100ls vs Echo Lang
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
100ls
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100LS helps you train English listening with real podcasts, synced subtitles, sentence replay, and bilingual translation. No flashcards. No drills. Just real audio, one sentence at a time. 100 Days Language Study Learn English through real podcasts. No flashcards, no drills. Learn English the way you actually use it. 100LS is built for learners who are past the basics and ready to train their ear on real, unscripted English. Pick a podcast episode you're curious about, hit play, and let the content do the teaching. Synchronized subtitles highlight word-for-word as audio plays. Tap any line to jump back and replay it. Toggle your native language translation on or off. Slow it down to catch every word, or speed it up to push your comprehension. Repeat until it clicks. Features Synced Subtitles Every word lands on screen exactly when it's spoken. Tap any subtitle line to jump to that moment in the audio β no scrubbing, no guessing. Native Language Translation Powered by Apple's on-device translation engine. Works offline. Toggle translations on when you need context, off when you want the challenge. Automatic Transcription No subtitles for an episode? 100LS generates them automatically using on-device speech recognition, then syncs them to the cloud so they load instantly next time. Variable Playback Speed 0.75x for close listening. 1x for natural pace. 1.25xβ2x for review. One tap to cycle through. Learning Analytics Track your daily listening time and streaks. Small numbers add up β 20 minutes a day compounds fast. Who it's for You've studied English. You can read it fine. But listening to native speakers still feels like catching every third word. 100LS is for that gap β the one between knowing the language and actually hearing it. Requirements iOS 17.0 or later. Translation requires iOS 18.0 β language models download once on first use. Privacy Policy: https://socratop.com/privacy User Terms: https://socratop.com/terms
Echo Lang
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Echo Lang: Your Podcast-Style Language Learning Hub Tired of rote memorization and endless searching for the right audio resources? Echo Lang is designed for immersive, screen-free language acquisition. We solve the biggest hurdles in language learning by turning your fragmented time into a highly effective listening environment. Core Features: Screen-Free Listening for Fragmented Time Maximize your day without staring at a screen. Whether you are commuting, working out, or doing chores, Echo Lang provides a seamless podcast-like experience. Put your headphones on and effortlessly absorb a new language on the go. Real Context, Real Fluency Ditch useless flashcards. Memorizing isolated words doesn't build language intuition. Echo Lang immerses you in authentic materialsβclassic literature, movie dialogues, and famous speeches. Learn vocabulary in its true context and naturally develop a native-like sense of the language. No More Resource Hunting Stop "dumpster-diving" for audio files across the internet. Echo Lang offers a built-in, highly customizable listening lab. Take full control of your learning by adjusting playback speed, setting custom sentence loops, and toggling text display modes to perfectly match your proficiency level. Supported Languages: Learn English, Spanish, French, German, Chinese, Japanese, Korean, and Arabic.
Screenshots
Verdict
The clearest difference is in-app purchases: Echo Lang at none against 100ls's 2. Echo Lang also leads on device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price, update cadence and ads 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. 100ls sells 2 in-app purchases, starting at $4.99 per month. Echo Lang asks for nothing beyond the download.
100ls ships an update fortnightly, Echo Lang every 3 weeks. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.
| Parameter | 100ls | Echo Lang |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly β better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone | iPhone, iPad, iPod β better |
| Requires iOS | 18.0 | 13.0 β better |
| Further details β not scored | ||
| Size | 16 MB | 22 MB |
| Age rating | 12+ | 4+ |
| Developer | Socratop Tech | ι³εΈ ζ |
In-app purchases
100ls
- 100ls plus monthly$4.991 Month
- 100ls plus yearly$39.991 Year
Echo Lang
No in-app purchases









