Comparison

松树自律 vs Langry

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

Head to head
About

松树自律

Features
Read full description

松树自律是一款通过运动和番茄钟专注来减少手机屏幕使用的AI自律备考软件,适合考研考编自律管理使用。 一、屏幕时间管理 最极简的手机限时软件,聚焦到专注的目标中; 限制每日手机使用时长,到了限额自动屏蔽使用。 二、正向行动兑换时长 每运动200步,增加1分钟屏幕可用时长; 每专注5分钟,增加1分钟屏幕可用时长。 三、设置目标 设置目标,倒计时提醒,时刻为自己加油。 四、AI伴学,备考助手 向AI助手提问问题,建立学习计划,及时为您答疑解惑。 立即下载,让『松树自律』在您的成功路上助您一臂之力!

About

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.

Highlights
  • AI-powered writing assistance
  • Real-time word suggestions
  • Grammar error highlighting
  • Personalized mistake archive
  • Multilingual support (EN, ZH, JA, KO)
  • Native language word replacement
Features
Read full description

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

松树自律3 screens
Langry3 screens

Verdict

The call

The clearest difference is price: Langry at Free against 松树自律's $0.99. 松树自律's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement 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

Langry is free to download; 松树自律 costs $0.99 up front. Langry sells 2 in-app purchases, starting at $1.99 per month. 松树自律 asks for nothing beyond the download.

UpkeepUpdate frequency

松树自律 ships an update every 6 days, Langry every 3 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 7 level
松树自律 versus Langry: the parameters behind the verdict, then further details
Parameter松树自律Langry
Price$0.99Free — better
Rating—3.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 6 daysEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, Mac
Requires iOS17.017.0
Further details — not scored
Size16 MB32 MB
Age rating4+4+
DeveloperXiamen Kuaile Xiaotian Intelligence Technology Co., Ltd.笛 姜

In-app purchases

None

松树自律

No in-app purchases

2 purchases

Langry

Subscriptions2
  • Monthly Premium$1.991 Month
  • Annual Premium$19.991 Year

Questions

Is 松树自律 free?
松树自律 costs $0.99, with no in-app purchases.
Is Langry free?
Langry is free to download, with in-app purchases available.
Do 松树自律 or Langry have ads?
Neither 松树自律 nor Langry shows ads.
Which is updated more often, 松树自律 or Langry?
松树自律 ships an update every 6 days, and Langry every 3 days. Most recently, 松树自律 was updated on November 3, 2026 and Langry on November 5, 2026.

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