Comparison

100ls vs Shadow Edge

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

Head to head
About

100ls

Features
Read full description

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 — 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. 1.25x–2x for review. One tap to cycle through. Learning Analytics Track your daily listening time and streaks. Small numbers add up — 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 — the one between knowing the language and actually hearing it. Requirements iOS 17.0 or later. Translation requires iOS 18.0 — language models download once on first use. Privacy Policy: https://socratop.com/privacy User Terms: https://socratop.com/terms

About

Shadow Edge

Improve your English speaking and pronunciation with AI-powered feedback. Practice with real audio, get detailed scores on accuracy, fluency, and more. Designed for serious learners aiming for natural-sounding English.

Highlights
  • AI-powered pronunciation scoring
  • Detailed feedback on accuracy, fluency, prosody
  • Practice with real English audio/video
  • Shadowing technique support
  • Pronunciation mistake reduction
  • Improve American English accent
Read full description

Speak English with confidence. ShadowEdge helps you improve your pronunciation and speaking skills by practicing with real English audio and getting detailed AI-powered feedback. Practice. Record. Get scored. Improve. ShadowEdge uses advanced speech analysis to evaluate how you speak—not just whether you said the right words. Your Pronunciation Score Get a 100-point score that breaks your speaking performance down into key areas: • Accuracy — How accurately you pronounce the sounds and words • Completeness — Whether you say all the words and sounds clearly • Fluency — Your speaking rhythm, smoothness, and pace • Prosody — Stress, intonation, rhythm, linking, and reductions • Phonemes — Detailed analysis of individual sounds Practice with Real English Import audio or video and practice sentence by sentence using shadowing. Listen to a native speaker, speak along with them, record yourself, and compare your performance. Whether you're preparing for a job interview, improving your workplace communication, or simply trying to sound more natural in English, ShadowEdge gives you measurable feedback every time you practice. Built for Serious English Learners ShadowEdge is designed for learners who want more than vocabulary exercises and grammar quizzes. Use it to: • Improve English pronunciation • Build speaking fluency • Practice natural English rhythm and intonation • Reduce pronunciation mistakes • Improve your American English accent • Prepare for interviews and presentations • Practice real-world English conversations Practice speaking. Get your score. Improve your English.

Screenshots

100ls4 screens
Shadow Edge4 screens

Verdict

The call

The clearest difference is update cadence: Shadow Edge at every 5 days against 100ls's fortnightly. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 100ls sells 2 in-app purchases, starting at $4.99 per month and Shadow Edge sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

100ls ships an update fortnightly, Shadow Edge every 5 days. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

Scorecard1 real difference · 8 level
100ls versus Shadow Edge: the parameters behind the verdict, then further details
Parameter100lsShadow Edge
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyFortnightlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone, iPad — better
Requires iOS18.017.0 — better
Further details — not scored
Size16 MB19 MB
Age rating12+12+
DeveloperSocratop TechMacrame, LLC

In-app purchases

2 purchases

100ls

Subscriptions2
  • 100ls plus monthly$4.991 Month
  • 100ls plus yearly$39.991 Year
6 purchases

Shadow Edge

Subscriptions6
  • Silver monthly14 Days trial$9.991 Month
  • Gold monthly$19.991 Month
  • Platinum monthly$39.991 Month
Show 3 more
  • Silver annual$79.991 Year
  • Gold annual$159.991 Year
  • Platinum annual$319.991 Year

Questions

Is 100ls free?
100ls is free to download, with in-app purchases available.
Is Shadow Edge free?
Shadow Edge is free to download, with in-app purchases available.
Do 100ls or Shadow Edge have ads?
Neither 100ls nor Shadow Edge shows ads.
Which is updated more often, 100ls or Shadow Edge?
100ls ships an update fortnightly, and Shadow Edge every 5 days. Most recently, 100ls was updated on October 6, 2026 and Shadow Edge on October 12, 2026.

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