DevPrep vs Last Days Devs
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
DevPrep
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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? โข AI GRADING ENGINE: Our local vector-based AI analyzes your speech for technical accuracy, logic, and clarity. Get a score (0-100) instantly. โข PRIVACY & FAST: All grading happens securely on your device. Your voice recording is processed locally. โข 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).
Last Days Devs
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Whether or not it is the last days for devs, we will be devs. Stop losing precious learning time to spotty WiFi and buffering videos. Last Days Devs is the developer learning platform built for how you actually live โ on the subway, in waiting rooms, during lunch breaks, or anywhere life takes you. Download once and learn forever, with zero internet required. Passive video watching doesn't build skills. Our method does: - 1,750+ bite-sized lessons you can finish in 5-10 minutes - 15,000+ practice questions that test real understanding - Multiple formats: code output, fill-in-blank, multiple choice - Instant feedback and detailed explanations LANGUAGES Python, JavaScript, TypeScript, Java, C#, Go, Rust, Ruby FRAMEWORKS React, Vue.js, Angular, Next.js, Spring Boot, ASP.NET Core, Blazor, NET MAUI DEVOPS & TOOLS Docker & Kubernetes, Git, Terminal Mastery CAREER PREP Algorithms & Data Structures, System Design, Interview Mastery MODERN SKILLS Prompt Engineering, Database Design, CSS & Tailwind 300+ IN-DEPTH READING RESOURCES Deep-dive guides on React patterns, authentication, Rust, C#, .NET frameworks, and more all available offline. START FREE, NO TRICKS Five complete tracks are 100% free, forever: - Python - JavaScript - React - Java - CSS No trial periods. No credit card required. No "first lesson free" bait-and-switch. UPGRADE WHEN YOU'RE READY Last Days Devs Pro unlocks all 55 tracks, including advanced frameworks, interview preparation, and emerging skills like Prompt Engineering. BUILT FOR REAL LIFE - Works on planes, trains, and anywhere without WiFi - Pick up exactly where you left off - Track your progress across all courses - Dark mode for late-night study sessions WHO THIS IS FOR - Career changers breaking into tech - Bootcamp grads filling knowledge gaps - Self-taught developers going deeper - Interview candidates who need to practice - Professionals learning new stacks - Anyone tired of coding apps that need constant internet Your commute. Your lunch break. Your time. Make it count. Download Last Days Devs and start learning today Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://docs.google.com/document/d/1cHQ6ijQAnIjswrMV3Bj5dHNTcPJXcDIWu7-iqSTtmCg/edit?usp=sharin
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Verdict
The clearest difference is update cadence: DevPrep at every 2 days against Last Days Devs's every 6 months. Last Days Devs's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. DevPrep sells 5 one-off in-app purchases and Last Days Devs sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
DevPrep ships an update every 2 days, Last Days Devs every 6 months. The most recent releases landed on September 24, 2026 and September 8, 2026 respectively.
| Parameter | DevPrep | Last Days Devs |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days โ better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 13.0 โ better |
| Further details โ not scored | ||
| Size | 149 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Thieu Khue | Seungil Park |
In-app purchases
DevPrep
- Backend Scale pack$9.99
- Data Structure & Algorithms pack$9.99
- System Design pack$9.99
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- Frontend Engineering pack$9.99
- Unlock all Pro Packs$29.99
Last Days Devs
- Monthly Subscription$3.991 Month
- Lifetime Access$5.99
Questions
Is DevPrep free?
Is Last Days Devs free?
Do DevPrep or Last Days Devs have ads?
Which is updated more often, DevPrep or Last Days Devs?
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