Comparison

DevPrep vs DeveloperCards

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

Head to head
About

DevPrep

Features
Read full description

You have the coding skills, but can you explain them clearly under pressure? DevPrep is the Offline-First AI Interview Coach designed specifically for Software Engineers. Stop practicing in your head. Start speaking. DevPrep simulates the pressure of a real interview, records your answer, and uses an advanced on-device AI engine to grade your response against ideal technical answers. WHY DEVPREP? • AI GRADING ENGINE: Our local vector-based AI analyzes your speech for technical accuracy, logic, and clarity. Get a score (0-100) instantly. • PRIVACY & FAST: All grading happens securely on your device. Your voice recording is processed locally. • ZERO FLUFF: 250+ curated questions from the current tech industry standards. 5 SPECIALIZED TRACKS: - SOFT SKILLS & LEADERSHIP - DATA STRUCTURES & ALGORITHMS (pro) - SYSTEM DESIGN ARCHITECT (pro) - MODERN FRONTEND ENGINEERING (pro) - BACKEND & DISTRIBUTED SYSTEMS (pro) FEATURES: - Realistic "Interviewer" Audio to simulate pressure. - "Silent Mode" for practicing on the go (multi-choice questions). - Local progress feature to track your mastery. - Offline-First architecture (Privacy focused).

About

DeveloperCards

Features
Read full description

DeveloperCards: Spaced Recall helps developers build durable understanding of core programming concepts—so you can explain them clearly in interviews and use them correctly in real projects. What you get • Curated concept cards with clear explanations • Practical code examples (Full Stack Questions) • Spaced‑repetition review so you remember long‑term • A concise calendar for preview Who it’s for • Newer entering software development • Developers strengthening fundamentals • Full‑stack interview preparation Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://tartan-tortoise-e81.notion.site/DevCards-Spaced-Recall-Privacy-Policy-2bfa758eb54580db99a3ed89369f9a13

Screenshots

DevPrep4 screens
DeveloperCards4 screens

Verdict

The call

The clearest difference is update cadence: DevPrep at every 2 days against DeveloperCards's every 10 days. On price, ads, in-app purchases and device support 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. DevPrep sells 5 one-off in-app purchases and DeveloperCards sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DevPrep ships an update every 2 days, DeveloperCards every 10 days. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

Scorecard1 real difference · 5 level
DevPrep versus DeveloperCards: the parameters behind the verdict, then further details
ParameterDevPrepDeveloperCards
PriceFreeFree
Update frequencyEvery 2 days — betterEvery 10 days
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.1
Further details — not scored
Size149 MB49 MB
Age rating4+4+
DeveloperThieu KhueTimeAwake Limited

In-app purchases

5 purchases

DevPrep

One-time5
  • Backend Scale pack$9.99
  • Data Structure & Algorithms pack$9.99
  • System Design pack$9.99
Show 2 more
  • Frontend Engineering pack$9.99
  • Unlock all Pro Packs$29.99
1 purchases

DeveloperCards

Subscriptions1
  • DeveloperCards Premium$2.991 Month

Questions

Is DevPrep free?
DevPrep is free to download, with in-app purchases available.
Is DeveloperCards free?
DeveloperCards is free to download, with in-app purchases available.
Do DevPrep or DeveloperCards have ads?
Neither DevPrep nor DeveloperCards shows ads.
Which is updated more often, DevPrep or DeveloperCards?
DevPrep ships an update every 2 days, and DeveloperCards every 10 days. Most recently, DevPrep was updated on September 24, 2026 and DeveloperCards on September 21, 2026.

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