Best tools to reduce ACOS on Amazon and Flipkart can dramatically improve your profitability. The top ones are Mark8 IQ, Helium 10, SellerApp, Adyogi, and DataHawk - but the real challenge is figuring out which ACOS reducing tool actually works for your business.

If you’re selling on Amazon or Flipkart, you already know how quickly ACOS can get out of control. It’s not just another number you track. It directly impacts whether you’re making money or just cycling revenue.

And right now, that pressure is only increasing.

CPCs are rising. Competition is getting sharper. Marketplace fees already take away 30–40% of your selling price. So even small inefficiencies in your ads can eat into your profits faster than you expect.[Source - PPC Hero]

But the bigger issue isn’t just ad performance. It’s how disconnected everything is. Amazon Ads shows you one version of performance. Flipkart Ads shows another.

You’re left switching between tools, trying to piece together what’s actually happening. And by the time you get clarity, the opportunity to fix things is already gone.

That’s why reducing ACOS today isn’t just about better campaigns - it’s about using the right tools to see the full picture.

In this guide, you’ll find:

• What actually causes ACOS to spike
• The types of tools that help bring it down
• The best tools to reduce ACOS on Amazon and Flipkart
• How to choose the right one based on your growth stage

Comparison: Which ACOS Reducing Tool Should You Choose?

Choosing the right tool depends on what stage you’re at and what problem you’re solving - not just features. Some tools help you fix campaigns, others help you fix the entire business.

What is ACOS and Why Does It Matter?

ACOS (Advertising Cost of Sales) is the metric that tells you how efficiently your ads are generating revenue - and whether your growth is actually profitable. It’s calculated as ACOS = (Ad Spend ÷ Ad Revenue) × 100, so a 30% ACOS means you spend ₹30 to earn ₹100. Sounds reasonable, but this number alone doesn’t show the full picture.

Here’s where it gets real. Let’s say you sell a product for ₹1,000. At 30% ACOS, you’re spending ₹300 on ads. Add marketplace fees (~₹350) and cost of goods + logistics (~₹300), and you’re already at ₹950 in total costs. That leaves just ₹50 in profit - before factoring in discounts, returns, or operational overheads.

Now, if your ACOS increases slightly to 40%, your ad spend becomes ₹400. Your total cost jumps to ₹1,050, which means you’re losing ₹50 on every order. This is exactly why many sellers see strong sales but shrinking margins - the economics don’t support the growth.

The takeaway: a “good ACOS” doesn’t guarantee profitability. What actually matters is how your ACOS fits within your margins and total cost structure. If you’re optimizing ads without this context, you’re not improving performance — you’re just scaling inefficiency.

What Actually Drives High ACOS?

High ACOS doesn’t happen overnight - it’s usually the result of small inefficiencies stacking up across your ads, inventory, and data. If you’re only optimizing bids or tweaking campaigns, you’re likely missing the bigger picture.

In most cases, high ACOS is driven by poor targeting, disconnected data, and decisions made without profitability context.

1. Poor Keyword Targeting

A common mistake is bidding aggressively on high-volume keywords without considering conversion intent.

These keywords bring traffic, but not always buyers. Over time, you end up paying for clicks that don’t convert - which directly pushes your ACOS up without increasing revenue.

2. Lack of Cross-Marketplace Visibility

What works on Amazon doesn’t automatically work on Flipkart. Each platform has different customer behavior, competition, and pricing dynamics.

If you’re running similar strategies across both without platform-specific insights, you’re likely overspending in one place while under-optimizing another.

3. Inventory Misalignment

Running ads without factoring in inventory is a hidden cost driver.

You might be spending on products that are:

• Low in stock
• Already out of stock
• Or have low margins

In all three cases, your ad spend becomes inefficient - either wasted or unprofitable.

4. No Financial Layer

Most tools optimize for ROAS, not actual profit.

That means campaigns can look successful on the surface while still losing money once you factor in fees, costs, and returns. Without a financial layer, you’re optimizing performance - not profitability.

5. Manual Optimization

When your team spends hours pulling reports from different dashboards, decision-making slows down.

By the time you identify what’s not working, you’ve already overspent. Manual workflows don’t just waste time - they delay optimization and increase ACOS.

Types of Tools That Help Reduce ACOS

You don’t just need “a tool,” you need the right type of tool based on the problem you’re solving.

Broadly, ACOS optimization tools fall into three categories - each solving a different layer of the problem.

1. Amazon-Only Optimization Tools

These tools focus on improving performance within Amazon itself. They help you with:

• Keyword research
• PPC campaign optimization
• Listing improvements

If your biggest issue is inefficient targeting or poor listing quality, these tools can help reduce wasted spend and improve conversions.

Limitation: They work in isolation - no visibility into Flipkart or overall business performance. 

2. Ad Automation Platforms

These tools take over the execution layer of your campaigns.

