OneThing vs Langry
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OneThing
This app helps you stay focused by displaying your most important task on your home or lock screen. It simplifies your life by bringing order through focusing on one priority at a time.
- Display crucial item on home/lock screen
- Stay focused and efficient
- Simple input
- Visible everywhere
- Brings order to life
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OneThing - Focus on what matters most, right now. This sleek and powerful app allows you to capture and display the most crucial item in your life at any given moment. Whether on your home screen or lock screen, OneThing ensures your priority is always in sight, helping you stay focused and efficient. Simple input, visible everywhere - bringing order to your life with just one thing at a time --- After confirming the purchase and payment, your iTunes account will automatically renew the subscription. The Apple iTunes account will charge within 24 hours before the expiration date. Once the payment is successful, the subscription period will extend by one subscription period. To cancel the renewal, please manually turn off the auto-renewal feature in the iTunes/AppleID settings at least 24 hours before the current subscription period ends. During the trial period, if the iTunes account does not cancel the subscription, it will automatically start the subscription and charge at the end of the trial period. Any unused trial period will be forfeited after purchasing the subscription. This service allows you to choose whether to cancel; if you choose not to cancel, the renewal service for the next billing period will start automatically. private privacy: https://merciful-sugar-3e6.notion.site/Privacy-Policy-b0e24b6beb074420ae88ec07239d1c5f?pvs=74 term of service: https://merciful-sugar-3e6.notion.site/Terms-of-Service-ffa8642d0e864e22b1dcd5fb06870978
Langry
This AI-powered diary app helps you improve foreign language writing skills. It offers real-time word suggestions, grammar corrections, and a personalized mistake archive for focused learning.
- AI-powered writing assistance
- Real-time word suggestions
- Grammar error highlighting
- Personalized mistake archive
- Multilingual support (EN, ZH, JA, KO)
- Native language word replacement
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Langry to the Rescue for Your Foreign Language Writing! This AI-powered second language diary app tackles "tip-of-the-tongue" moments and grammar black holes—write with growing confidence! Core Features at a Glance: Native Language Rescue: Replace tricky foreign words with your mother tongue mid-writing! AI auto-detects gaps and suggests accurate expressions—no more dictionary headaches. AI Grammar Insights: Word choice deviations, grammar loopholes, awkward phrasing... All errors are highlighted like a teacher’s markup. Mistake Archive: Every error gets logged into your Knowledge Notes. Review them during commutes or downtime to turn weaknesses into strengths! Multilingual Support: Currently available for English, Chinese, Japanese, and Korean—more languages coming soon! The Creator’s Journey As someone who practices English speaking daily and consumes English content, I’ve always struggled with writing. Every time I tried drafting essays or crafting replies in English, I’d hit roadblocks and worry about hidden errors, frantically switching between tools to fix them. Finally, I found a solution: AI-corrected diary writing—a way to improve steadily through consistent practice and feedback. Still exploring and refining this approach, I’d love feedback from fellow language enthusiasts. Let’s evolve this product together! About Auto-Renewal Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless it is cancelled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase. Email jiangdi0924@gmail.com Terms: https://jdi-app.notion.site/Terms-5a99ba5bf942491b8299c07221bb5f7b Privacy: https://jdi-app.notion.site/Privacy-Policy-cdb1be6b87f64c06b7dbea6ffbbad83f
Screenshots
Verdict
The clearest difference is price: Langry at Free against OneThing's $0.99. Langry also leads on rating (3.0 vs 1.0) and update cadence (every 3 days vs fortnightly). On ratings volume, 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
Langry is free to download; OneThing costs $0.99 up front. OneThing sells 1 one-off in-app purchase and Langry sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Langry holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
OneThing ships an update fortnightly, Langry every 3 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | OneThing | Langry |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (1 ratings) | 3.0 (2 ratings) — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Fortnightly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad | iPhone, Mac |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | 定荣 郭 | 笛 姜 |
Customer experience
OneThing
Langry
In-app purchases
OneThing
- buy the author a cola$0.99
Langry
- Monthly Premium$1.991 Month
- Annual Premium$19.991 Year









