Gradegree vs Duory
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Gradegree
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Gradegree's goal is to help students track their grades and access them easily. Every user can decide how to organize their courses and sections as he or she pleases. The data is stored locally on each user's device and is accessible only by them. Making changes in the app is super easy and intuitive.
Duory
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Save time and stay focusedβno more bouncing between translation apps, Google search and your notes. Study, practice, and reflect with dynamic language notes. Why Duory? β’ Duory is the smartest way to take language notes on your phone. β’ Duory lets you keep and organize notes for all your target languages in one place. β’ Save time and stay focused β no more bouncing between Google Search and your notes. β’ Practice hands-free while doing boring chores. β’ Improve your output by journaling in your target languages. β’ Capture interesting phrases from anywhere! β’ Browse vocabulary from your own notes in a focused, immersive way. β’ Make them stick with Home and Lock Screen widgets. β’ Duory supports 40 target languages. NOTES β’ Duory is designed to perform language tasks on-device thanks to Appleβs language APIs and other offline language tools. β’ To perform translations, iOS needs to download language dictionaries for each language pair. This only happens once for each pair. β’ Duory requires access to your microphone for you to record pronunciation of phrases and your camera for scanning text. FREE FOREVER Get started for free with these features: β’ Create notes and journals in one target language. β’ Enhance your language journals with Apple Journaling Suggestions. β’ Capture phrases from your physical textbooks, Duolingo sessions, images, or RTF/PDF documents. β’ Use a handy widget to reinforce recently learned words and phrases. β’ In-app translation and transliteration, including Hiragana and Pinyin. β’ Record and play back your phrases (no playlists on the free plan). β’ Access notes you create during your free trial or subscription β forever! Important: If you create notes in target languages outside of the initial language during an active subscription, they will become read-only when your subscription expires (the notes you create in your oldest target language will remain editable forever) DUORY PLUS PLANS Unlock the full power of Duory with a subscription: β’ Create notes and journals in multiple languages. β’ Turn your phrases into playlists for hands-free practice. β’ Control playback from your lock screen or Control Center. β’ Turn plain notes into memorable ones with stickers and pictures. β’ Sync your notes and journals to iCloud. Plans are available on a monthly or annual basis. Your payment is charged to your iTunes account. Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. You can turn off auto-renewal at any time by going to your Account Settings on the App Store after purchase. Start your journey with a 14-day free trial on annual plansβcancel anytime to avoid charges. You will always have permanent access to notes created during the trial period or while your subscription was active. However, an active subscription is required to create new notes or edit existing ones in languages other than the first target language you added in Duory. Notes created in the first target language you add to Duory remain editable forever with or without an active subscription. LANGUAGE TRANSLATION SUPPORT ** Duory uses Appleβs Translation API for on-device translation. Hereβs the full list of supported languages: β’ Arabic β’ Chinese (Mandarin, Simplified) β’ Chinese (Mandarin, Traditional) β’ Dutch β’ English β’ French β’ German β’ Hindi β’ Indonesian β’ Italian β’ Japanese β’ Korean β’ Polish β’ Portuguese (Brazil) β’ Russian β’ Spanish (Spain) β’ Thai β’ Turkish β’ Ukrainian β’ Vietnamese PRIVACY Duory is designed with your privacy in mind. We donβt track your data or store your information. Privacy Policy: https://duory.alewa.co/privacy.html Terms of Service: https://duory.alewa.co/terms.html
Screenshots
Verdict
The clearest difference is in-app purchases: Gradegree at none against Duory's 4. Gradegree also leads on iOS requirement (13.4 vs 17.6). On price, update cadence, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Duory sells 4 in-app purchases, starting at $2.99 per month. Gradegree asks for nothing beyond the download.
Gradegree ships an update every 3 days, Duory every 5 days. The most recent releases landed on September 21, 2026 and July 6, 2026 respectively.
| Parameter | Gradegree | Duory |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days β better | Every 5 days |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone, iPad |
| Requires iOS | 13.4 β better | 17.6 |
| Further details β not scored | ||
| Size | 23 MB | 138 MB |
| Age rating | 4+ | 4+ |
| Developer | Omer Bengal | Adegboyega Dada |
In-app purchases
Gradegree
No in-app purchases
Duory
- Duory Plus (Monthly)$2.991 Month
- Duory Family Plus (Monthly)$4.991 Month
- Duory Plus (Annual)14 Days trial$29.991 Year
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- Duory Family Plus (Annual)14 Days trial$49.991 Year