They:

• Automate bidding
• Optimize campaign structures
• Allocate budgets dynamically

This reduces manual effort and improves efficiency at scale, especially if you’re managing multiple campaigns or products.

Limitation: They optimize ads - but don’t connect with inventory or financial data. 

3. Unified Analytics Platforms

This is where things start to change.

These platforms combine:

• Ads data
• Inventory data
• Financial performance
• Operational metrics

Instead of optimizing campaigns in isolation, you get a complete view of what’s actually driving profitability. 

Best Tools to Reduce ACOS on Amazon and Flipkart

The best tools to reduce ACOS aren’t just the ones that optimize ads - they’re the ones that help you connect ads with inventory, margins, and real profitability. If you only fix campaigns, you’ll see small gains. If you fix the entire system, that’s where real ACOS reduction happens.

1. Mark8 IQ  -  Best for Holistic ACOS Reduction Across Marketplaces

If your ACOS problem is coming from fragmented data, this is where you start. Mark8 IQ isn’t just an ads tool. It connects:

• Advertising performance
• Inventory levels
• Financial data
• Marketplace operations

into a single dashboard.

Why it reduces ACOS:

• Identifies financial leakages, not just ad inefficiencies
• Prevents ad spend on low-margin or dead inventory
• Gives a true ROI view across Amazon + Flipkart + Q-commerce

Best for:

• D2C brands scaling across multiple marketplaces
• Agencies managing multiple clients
• Teams struggling with data silos

2. Helium 10  -  Best for Amazon Keyword & Listing Optimization

Helium 10 is one of the most widely used Amazon seller tools.

It focuses heavily on:

• Keyword research
• Product research
• Listing optimization

Why it reduces ACOS:

• Helps target high-converting keywords
• Improves organic ranking, reducing dependency on ads

Limitation:

• Amazon-focused
• No Flipkart or cross-platform visibility

3. SellerApp  -  Budget-Friendly PPC Optimization Tool

SellerApp is popular among smaller sellers due to its pricing.

It offers:

• PPC automation
• Keyword tracking
• Performance analytics

Why it reduces ACOS:

• Automates bid adjustments
• Identifies underperforming campaigns

Limitation:

• Limited depth compared to enterprise tools
• Primarily Amazon-focused

4. Adyogi  -  Best for Ad Automation Across Channels

Adyogi focuses on automating ad campaigns across:

• Amazon
• Google
• Meta

Why it reduces ACOS:

• Automates campaign structure
• Optimizes bids at scale

Limitation:

• Strong on ads, weak on inventory + finance integration

5. DataHawk  -  Enterprise Marketplace Analytics

DataHawk is designed for larger brands.

It provides:

• Marketplace analytics
• Competitive insights
• Custom dashboards

Why it reduces ACOS:

• Deep performance insights
• Data-driven campaign decisions

Limitation:

• Expensive
• Requires data maturity

How to Actually Reduce ACOS (Beyond Tools)?

Tools don’t fix strategy - they enable it. To reduce ACOS consistently:

• Stop optimizing ads in isolation
• Align ad spend with inventory + margins
• Focus on contribution profit, not just ROAS
• Eliminate manual reporting bottlenecks
• Build a single source of truth

Final Takeaway on Reducing ACOS on Amazon and Flipkart

Most sellers try to reduce ACOS on Amazon and Flipkart by tweaking bids, pausing keywords, or adjusting budgets.

That approach only fixes the surface. ACOS isn’t just an ads problem - it’s a data problem. When your ads, inventory, and financial data don’t connect, you end up making decisions in isolation.

The brands that successfully reduce ACOS on Amazon and Flipkart aren’t the ones spending more. They’re the ones making faster, more informed decisions.

And that only happens when your data is unified - not scattered across multiple dashboards.

That’s exactly where platforms like Mark8 IQ come in - by bringing ads, inventory, finance, and operations into a single view, so you’re not just optimizing campaigns, but improving overall profitability.

Frequently Asked Questions [FAQs] on Reducing ACOS on Amazon and Flipkart

What is a good ACOS for Amazon and Flipkart?

A “good” ACOS on Amazon and Flipkart depends on your margins and category. Most profitable sellers aim for 15–30%, adjusting based on growth stage.

Can you reduce ACOS on Amazon and Flipkart without tools?

Yes, but it’s slow and inefficient. Tools help you reduce ACOS on Amazon and Flipkart faster by uncovering insights and enabling real-time optimization.

Which tool is best to reduce ACOS on Amazon and Flipkart for beginners?

If you’re starting out, tools like SellerApp are easier to use. As you scale, platforms like Mark8 IQ help reduce ACOS on Amazon and Flipkart with deeper, cross-marketplace insights.

Why is my ACOS high on Amazon and Flipkart even with good sales?

Because sales don’t equal profit. Even with strong revenue, high ad spend, fees, and costs can hurt margins. To reduce ACOS on Amazon and Flipkart, you need full visibility into profitability - not just ad performance.