Comparison

Flagsay vs LightLing

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

Head to head
About

Flagsay

Features
Read full description

Flagsay is an AI-powered language learning app built around real-world object scanning, spirit companion chat, and story-based practice. Core features: 1. Object Scan Learning: Use camera or photo library to identify objects and get vocabulary, pronunciation, examples, and translations. 2. Spirit Companion Chat: Turn scanned objects into AI companions and practice conversations with different personas. 3. Story Generation Practice: Generate learning stories from your daily vocabulary or custom words for reading and speaking practice. 4. Vocabulary and Progress: Save words, sync core learning data, and track your daily usage and learning progress. For any questions or suggestions, please contact us at support@flagsay.com Privacy Policy: https://flagsay.app/privacy Terms of Use: https://flagsay.app/terms

About

LightLing

Features
Read full description

Chinese, Japanese, French, Korean, German, Spanish, Portuguese, Cantonese, Italian, Russian, Thai, Vietnamese, Danish, Hungarian... continuously expanding. You can even learn English in Chinese! A groundbreaking APP that defines a whole new learning experience: LightLing! The smart learner's choice. [Lightweight & Efficient] No need to memorize vocabulary word by word. Progressive fill-in-the-blank exercises allow for easy repeated practice, guiding you from individual words to complete sentences and helping you master thousands of sentences imperceptibly. [Oral Practice] Start speaking from day one! A precise speech recognition engine helps you correct your pronunciation effortlessly. [Authentic & Practical] Carefully selected real-life example sentences, with the golden standard being the most commonly used, practical, and versatile expressions. [Fragmented Learning] Each lesson lasts from dozens of seconds to a few minutes, making full use of your fragmented time! [Fast Language Mastery] Especially ideal for polyglots—learn multiple languages simultaneously without switching between them! --- Subscription Information - Subscription Names: Thunderbolt Monthly $4.99 / Yearly $9.99 / Lifetime $9.99 - For accounts purchasing an auto-renewing subscription, your iTunes account will be charged 24 hours before the current monthly/yearly period ends. After successful charge, the subscription will be renewed for another period. - To cancel your subscription, manually go to your iPhone's "Settings" -> Tap "iTunes Store & App Store" -> Tap your "Apple ID", select "View Apple ID". Go to "Account Settings", tap "Subscriptions", and select Thunderbolt to cancel. - Privacy Policy: https://g6wqb1qgcp.feishu.cn/wiki/WzWbwUCMHiSF3LkiZxecAHqWnOd - Terms of Use: https://g6wqb1qgcp.feishu.cn/wiki/DTwfwEfhEiic6Uk3F2UcORQHnDc

Screenshots

Flagsay3 screens
LightLing4 screens

Verdict

The call

The clearest difference is update cadence: LightLing at every 4 days against Flagsay's every 3 months. LightLing also leads on iOS requirement (15.6 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Flagsay sells 2 in-app purchases, starting at $2.99 per month and LightLing sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Flagsay ships an update every 3 months, LightLing every 4 days. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 4 level
Flagsay versus LightLing: the parameters behind the verdict, then further details
ParameterFlagsayLightLing
PriceFreeFree
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size18 MB95 MB
Age rating4+12+
DeveloperShanghai Sunrise Chime Technology Co., Ltd.PXBT

In-app purchases

2 purchases

Flagsay

Subscriptions2
  • CaiQi Talk Pro Monthly Subscription$2.991 Month
  • CaiQi Talk Pro Yearly Subscription$29.991 Year
3 purchases

LightLing

Subscriptions2
  • Thunderbolt Monthly$2.991 Month
  • Thunderbolt Year3 Days trial$12.991 Year
One-time1
  • Thunderbolt Lifetime$12.99

Questions

Is Flagsay free?
Flagsay is free to download, with in-app purchases available.
Is LightLing free?
LightLing is free to download, with in-app purchases available.
Do Flagsay or LightLing have ads?
Neither Flagsay nor LightLing shows ads.
Which is updated more often, Flagsay or LightLing?
Flagsay ships an update every 3 months, and LightLing every 4 days. Most recently, Flagsay was updated on October 5, 2026 and LightLing on October 18, 2026.

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