麻雀の友 vs Waa Waa
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
麻雀の友
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麻雀の点数計算をするためのユーティリティです。実戦の麻雀における素早い点数計算を強力にサポートします。雀卓の隣に置いておくと便利です。 「○○符△飜 まではわかるけど点数が覚えられない」そんな方にオススメです。
Waa Waa
Understand your baby's needs with AI-powered cry analysis. This app interprets emotions in your baby's cries in real-time, offering insights into their feelings and needs. Track crying patterns and manage baby profiles for a deeper connection.
- Real-time cry analysis
- Video & audio file analysis
- Cry pattern statistics
- Baby profile management
- AI-powered emotional insights
- Growth milestone logging
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A new way to truly connect with your baby. Ever wondered why your baby is crying? Every cry carries a message — and AI helps you hear it. Powered by advanced AI who delicately interprets the emotions within your baby’s cries to help you understand their needs and feelings in real time. Now, listen to the heart behind every cry. What You Can Do: Real-Time Cry Analysis – Record your baby’s cry and get instant emotional insights. Video & Audio File Analysis – Upload recorded files and discover what your baby was trying to say. Cry Pattern Statistics – Track and visualize your baby’s crying trends over time. Baby Profile Management – Create personalized profiles to log growth milestones and emotional history. How AI Understands Baby Cries: AI is trained on a dataset of over 1,500 labeled baby cry samples, each with known causes. Using the Audio Spectrogram Transformer (AST) — a state-of-the-art AI model that interprets complex sound patterns — AI performs single-class classification to identify emotional cues behind each cry. After countless learning iterations and backtesting, AI brings science and empathy together to decode your baby’s world of sound. Follows Apple’s standard license agreement. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: 麻雀の友 at none against Waa Waa's 1. Waa Waa's advantage is update cadence (every 2 days vs every 8 months) and iOS requirement (13.0 vs 26.0). On price, ads 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
Both are free to download. Waa Waa sells 1 in-app purchase, starting at $0.99 per month. 麻雀の友 asks for nothing beyond the download.
麻雀の友 ships an update every 8 months, Waa Waa every 2 days. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.
| Parameter | 麻雀の友 | Waa Waa |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 42.9% of reviews |
| Update frequency | Every 8 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Tadahisa Motooka | 1tier |
In-app purchases
麻雀の友
No in-app purchases
Waa Waa
- Premium Plan (No Ads)1 Month trial$0.991 Month









