Comparison

Nextlingua vs ZelHack Cybersecurity Training

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

Head to head
About

Nextlingua

This app offers a fun and engaging way to learn multiple languages through interactive exercises and a comprehensive visual dictionary. It covers basic to advanced levels with detailed grammar, vocabulary, and pronunciation guides. Progress through lessons at your own pace, making language acquisition effortless.

Highlights
  • Interactive exercises
  • Visual dictionary with 5,000+ pictures
  • Alphabet and pronunciation guides
  • Vocabulary and phrase building
  • Grammar explanations
  • Review lessons and dialogues
  • Basic, intermediate, and advanced levels
Features
Read full description

Right now we offer the following languages: English, Russian, French, Italian, Portuguese and Spanish. Learning a language with Nextlingua is both fun and useful. The great diversity of interactive exercises, the informative visual dictionary, which is a part of the application, and other didactic resources, will gradually build up your knowledge without much effort on your side and will keep your motivation high. You'll start with the basics: alphabet (through simple words, accompanied by pronunciation rules), essential vocabulary, simple phrases, etc. Nextlingua has a visual dictionary containing over 5,000 pictures, examples of each word’s usage, declensions (depending on the language), conjugations of all verbs, basic and advanced grammar, and much more information on each word or expression. In addition, there are review lessons and dialogues that will help you consolidate what you have learned. The lessons cover basic, intermediate and advanced levels. Learn Russian because it is the fifth most widely spoken language in the world. Our lessons will help you learn Russian step by step: Cyrillic alphabet, declensions of nouns and adjectives, perfect and imperfect verbs, etc. Despite being a complicated language, our progressive didactics will make it seem very easy. Learn English, the most international language. While doing the course you will see all the rules you need, conjugations of each verb, examples, uses of words and expressions with different meanings. Learning English has never been easier. Learn French to boost your professional skills and to make travelling even more enjoyable. Learn its grammar, its different accent marks: acute, grave, circumflex..., rules of pronunciation, etc... There´s no doubt that you will like learning French with our method. Learn Spanish, one of the fastest growing languages in recent years. The hard part of Spanish is made easy through our fun games and dialogues. The subjunctive will no longer be a challenge for you. Learning Spanish will make it easier for you to travel to a multitude of Spanish-speaking countries. A few minutes a day will be enough to consolidate your knowledge. Take advantage of your free time to learn. Without a doubt, the best application for the time being, 100% free and of high quality. What are you waiting for? Go ahead and download it! Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ZelHack Cybersecurity Training

Master cybersecurity engineering with comprehensive training, including hands-on labs and expert lectures. Prepare for the globally recognized RCCE certification and advance your career in this rapidly growing field.

Highlights
  • 1,118 downloadable slide-based courses
  • Expert lectures by Haja Mo
  • 3,700 animated ZelCards
  • 221+ hands-on labs
  • Interactive quizzes
  • 35 training modules
Features
Read full description

ZELHACK — COMPLETE CYBERSECURITY ENGINEER TRAINING The official app from Rocheston. GET CERTIFIED. GET HIRED. Train for one of technology’s most coveted titles: Cybersecurity Engineer. Cybersecurity engineering is one of the world’s fastest-growing professional fields. With the average industry salary reaching USD 150,000 per year, there has never been a better time to master offensive and defensive security. Go beyond flashcards and quiz apps. ZelHack delivers visual cybersecurity training through 1,118 downloadable slide-based courses, expert lectures by Haja Mo, 3,700 animated ZelCards, 221+ hands-on labs, premium audio, interactive quizzes and 35 modules. THE OFFICIAL RCCE TRAINING PATHWAY The Rocheston Certified Cybersecurity Engineer (RCCE) is a globally recognized certification sought by employers, enterprises and government organizations. RCCE is ANAB-accredited under ISO/IEC 17024 and recognized by the U.S. Department of Defense under DoD 8140 for 16 cybersecurity work roles. ZelHack delivers the complete RCCE training curriculum on your phone. Learn how attackers breach systems, how defenders stop them and how cybersecurity engineers protect modern organizations. START WITH ETHICAL HACKING Your $1.99 download includes the complete Ethical Hacking module. Learn how systems are compromised, how attacks progress and how defenders respond. UNLOCK THE COMPLETE RCCE ECOSYSTEM Upgrade to the Enterprise subscription for just $4.99 per year and unlock: • 1,118 Downloadable Cybersecurity Courses: Visual, slide-based lessons across 35 modules, from networking fundamentals to threat hunting. • 3,700 Animated ZelCards: Beautiful, bite-sized and gamified lessons covering 35 deep-dive modules. • 221+ Hands-On Labs: Practical scenarios that build genuine technical skill. Study the concepts on your iPhone, then perform the accompanying attacks and defenses on your desktop computer. • Complete RCCE Course Content: Premium audio walkthroughs, interactive quizzes, practical examples and comprehensive lessons for learning anywhere. This is not a sampler, question bank or companion app. It is the complete RCCE learning curriculum—every course, module, lesson and quiz—delivered on your phone, with hands-on labs performed on your computer. YOUR PATH TO RCCE CERTIFICATION Step 1: Complete the curriculum and all 3,700 ZelCards in the Enterprise tier. Step 2: Unlock the RCCE Eligibility Certificate through a one-time in-app purchase of $299. It confirms verified curriculum completion and qualifies you to sit for the official examination. Step 3: Attempt the RCCE Level 1 examination at Rocheston. Pass and earn the full RCCE credential—recognized across corporate, government and defense sectors. The ZelCards and courses are your complete exam preparation. Master them all and walk into the RCCE Level 1 examination ready. WHAT YOU WILL MASTER • Systems and Network Security: Linux and Windows hardening, network sniffing, traffic analysis, firewalls and intrusion detection. • Offensive Security: Information gathering, penetration testing, web application vulnerabilities and database exploitation. • Defensive Operations: SOC management, Cyber Threat Intelligence, incident response and digital forensics. • Modern Threats and Engineering: Ransomware defense, Zero Trust, DevSecOps, cloud security and business continuity/disaster recovery. • Next-Generation Technology: AI in cybersecurity, blockchain security and quantum computing. PRIVATE BY DESIGN No login. No account. No tracking. Zero data collection. ZelHack runs entirely on your device, so your identity, activity and learning progress remain yours. Transform cybersecurity training into a daily habit. Download ZelHack, begin your ethical-hacking journey and complete a full cybersecurity engineering education from your phone. Cybersecurity Engineer is a registered trademark of Rocheston. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Nextlingua4 screens
ZelHack Cybersecurity Training4 screens

