Comparison

Cashflow Engineers vs Certly

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

Head to head
About

Cashflow Engineers

Features
Read full description

This is the educational and communication platform for the Cashflow Engineers investing community. Cashflow Engineers was founded on this simple mission: To educate and empower engineers and high-tech professionals, and arm them with elite investing skills to match their elite technical skills. We pivot away from the broken accumulation model of investing, and embrace the cashflow model of wealth-building, as outlined by Robert Kiyosaki in "Rich Dad Poor Dad". When you join the Cashflow Engineers community, you'll learn all about the easiest, least risky, and most scalable way to build passive cashflow using your investment capital: Building your own portfolio of out-of-state turnkey rental homes. That's right: You don't have to limit your real estate investments to your own overpriced market. You really can live where you want and invest where it makes sense, all while working a successful and demanding career. We will show you how. Follow in the footsteps of many others who rapidly scaled up a portfolio of multiple houses, generating thousands of dollars per month in positive cashflow, all utilizing typical high-tech compensation resources like RSU's and bonuses. IMAGINE... Tapping into multiple sources of affordable, quality houses in attractive markets nationwide. Investing with instant cashflow from day one, with no rehabbing or waiting for rents to rise. Getting all the benefits of real estate as a true passive activity; no dealing with tenants or toilets! Being on the right side of inflation, and actually benefitting from it! Best of all, this can be achieved while working a demanding and successful career, using typical high-tech compensation resources like RSU's & bonuses. Download the app today to learn more, and get free information about how to build passive income through real estate, without diverting time or energy from a demanding high-tech career.

About

Certly

Prepare for AI Architect certification exams with AI-powered study tools. Practice with realistic simulations, detailed explanations, and smart review features. Master key domains and build confidence before test day.

Highlights
  • AI-powered prompt writing drills
  • Study by specific AI domains
  • Realistic exam simulations
  • Detailed answer explanations
  • Spaced repetition review
  • Daily challenges and streaks
  • Quick study mode
Features
Read full description

Practice for all four AI certification exams in one app: Associate, Developer, Architect and Architect Professional. 920 questions, each filed under the domain it tests at the weight the official exam guide publishes. ▸ Pick Your Exam Choose the certification you're sitting and the app follows it: its domains, its weights, its exam length. Switch any time. Each exam keeps its own progress, streak and history. ▸ Practice Exams at Real Length 60 items for the Foundations exams, 63 for Architect Professional, scored 100 to 1000 against the 720 passing line. Multiple-choice and multiple-response items, graded on an exact match with no partial credit, the way the real exam scores them. Change an answer, go back, flag questions to revisit, or end early and score what you have. ▸ Projected Score, Weighted by Domain Your score appears after 20 answers, counts only the exam you're preparing for, and weighs each domain the way the real score report does. ▸ Missed Questions Come Back Get one wrong and it returns the next day. Get it right and it comes back after 3, then 7, then 14 days, until it sticks. ▸ Explanations That Teach Every question explains why the right answer is right and why each wrong one is wrong, naming each option by what it says instead of by a letter. ▸ Prompt Lab Prompt-writing drills graded instantly and offline. Spot the flaw in a weak prompt, build a strong one block by block, or write your own against a precision rubric. ▸ Ten Minutes or One Domain Run ten mixed questions on the way to work, or drill a single domain. ▸ Daily Challenge, Streaks and Achievements A new question every day, accuracy tracked per domain, and milestones as you go. HOW IT WORKS 1. Choose your certification 2. Study by domain, take a quick session, or run a prompt drill 3. Read the explanation on every answer 4. Take a full practice exam when your projected score clears 720 Works offline. Sign in only if you want your answers, practice exams and bookmarks synced across devices. Everything works without an account. Free to use. An optional one-time purchase removes ads. No subscription. Independent study tool. Not affiliated with the exam provider.

Screenshots

Cashflow Engineers2 screens
Certly4 screens

Verdict

The call

The clearest difference is in-app purchases: Cashflow Engineers at none against Certly's 1. Cashflow Engineers also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.2). Certly's advantage is update cadence (every 2 months vs every 5 months). On price and ads there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Certly sells 1 one-off in-app purchase. Cashflow Engineers asks for nothing beyond the download.

UpkeepUpdate frequency

Cashflow Engineers ships an update every 5 months, Certly every 2 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Cashflow Engineers versus Certly: the parameters behind the verdict, then further details
ParameterCashflow EngineersCertly
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 5 monthsEvery 2 months — better
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better26.2
Further details — not scored
Size88 MB13 MB
Age rating4+4+
DeveloperMaestro Marketing LLCGabriel Pevide

In-app purchases

None

Cashflow Engineers

No in-app purchases

1 purchases

Certly

One-time1
  • Remove Ads$4.99

Questions

Is Cashflow Engineers free?
Cashflow Engineers is free to download, with no in-app purchases.
Is Certly free?
Certly is free to download, with in-app purchases available.
Do Cashflow Engineers or Certly have ads?
Both Cashflow Engineers and Certly show ads.
Which is updated more often, Cashflow Engineers or Certly?
Cashflow Engineers ships an update every 5 months, and Certly every 2 months. Most recently, Cashflow Engineers was updated on October 30, 2026 and Certly on October 31, 2026.

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