56
BU Score
Solid
WatchWave - Radio Signal Sync
✍️ bumetric analysis
“
WatchWave - Radio Signal Sync is an iOS app from 瑜骏 朱 in the Utilities category, currently rated 4.8★ across 57 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 56: Solid (established niche player). For a Utilities app, that means established niche player.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
📊 Performance Tracking LIVE
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Rating
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Reviews
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Forecast Revenue / mo
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Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 5 of 5 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (4.8★)METRIC | +$2,200 | |
| slowREVIEW | −$1,200 | |
| Established app (6y old)METRIC | +$800 | |
| Pre-traction phase (57 ratings)METRIC | −$300 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Jun 24
Aug 24
Sep 24
Mar 25
Apr 25
Dec 25
Mar 26
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 22 MB🔞 4+📱 iOS 12.2+🔖 v1.1.1🔄 updated 5y ago🌐 EN, JA, ZH📂 Utilities💰 Free🚀 Launched 2020 (6y old)
📝 About this app
WatchWave can perfectly simulate the signals of 6 radio stations around the world. No matter where you are, you can receive radio signals to calibrate your radio watch and clock.
The first WaveTurbo, Radio watch not be restricted by the signal area! Even a 2-Band radio watch can use the WaveTurbo to sync radio signals anywhere.
We use Swift programming language to make sounds through the speakers, and it is incredible to realise the perfect simulation of radio signals. We call this simulation technology "WATCHWAVE SIMULATION TECHNOLOGY".
We have well-designed the interface of the App, which simplifies the operation process and makes it convenient to use.
Features:
- Perfect Multi-Band 6 simulation
With the simulation technology of our research, we achieved the radio wave signals of WWVB(United States), MSF(Europe), DCF77 (Europe), BPC (China), JJY40 (Japan), JJY60 (Japan).
- WaveTurbo
Radio watch not be restricted by the signal area! Even a 2-Band radio watch can use the WaveTurbo to sync radio signals anywhere.
- Support all kinds of radio watches and clocks
Multi-Band 2, 3, 4, 5, 6 radio watch or clock can be calibrated.
- Tutorial guide
We have built a quick tutorial for you to get started quickly. We also provide multiple case tutorials and online video tutorials.
- No ads
We consider advertising to be annoying, so we haven't added any ads to our well-designed interface.
- Support iPhone and iPad
Based on the iPhone, we redesigned the software interface for the iPad.
If you have any questions during use, please contact us through the feedback in the App.
Or send an email to: astronstudioapp@gmail.com
The first WaveTurbo, Radio watch not be restricted by the signal area! Even a 2-Band radio watch can use the WaveTurbo to sync radio signals anywhere.
We use Swift programming language to make sounds through the speakers, and it is incredible to realise the perfect simulation of radio signals. We call this simulation technology "WATCHWAVE SIMULATION TECHNOLOGY".
We have well-designed the interface of the App, which simplifies the operation process and makes it convenient to use.
Features:
- Perfect Multi-Band 6 simulation
With the simulation technology of our research, we achieved the radio wave signals of WWVB(United States), MSF(Europe), DCF77 (Europe), BPC (China), JJY40 (Japan), JJY60 (Japan).
- WaveTurbo
Radio watch not be restricted by the signal area! Even a 2-Band radio watch can use the WaveTurbo to sync radio signals anywhere.
- Support all kinds of radio watches and clocks
Multi-Band 2, 3, 4, 5, 6 radio watch or clock can be calibrated.
- Tutorial guide
We have built a quick tutorial for you to get started quickly. We also provide multiple case tutorials and online video tutorials.
- No ads
We consider advertising to be annoying, so we haven't added any ads to our well-designed interface.
- Support iPhone and iPad
Based on the iPhone, we redesigned the software interface for the iPad.
If you have any questions during use, please contact us through the feedback in the App.
Or send an email to: astronstudioapp@gmail.com
🆕 What's New · v1.1.1
- Added "WaveTurbo". Even a 2-Band radio watch can use the WaveTurbo to sync time signals anywhere.
- Improve App stability
- Improve interface icon display
- Improve App stability
- Improve interface icon display
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- WatchWave - Radio Signal Sync
- Developer
- 瑜骏 朱
- Bundle ID
- studio.astron.app.watchwave
- App Store URL
- Open in App Store
- Category
- Utilities
- Content rating
- 4+
- Languages
- EN, JA, ZH
Company
- Website
- astron.app
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $1.4K/mo
- Top-grossing rank
- Outside top 100 in US Utilities
- All-time revenue
- Not found
- Pricing
- Not found
Founder
- Name
- Not found
- X / Twitter
- Not found
- Not found
- GitHub
- Not found
- X followers
- Not found
- Public statements
- Not found
Funding
- Total raised
- Not found
- Last round
- Not found
- Investors
- Not found
- Crunchbase
- Not found
- AngelList
- Not found
Press & Links
- Articles found
- Not found
- Listed on
- Not found
- Blog
- Not found
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- Not found
⭐Recent App Store Reviews16 latest · avg 4.75★ · 93.8% 5★ · 6.2% 1★
5★15 (94%)
4★0 (0%)
3★0 (0%)
2★0 (0%)
1★1 (6%)
+7 ratings/week
Praise: great ×4 perfect ×3 recommend ×1 love ×1
Top positive
★★★★★ Worked perfectly
I was able to sync my Casio G-Shock GWM-5610 and keep it accurate. I was annoyed when daylight savings time came along and my watch did not adjust the time. I checked and my watch had not been able to sync for months because of some type …
★★★★★ 值得
很方便，一次成功…
Top negative
★☆☆☆☆ Doesn’t work
This app does NOT work with iPhone + Casio 5610. Waste of my time.…
★★★★★ Just works !
Synced after 5 minutes.…
📈Ratings growth57 ratings+5600% lifetimeShow 3-year history estimate ▾
Tracked (17 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
Full revenue analysis
Read the article-style breakdown for WatchWave - Radio Signal Sync: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.