Software Alternatives & Startups
Register | Login

BigSpy VS DevFinanceTools

Compare BigSpy VS DevFinanceTools and see what are their differences

BigSpy

BigSpy - It is #1 FREE Facebook ad spy, Instagram ads spy, Yahoo, Twitter and TikTok adspy tool, with almost 1 billion of Ads, 10K Ads updated hourly. You could get trending, latest ideas from the Facebook Ad transparency .

Rating
5.0 · 2 reviews
Pricing
Open source Freemium $9 / Usage
Alternatives Is it good?
DevFinanceTools

Free, no-signup calculators for the money side of building software and freelancing

Rating
0 reviews
Pricing
Free
Alternatives Is it good?
AeroDataBox
Aviation and flight API tailored for SMBs and individual developers, offering flight status, schedules, aircraft and airport data, statistics, historical data and more. Seamless REST/web hook integration via API marketplaces at affordable rates. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, BigSpy seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
1 vs 0
Advertising popularity
100% vs 0%
alternatives listed
147 vs 8

Base details

Website, pricing, platforms and company facts side by side.

BigSpy
DevFinanceTools
Website bigspy.com devfinancetools.com
Pricing
Open source Freemium $9 / Usage Official pricing
Free Official pricing
Platforms
Web
—
Company Startup from China · 20 - 49 employees · 2018 2026
Listed in
Marketing Ad Spy Analytics Advertising Marketing Automation Online Marketplace Facebook Automation Tools +4
Developer Tools Calculators Finance Saas Tools +1

About BigSpy and DevFinanceTools

In their own words, as submitted to SaaSHub.

BigSpy
DevFinanceTools

Bigspy is having a huge database that almost covers every ad type, niche and also any country. It has more than 1,000,000,000 ads from more than 40 countries and regions and more than 40 ad types and is growing. You can easily social media ads And funnels in a matter of seconds. Bigspy also...

Read more about BigSpy

DevFinanceTools is a collection of free, no-signup calculators for the money side of building software and freelancing. Everything runs in your browser — no account, no tracking beyond basic page-view analytics — and every tool shows its formulas and benchmarks so you can check the maths...

Read more about DevFinanceTools

Features and specs

What each product offers, as listed by its team.

BigSpy 5 features
DevFinanceTools 5 features
  • Comprehensive Ad Database
    BigSpy offers a vast database of ads from different platforms, making it easy for users to find and analyze a wide variety of advertisements across industries.
  • User-friendly Interface
    The platform provides an intuitive and easy-to-navigate interface, which helps users quickly discover and utilize the tools necessary for their ad research.
  • Competitor Analysis
    BigSpy allows users to track and analyze competitors' ads, providing insights into competitors’ strategies and helping inform a user's advertising approach.
  • Advanced Filters
    Users can apply advanced filtering options to narrow down ad searches by platform, engagement level, date range, and more, allowing for more targeted analysis.
  • Cost-Effectiveness
    The tool is offered at competitive pricing, providing good value for both individual users and businesses looking to gain insights into digital advertising.

Possible disadvantages

  • Limited Data Access for Free Users
    Free versions of the tool offer limited access to the ad database, which may not be sufficient for users requiring in-depth research.
  • Reliability Issues
    Some users have reported occasional discrepancies in data accuracy and reliability, which can affect the quality of insights drawn from the platform.
  • Customer Support
    There have been reports about delayed response times from customer support, which can be frustrating for users encountering problems.
  • Learning Curve for Advanced Features
    While the basic features are easy to use, some advanced features may require a learning period, which can be a hurdle for new users.
  • Limited Platforms
    Although BigSpy covers a range of platforms, it may not include all the social or ad networks a user needs, limiting comprehensive ad analysis.
  • Developer-Focused Tools
    The platform appears to offer financial calculation and management tools specifically tailored for developers, making it easier to integrate financial logic into applications without starting from scratch.
  • Convenience
    Having a centralized set of tools for financial calculations can save development time compared to building custom solutions for common financial tasks.
  • Niche Specialization
    By focusing specifically on finance-related tools for developers, the platform may offer more relevant and specialized features compared to general-purpose tool aggregators.
  • Potential Time Savings
    Pre-built tools can reduce the time developers spend researching, building, and testing financial calculation logic, allowing faster project completion.
  • Accessibility
    Web-based tools are typically accessible from any device with a browser, making it convenient for developers to use them without installing additional software.

