Comparison

Simple Study Stamp vs LuneaLang

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

Head to head
About

Simple Study Stamp

Features
Read full description

Your study time is more than just a number. Keep your goals—and your current study session—visible right from your Home Screen and Lock Screen. Simple Study Stamp is a simple yet practical study time tracker with stopwatch, timer, and manual entry. With widgets, you can quickly check: • Time remaining until your goal date • Total study time • Target study time • Progress percentage And while a timer or stopwatch is running, you can check your current study status directly from the Lock Screen. Even after leaving the app, you can instantly see whether a study session is still running and how long you’ve been studying. Stay aware of your study session. Stay focused on your goal. Simple Study Stamp is designed to make consistent studying easier. See your progress at a glance Your study time is automatically organized by day, week, month, and year. Use easy-to-read bar charts and pie charts to see what you’ve studied and how much time you’ve spent on each subject. The calendar view also makes it easy to look back and see: “How much did I study that day?” “How much have I accomplished this month?” Your effort doesn’t disappear—it becomes a visible record of your progress. Track your way Choose the recording method that fits your study style: • Stopwatch • Timer • Manual entry Whether you’re studying at your desk, learning a language on your commute, reading, preparing for an exam, or working on professional development, you can record your study time in the way that works best for you. Keep your goals visible Set a target study time and goal date for each subject. Instead of simply recording study hours, Simple Study Stamp helps you stay aware of how far you’ve come and how far you still have to go. Home Screen and Lock Screen support make your goals easier to remember throughout the day. Great for • Exam preparation • Certifications • Language learning • Reading • Programming • Professional development • Self-study and lifelong learning No complicated setup. No unnecessary features getting in your way. No in-app purchases. Just open the app, start studying, and keep building your progress one session at a time. One minute today can make a big difference tomorrow. Make every minute count.

About

LuneaLang

Features
Read full description

LuneaLang is a gentle language learning tracker designed to help you build a daily study habit at your own pace. It brings together vocabulary lists, quizzes, study tasks, writing logs, streak tracking, and progress records in one place, so you can keep learning without feeling overwhelmed. Key Features ・See today’s study at a glance Check your daily task progress, study memo, and streak from the Home screen. A random vocabulary review card also gives you a quick and easy mini review whenever you open the app. ・Manage your own study tasks Create and organize tasks across categories like vocabulary, reading, listening, watching, speaking, writing, and more. Build a routine that fits your learning style. ・Grow your personal word book Save words with readings, meanings, example sentences, and notes. Use search, category filters, and favorites to manage your vocabulary more easily. ・Review with simple self-check quizzes Study in quiz formats such as word-to-meaning or meaning-to-word. Mark each card as remembered or forgotten for a lightweight and flexible review flow. ・Listen to pronunciation with TTS Use built-in text-to-speech playback for registered words. Great for studying English, French, Chinese, Korean, Japanese, and more. ・Keep writing and learning records Write diary entries and example sentence notes to make your study habit more active and personal. ・Stay motivated with streaks and stats Track consecutive study days, review your activity in the calendar and log screens, and look back on your learning progress through statistics. ・Get soft daily reminders Set local notifications for morning, daytime, or evening to keep your language routine going. ・Customize your experience Toggle BGM, sound effects, and notifications in settings. A one-time purchase option is also available to remove banner ads. Perfect for people who want to: ・build a consistent language habit ・manage vocabulary and study records in one app ・study a little every day in a calm, cute atmosphere ・keep track of progress without pressure With LuneaLang, every small step in language learning becomes part of your daily rhythm.

Screenshots

Simple Study Stamp4 screens
LuneaLang4 screens

Verdict

The call

The clearest difference is in-app purchases: Simple Study Stamp at none against LuneaLang's 1. Simple Study Stamp also leads on iOS requirement (17.0 vs 26.2). LuneaLang's advantage is ads (none vs shown). On price 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. LuneaLang sells 1 one-off in-app purchase. Simple Study Stamp asks for nothing beyond the download.

Scorecard3 real differences · 3 level
Simple Study Stamp versus LuneaLang: the parameters behind the verdict, then further details
ParameterSimple Study StampLuneaLang
PriceFreeFree
Update frequencyEvery 10 days—
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better26.2
Further details — not scored
Size10 MB22 MB
Age rating4+4+
DeveloperFutoshi AkahoshiKawamata Koichiro

In-app purchases

None

Simple Study Stamp

No in-app purchases

1 purchases

LuneaLang

One-time1
  • Remove Ads$29.99

Questions

Is Simple Study Stamp free?
Simple Study Stamp is free to download, with no in-app purchases.
Is LuneaLang free?
LuneaLang is free to download, with in-app purchases available.
Do Simple Study Stamp or LuneaLang have ads?
Simple Study Stamp shows ads; LuneaLang does not.

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