SGZ vs Graded Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SGZ
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SGZ mobile application is dedicated to the school students and parents to stay connected and updated about student's performance, achievement and lifestyle.
Graded Reader
Master a new language through AI-generated stories tailored to your proficiency level. Enhance comprehension with integrated audio and instant translations. Supports numerous languages for immersive learning.
- AI Story Generator
- Audio Reader & Listening Practice
- CEFR-Based Leveling
- Instant Word & Sentence Translation
- Multi-language Support
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Master a new language with infinite stories tailored exactly to your proficiency level. Gradia is an AI-powered language learning companion that generates unique, engaging stories in your target language. Whether you are a complete beginner or an advanced learner, Gradia creates reading material that matches your CEFR level instantly. Combine reading with listening using our built-in Audio Reader, and never get stuck thanks to instant word and sentence translations. - KEY FEATURES - AI Story Generator Never run out of reading material. Unlike static textbooks, Gradia uses advanced AI to generate fresh, interesting stories on demand. Tailored Content: Every story is written specifically for your selected difficulty level. Endless Practice: Create new stories whenever you want to practice reading. - Audio Reader & Listening Practice Turn your reading session into a listening lesson. Text-to-Speech: Listen to stories read aloud with natural-sounding AI voices. Improve Pronunciation: Shadow the audio to perfect your accent. Immersive Learning: Listen while you read to reinforce comprehension. - CEFR-Based Leveling Select your proficiency, and our AI ensures the vocabulary and grammar are just right for you: A1 - A2 (Beginner): Simple stories with basic vocabulary to build confidence. B1 - B2 (Intermediate): More complex narratives to improve fluency and grammar. C1 - C2 (Advanced): Sophisticated storytelling for near-native mastery. - Instant Translation Read without the frustration of switching apps to check a dictionary. Word Translation: Tap any specific word to see its meaning. Sentence Translation: Tap a full sentence to understand the context and structure. Flow State: Keep reading smoothly while learning new vocabulary instantly. - READ IN ANY LANGUAGE Gradia supports story generation and translation for most major languages. Whether you are learning Spanish, French, German, Italian, Japanese, Chinese, Korean, or English, Gradia provides the content you need. WHY CHOOSE GRADIA? 1. Comprehensible Input: The fastest way to learn a language is by reading content that is slightly above your current level. Gradia automates this by creating stories that are never too hard and never too easy. 2. Contextual Learning: Learn vocabulary naturally within the context of a story, rather than memorizing dry lists. 3. Dual-Modality: By reading and listening simultaneously, you accelerate your brain's ability to process the new language. PERFECT FOR: Language students wanting fun practice outside the classroom. Self-learners looking for graded reading material. Polyglots maintaining multiple languages. Start Your Story Today Stop searching for "easy books" that are actually too difficult. Download Gradia and generate your first custom language story now! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: SGZ at none against Graded Reader's 2. Graded Reader's advantage is iOS requirement (13.0 vs 15.6). On price, update cadence, 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. Graded Reader sells 2 in-app purchases, starting at $4.99 per month. SGZ asks for nothing beyond the download.
SGZ ships an update every 6 months, Graded Reader every 8 months. The most recent releases landed on October 27, 2026 and October 13, 2026 respectively.
| Parameter | SGZ | Graded Reader |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 53 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | DataRays SARL | Betapilot |
In-app purchases
SGZ
No in-app purchases
Graded Reader
- Reader$4.991 Month
- Listener$12.991 Month