Videos

Walkthroughs and reviews on video.

BigSpy 3 videos + Add
DevFinanceTools 0 videos + Add

BigSpy Review - How to spy on ads ★★★ #1-Ads Spy Tool

More videos

  • - BigSpy Review - How To Spy on Your Competitor's Ads | Facebook Ads Tutorial For Beginners , Ecom etc
  • - 🕵️‍♀️ {Honest} Affiliate Review of BigSpy

No DevFinanceTools videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
BigSpy
DevFinanceTools
100% 100%
Advertising
0% 0%
0% 0%
Saas Tools
100% 100%
100% 100%
Marketing
0% 0%
0% 0%
Finance
100% 100%

Questions & Answers

As answered by people managing BigSpy and DevFinanceTools.

What makes your product unique?

BigSpy's answer

  • Wide coverage: Supports major platforms such as Facebook, Instagram, AdMob, TikTok, YouTube, X, and more.
  • Massive Data: Possesses over 1 billion advertising data points.
  • Strong filtering capabilities: Equipped with multi-dimensional filtering capabilities, enabling quick identification of the ads users wish to view.

Why should a person choose your product over its competitors?

BigSpy's answer

  • BigSpy supports more platforms, covering mainstream advertising platforms such as Facebook, Instagram, AdMob, TikTok, YouTube, and X.
  • BigSpy has a massive database, and the number of ads it has collected has exceeded 1 billion.
  • BigSpy’s pricing is highly competitive, and it is available to free users as well.

How would you describe the primary audience of your product?

BigSpy's answer

  • Advertising creators who need to produce advertisements.
  • Decision-makers who need to formulate operational strategies.
  • Operators who need to research market conditions.
  • Sellers who need to tap into the potential e-commerce market.
  • Advertisers who need to track the performance of their ad placements.

Which are the primary technologies used for building your product?

BigSpy's answer

Python, SQL, Vue, Elasticsearch, Redis ...

What's the story behind your product?

BigSpy's answer

For the struggles, I think it has always been differentiation. In today’s industry, it is not enough to have a good solid product. It is important to outwit and outdo the competition to rise in a competitive marketplace. Therefore, we have been working on data collection, accuracy, and modeling optimization to acquire users and outcompete others. We hope to help our customers achieve at BigSpy; we’re constantly reminded of it.

Who are some of the biggest customers of your product?

BigSpy's answer

KILO.HEALTH, WELLECH, BRIO, LEEDIA, AVN ...

User comments

Share your experience with using BigSpy and DevFinanceTools. For example, how are they different and which one is better?

Log in or Post with

Reviews and articles

External articles and on-site reviews we used to compare the two products.

BigSpy 5.0 · 2 reviews
DevFinanceTools no reviews yet
  • A game-changer for finding winning products 🚀
    SaaSHub review
    · Dec 2025

    I've tried several ad spy tools, but BigSpy offers the best value for money. The database is massive—especially for Facebook and TikTok ads. It saves me hours of manual research and helps me spot trending products...

  • A huge database of ads
    SaaSHub review
    · Mar 2020

    It has a huge database of ads on several social platforms, like Facebook, Instagram, Twitter, AdMob, Pinterest, and Yahoo, so we can check different ads for ads inspiration. Also, we can spy on competitors and track...

We have no reviews of DevFinanceTools yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

BigSpy 1 mention
DevFinanceTools 0 mentions

Tracking DevFinanceTools since Aug 2026.

Alternatives to BigSpy and DevFinanceTools

When comparing BigSpy and DevFinanceTools, you can also consider the following products.

Loading...