster through the model before signing

Start with the spend column, not an average client

List each client and last month’s spend, then add the column. Check total spend and account count against the same plan before dividing its monthly price by headcount. A five-account demo at $2,000 per client sits comfortably inside Opteo Basic’s $25,000 spend and 10-account limits. A real roster of 15 accounts at $6,000 each totals $90,000 and needs its $249 Professional tier. That is $16.60 per account before anyone acts on a recommendation.

I learned to distrust a tidy average when the spend column told a messier story. One larger client can push the whole roster across a cap. If a vendor calculator asks for account count but not total spend, do the division yourself. If it asks for spend but hides account limits, check those separately. The tier has to hold both.

Price the next good quarter, not just this month

Take your current roster total and double it. Then find the tier that holds the new total and ask what the invoice would be. Under the table’s assumptions, 15 accounts at $5,000 each spend $75,000 and fit Optmyzr Professional at $416, or $27.73 per account. If those same clients each spend $10,000, the roster reaches $150,000 and needs the $832 Agency tier in the published schedule: $55.47 per account. Headcount has not changed. The modeled software bill has doubled.

The same question exposes other tripwires. Opteo moves from $249 Professional to $499 Agency when its $100,000 Professional spend cap is crossed. Adalysis moves beyond its $249 tier when spend crosses $150,000. Ask the vendor for the next threshold and next invoice in writing. If the public pricing does not say, mark the future cost unknown rather than filling the cell with optimism.

The decision the numbers support

The published prices support a narrower, more useful conclusion than “buy the cheapest plan.” At the modeled five-account roster, Opteo has the lowest paid self-serve cost per account shown. At 15 and 40, Adzooma does. Spend increases can change those results again, and a free tier can change the five-account TrueClicks comparison entirely. The table tells you where to ask questions; it does not choose a tool for an agency whose spend and labor are different.

So run the agency pricing-model comparison with two columns of your own: the invoice that holds your real roster, and the work still left on your desk. Then price the next spend tier. If your team has the hours and wants alerting software, the $4.48 modeled Adzooma account is hard to ignore. If you need execution rather than another queue of things to fix, compare autonomous fulfillment with self-serve and agency management on the hours it removes. Buy the $4.48 tool if you have the hours. Buy the $299 account if you want the hours gone.