学霸拯救地球 vs Linva
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
学霸拯救地球
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通过游戏化帮你迅速建立超效率工作术。打败拖延症! =========App Store 2013 年度精选========== ===========最有爱的超效率软件============ 超五星评价 “它真的是通过角色扮演游戏来让打败拖延症的过程变得妙趣横生的。” -------最美应用 “触动心灵的app啊,卖萌无极限啊,而且真的很有意义啊!告诉设计师我爱他。” “拖延症神器!!这个APP太赞了〜(^○^)” ●超效率工作术 极易上手,效率明显的番茄工作法 ●冷血的决心模式! 一旦开启,绝对无法分心。毫不留情。 ●RPG故事模式 感受故事的力量!用你的工作推进剧情。 ●游戏化体系 升级小白!app的功能将越来越强大。 ●目标管理 治愈你的任务焦虑症。分清长中短期目标,每天只完成一个个最简单的小任务。 开始!升级你的人生。 隐私政策:http://xuebazhengjiudiqiu.wordpress.com/ 服务条款(EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Linva
Learn languages through immersive, AI-powered lessons. Generate lessons from any text, practice pronunciation with real-time feedback, and engage in AI-driven conversations. Track progress and build vocabulary with a comprehensive approach.
- AI-generated lessons from any text
- Native-quality text-to-speech audio
- Bilingual reading with synced phonetics
- Real-time pronunciation scoring
- Shadowing with pitch waveform analysis
- AI conversation practice
- Dictation and vocabulary building
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Linva turns the language you want to learn into something you live in. Type or paste any text and Linva instantly translates it and voices it with natural, native-quality audio — a ready-made bilingual lesson in seconds. Read along sentence by sentence with the target language, your own language and IPA phonetics aligned together. Switch to immersive reading, or shadow the audio while a real-time pitch waveform shows how closely you match a native speaker. When you finish, get a pronunciation score down to the word and the individual sound, so you know exactly what to improve. WHAT YOU CAN DO • Generate a lesson from any text with AI translation + text-to-speech • Import your own audio — or a video — and Linva transcribes and translates it • Read bilingual text with synced audio and phonetics; tap any word for its in-context meaning • Shadow with a live waveform and loop any sentence • Score your pronunciation at the word and phoneme level • Dictation practice: hear the audio or see your language, then write the target word by word — streaks, sparks and sound effects keep you hooked • Watch videos and study perfectly synced subtitles • Chat with an AI to actually use what you just learned • Take a placement test to find your level • Keep a library of recordings, track your progress, and listen in the background even when locked Linva is built on comprehensible input: you acquire a language fastest by understanding real content slightly above your level — listening, reading and speaking until it becomes natural. Available on iPhone, iPad and Mac, with the interface in Chinese, English, Japanese, Korean, French and Spanish. Start your immersion today. EULA:https://www.apple.com/legal/internet-services/itunes/dev/stdeula
Screenshots
Verdict
The clearest difference is update cadence: Linva at every 2 days against 学霸拯救地球's every 2 weeks. Linva also leads on rating (5.0 vs 4.7). 学霸拯救地球's advantage is ratings volume (158 vs 1) and iOS requirement (13.0 vs 17.0). On price, 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
Both are free to download. 学霸拯救地球 sells 3 in-app purchases, starting at $0.99 per month and Linva sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Linva holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: 学霸拯救地球 has 158 ratings behind it against 1, so its average is the more settled of the two.
学霸拯救地球 ships an update every 2 weeks, Linva every 2 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | 学霸拯救地球 | Linva |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (158 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 95.1% of reviews | — |
| Number of ratings | 158 — better | 1 |
| Update frequency | Every 2 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 148 MB | 40 MB |
| Age rating | 9+ | 17+ |
| Developer | Zhongbao Zhang | 贵博 董 |
Customer experience
学霸拯救地球
Linva
In-app purchases
学霸拯救地球
- 按月订阅$0.991 Month
- 按年订阅$2.991 Year
- 永久购买$3.99
Linva
- Monthly7 Days trial2 variants$2.991 Month
- Yearly7 Days trial$29.991 Year









