CDL Ace vs Koko
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CDL Ace
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Prepare for your commercial driver's license exam with guided lessons, realistic practice, clear explanations, and progress tracking in one account. STUDY IN 12 LANGUAGES Choose English, Spanish, Simplified Chinese, Vietnamese, Tagalog, Arabic, French, Haitian Creole, Brazilian Portuguese, Russian, Hindi, or Punjabi. Supported lessons, questions, answer choices, explanations, and app controls follow your selected language. BUILD YOUR CDL PLAN Select your testing state, Class A, B, or C, and compatible endorsements including Air Brakes, Combination, Doubles/Triples, Tanker, HazMat, Passenger, and School Bus. PRACTICE WITH PURPOSE • Follow a guided handbook-based learning path • Take quick, category, and timed practice exams • Review an explanation after each answer • Focus on weak areas and track Estimated Readiness • Build XP, streaks, and milestone badges MOVE BETWEEN IPHONE, IPAD, AND WEB Sign in to keep your study plan, progress, history, and Premium access synced. Continue on iPhone, iPad, or getcdlace.com with the same account. CHECK OFFICIAL STATE RESOURCES Open official CDL manuals and agency resources for your testing state from inside CDL Ace. Official state and federal publications remain the final authority for test requirements and rules. STANDARD AND PREMIUM Standard includes a useful core study experience. CDL Ace Premium unlocks the full eligible question bank and lessons, unlimited Quick and category exams, selected endorsement content, harder practice sets, weak-area review, and detailed exam-history review. Premium is an auto-renewing monthly subscription; price and terms appear before purchase. Manage or cancel through the store where you subscribed. CDL Ace is an independent study aid. It is not affiliated with or endorsed by any DMV, state licensing agency, or the Federal Motor Carrier Safety Administration. Passing a practice test does not guarantee a passing official exam score. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Koko
Practice speaking a new language privately and offline. This app scales conversations to your skill level, offering feedback and quick translations. It keeps all your data on your device, ensuring complete privacy.
- Private, offline conversations
- Adaptive conversation difficulty
- Voice feedback for improvement
- Quick translations
- Multiple languages supported
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Koko gives you unlimited conversation practice while keeping your voice, information, and data private on your device. Nothing leaves your iPhone. It can even be run in Airplane mode :) Learn a new language by speaking and listening more! A lot of people struggle to actually hold a conversation when learning a language because they don't practice speaking and immersing themselves in the language. Features We Love: - Fully private. Your voice and conversations never leave your device. - Conversations are scaled to your level. For beginners, Koko uses small, beginner-friendly words and speaks slowly. For advanced speakers, Koko speaks quickly and uses advanced vocabulary. - Quick translations - Feedback on your responses to help you learn how to speak better - Cloud mode: Get started quickly by using our private cloud LLM instead of downloading the models locally Current languages: - English - Spanish - French - Italian - German - Japanese - Polish - Vietnamese Koko requires iOS26+ in order to run the conversation models on your own device. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Koko at every 3 days against CDL Ace's fortnightly. CDL Ace's advantage is iOS requirement (17.0 vs 26.0). 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
Both are free to download. CDL Ace sells 1 in-app purchase, starting at $4.99 per month and Koko sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.
CDL Ace ships an update fortnightly, Koko every 3 days. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.
| Parameter | CDL Ace | Koko |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 33 MB | 77 MB |
| Age rating | 12+ | 4+ |
| Developer | Jaret Priddy | Prism App Labs |
In-app purchases
CDL Ace
- CDL Ace Premium$4.991 Month
Koko
- Koko Monthly Plan$7.991 Month
- Koko Yearly Plan$39.991 Year