Verdict

The call

The clearest difference is price: Nextlingua at Free against ZelHack Cybersecurity Training's $1.99. Nextlingua also leads on ratings volume (19 vs 2) and iOS requirement (13.0 vs 17.0). ZelHack Cybersecurity Training's advantage is in-app purchases (none vs 6) and ads (none vs shown). On rating, review sentiment and monetization model 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

Nextlingua is free to download; ZelHack Cybersecurity Training costs $1.99 up front. Nextlingua sells 6 in-app purchases, starting at $2.99 per month. ZelHack Cybersecurity Training asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Nextlingua against 5.0 for ZelHack Cybersecurity Training. That said, the two scores are not equally well evidenced: Nextlingua has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 93% of Nextlingua's written reviews are positive against 100% of ZelHack Cybersecurity Training's.

UpkeepUpdate frequency

Nextlingua ships an update fortnightly, ZelHack Cybersecurity Training weekly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

Scorecard7 real differences · 3 level
Nextlingua versus ZelHack Cybersecurity Training: the parameters behind the verdict, then further details
ParameterNextlinguaZelHack Cybersecurity Training
PriceFree — better$1.99
Rating4.9 (19 ratings)5.0 (2 ratings) — better
Positive reviews93.2% of reviews100.0% of reviews — better
Number of ratings19 — better2
Update frequencyFortnightlyWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac, Apple Watch, Vision Pro — better
Requires iOS13.0 — better17.0
Further details — not scored
Size82 MB3.6 GB
Age rating4+4+
DeveloperVerial Soft S.L.Haja Mohideen

Customer experience

Nextlingua

All ratings19 ratings
Positive94.7%
Neutral5.3%
Negative0.0%
Written reviews73 reviews
Positive93.2%
Neutral2.7%
Negative4.1%

ZelHack Cybersecurity Training

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

6 purchases

Nextlingua

Subscriptions4
  • 1 Month$2.991 Month
  • 3 Months$6.993 Months
  • 6 Months$10.996 Months
Show 1 more
  • 1 year$20.491 Year
One-time2
  • Premium forever. 50%$19.99
  • Premium forever$39.99
None

ZelHack Cybersecurity Training

No in-app purchases

Questions

Is Nextlingua free?
Nextlingua is free to download, with in-app purchases available.
Is ZelHack Cybersecurity Training free?
ZelHack Cybersecurity Training costs $1.99, with no in-app purchases.
Which has better reviews, Nextlingua or ZelHack Cybersecurity Training?
ZelHack Cybersecurity Training is rated higher. Nextlingua averages 4.9 out of 5 from 19 ratings, while ZelHack Cybersecurity Training averages 5.0 from 2 ratings.
Do Nextlingua or ZelHack Cybersecurity Training have ads?
Nextlingua shows ads; ZelHack Cybersecurity Training does not.
Which is updated more often, Nextlingua or ZelHack Cybersecurity Training?
Nextlingua ships an update fortnightly, and ZelHack Cybersecurity Training weekly. Most recently, Nextlingua was updated on October 24, 2026 and ZelHack Cybersecurity Training on October 21, 2026.

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