Comparison

おてつだいスタンプ vs PixelSpeech

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

Head to head
About

おてつだいスタンプ

Features
Read full description

Help your kids build great habits with a fun stamp card! Features: - Simple one-tap stamp recording - Cute customizable themes - Milestone celebrations to motivate kids - Fun reward animations when goals are reached How to use: 1. Tap the stamp button when chores are done 2. Celebrate when the card is full 3. Set milestones and rewards to keep kids motivated A gentle way for parents and kids to track chores together and build positive habits. Note: This app is designed to be operated and managed by a parent or guardian.

About

PixelSpeech

This app uses AI to analyze your Korean pronunciation at the phoneme level, providing real-time feedback and personalized practice. It offers structured courses, daily challenges, and mini-games to help you master Korean sounds and improve fluency.

Highlights
  • AI phoneme-level pronunciation analysis
  • 5-day pronunciation course
  • Daily speaking challenges
  • AI pattern diagnosis for weak sounds
  • Structured learning of vowels and consonants
  • Precise pronunciation scoring
  • 5 pronunciation mini-games
  • 8 levels of progress tracking
Read full description

PixelSpeech is a Korean pronunciation app that analyzes how you speak at the phoneme level, powered by AI. Just speak, and AI diagnoses your pronunciation in real time, pinpointing exactly which sounds you struggle with. ■ 5-Day Pronunciation Course One step a day builds your foundation in just five days. - Day 1: Basic Pronunciation - Day 2: Everyday Expressions - Day 3: Shopping Phrases - Day 4: Ordering Food - Day 5: Finding Your Way Finish the course to unlock extra themes like K-Drama, Cafe & Restaurant, and Business. ■ Daily Challenge & Streak Sharpen your speaking with Today's Challenge. Custom sentences are prepared each day based on your weak phonemes. Keep showing up and build your streak. ■ AI Pattern Diagnosis (Phoneme Level) PixelSpeech studies your accumulated results and automatically detects the pronunciation patterns you repeatedly struggle with: - Final consonant (batchim) weakness - Aspirated consonants (k/t/p/ch) - Tense consonants (kk/tt/pp/ss/jj) - The Korean R/L sound - Complex vowels - Diphthong glide loss - Vowel accuracy Once enough data is gathered, it surfaces your three weakest patterns so you know exactly what to practice first. ■ Structured Learning Master 7 basic vowels and 18 initial consonants across 4 stages: lax, aspirated, tense, and nasal/liquid. ■ Precise Pronunciation Scores With AI speech analysis and PixelSpeech's own position-aware phoneme diagnosis, you get Total Score, Accuracy, Fluency, and Completeness, measured down to the IPA phoneme. ■ 5 Mini-Games - AR Pronunciation Challenge (real-time camera recognition) - KF-21 Pronunciation Shooter - Pronunciation Card Game - Speed Pronunciation King - Tongue Twister Challenge ■ 8 Levels of Progress Collect XP and climb from Seedling all the way to Legend. ■ 5 Languages Korean, English, Chinese (Simplified), Japanese, and Vietnamese, with native-language pronunciation tips for every phoneme. ■ Your Privacy Your recordings are used only to analyze your pronunciation and are not stored in the app. To analyze your speech, audio is sent to a secure cloud speech-assessment service. Start speaking clearer Korean today with PixelSpeech.

Screenshots

おてつだいスタンプ4 screens
PixelSpeech4 screens

Verdict

The call

The clearest difference is in-app purchases: PixelSpeech at none against おてつだいスタンプ's 1. おてつだいスタンプ's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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. おてつだいスタンプ sells 1 one-off in-app purchase. PixelSpeech asks for nothing beyond the download.

UpkeepUpdate frequency

おてつだいスタンプ ships an update every 2 days, PixelSpeech daily. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
おてつだいスタンプ versus PixelSpeech: the parameters behind the verdict, then further details
ParameterおてつだいスタンプPixelSpeech
PriceFreeFree
Rating—3.0 (1 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 2 daysDaily — better
AdsNo — betterYes
In-app purchasesYesNo — better
Monetization—Ad-supported
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.415.6 — better
Further details — not scored
Size110 MB39 MB
Age rating4+4+
DeveloperRUOK LLCJAEMIN SHIN

In-app purchases

1 purchases

おてつだいスタンプ

One-time1
  • Premium Pack$0.49
None

PixelSpeech

No in-app purchases

Questions

Is おてつだいスタンプ free?
おてつだいスタンプ is free to download, with in-app purchases available.
Is PixelSpeech free?
PixelSpeech is free to download, with no in-app purchases.
Do おてつだいスタンプ or PixelSpeech have ads?
PixelSpeech shows ads; おてつだいスタンプ does not.
Which is updated more often, おてつだいスタンプ or PixelSpeech?
おてつだいスタンプ ships an update every 2 days, and PixelSpeech daily. Most recently, おてつだいスタンプ was updated on October 24, 2026 and PixelSpeech on October 31, 2026.

Other comparisons