FixoLang vs Thunderbolt24
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FixoLang
This app offers AI-powered IELTS speaking practice and personalized feedback to help users achieve high band scores. It includes a vast library of practice topics and expert guidance on grammar, vocabulary, and pronunciation.
- AI-powered speaking assessment
- Extensive practice library
- Personalized feedback on grammar and vocabulary
- Pronunciation and MTI assistance
- 24/7 learning companion
Read full descriptionHide full description
Transform your IELTS preparation with FixoLang, the ultimate tool designed for aspirants targeting an 8+ band score in IELTS speaking. Features of FixoLang App (formerly IELTSvarta): • AI-Powered IELTS Speaking Assistant: FixoLang’s advanced AI technology provides real-time assessment as an IELTS speaking pro, offering you an instant IELTS band score to clearly understand your current level. • Extensive IELTS Speaking Practice Library: Dive into our extensive collection of digital flashcards, covering a vast range of IELTS speaking topics for comprehensive IELTS speaking practice. • Personalized Feedback: Our AI tool evaluates your speaking performance, providing detailed feedback on grammar, sentence structure, coherence, and IELTS vocabulary usage. • Strategies for High Band Scores: Get expert guidance to refine your speaking skills for achieving your desired score, including tips for mastering IELTS practice band 9. • 24/7 Learning Companion: Practice anytime with our AI tool, making FixoLang an ideal IELTS preparation app for busy aspirants. Extra Assistance for Pronunciation and MTI Alongside AI-driven insights, gain access to EngVarta’s expert English mentors to tackle pronunciation and Mother Tongue Influence (MTI) challenges, enhancing your IELTS prep experience. FixoLang is not just an app; it’s your personal guide to IELTS success. Whether you’re starting out or aiming for a top score, FixoLang is tailored to meet your needs. Practice, get feedback, improve, and score high with us! Begin your journey to IELTS success with FixoLang.
Thunderbolt24
Read full descriptionHide full description
Thunderbolt24 is a modern online learning platform designed to help students learn effectively through structured online classes. The app focuses on delivering a smooth and reliable learning experience for students preparing for their academic goals. Whether you're getting ready for exams or improving your understanding of subjects, Thunderbolt24 provides a simple and focused environment for learning.
Screenshots
Verdict
The clearest difference is in-app purchases: Thunderbolt24 at none against FixoLang's 6. FixoLang's advantage is update cadence (every 9 days vs every 5 months) and iOS requirement (13.0 vs 15.6). On price, ads 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. FixoLang sells 6 one-off in-app purchases. Thunderbolt24 asks for nothing beyond the download.
FixoLang ships an update every 9 days, Thunderbolt24 every 5 months. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.
| Parameter | FixoLang | Thunderbolt24 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 9 days — better | Every 5 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 65 MB | 205 MB |
| Age rating | 4+ | 4+ |
| Developer | NGB EDUCATION PRIVATE LIMITED | Nikhar Sachdeva |
In-app purchases
FixoLang
- Starter$6.99
- Intermediate$11.99
- Advanced$19.99
Show 3 moreShow fewer
- Pro$34.99
- Elite$69.99
- Ultimate$99.99
Thunderbolt24
No in-app purchases









