47
BU Score
Emerging
fororing
✍️ bumetric analysis
“
fororing is an iOS app from Sangmook Lee in the Photo & Video category, currently rated 3.4★ across 5 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Our BU Score puts it at 47: Emerging (early traction worth watching). For a Photo & Video app, that means early traction worth watching.
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
—
Reviews
—
Forecast Revenue / mo
—
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 ($0.99)METRIC | +$2,800 | |
| 5 starREVIEW | +$1,800 | |
| Below-average rating (3.4★)METRIC | −$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| Pre-traction phase (5 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.
⭐ 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 →💾 28 MB🔞 4+📱 iOS 11.0+🔖 v3.4.7🔄 updated 4y ago🌐 EN, JA, KO📂 Photo & Video💰 Paid🚀 Launched 2012 (14y old)
📝 About this app
You can merge photos vertically or horizontally with Fororing.
(Up to 10 photos can be merged at once)
Just pick photos you want to merge. Merged result will be appeared right away on the screen.
Adding, deleting and reordering photos can be done in a very easy and intuitive way.
If you want to merge photos side by side, just tap rotate icon to landscape mode.
You can see the merged result at a glance with preview function.
Press and hold the photo to edit.
When you save, you can adjust merged size.
Merged photo will be saved in your photo library and you can also share with Email, Twitter, Facebook.
A merged result image may be resized when you share by Email, Twitter or Facebook.
When you save in your photo library, it'll be saved in a size you set.
(Up to 10 photos can be merged at once)
Just pick photos you want to merge. Merged result will be appeared right away on the screen.
Adding, deleting and reordering photos can be done in a very easy and intuitive way.
If you want to merge photos side by side, just tap rotate icon to landscape mode.
You can see the merged result at a glance with preview function.
Press and hold the photo to edit.
When you save, you can adjust merged size.
Merged photo will be saved in your photo library and you can also share with Email, Twitter, Facebook.
A merged result image may be resized when you share by Email, Twitter or Facebook.
When you save in your photo library, it'll be saved in a size you set.
🆕 What's New · v3.4.7
Bug fixes and performance improvements.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- fororing
- Developer
- Sangmook Lee
- Bundle ID
- com.undefinedunit.fotoring
- App Store URL
- Open in App Store
- Category
- Photo & Video
- Content rating
- 4+
- Languages
- EN, JA, KO
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- OG image
Revenue
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $10.4K/mo
- Top-grossing rank
- Outside top 100 in US Photo & Video
- 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
- https://apps.apple.com/us/iphone/story/id1509313372
⭐Recent App Store Reviews25 latest · avg 3.72★ · 52.0% 5★ · 16.0% 1★
5★13 (52%)
4★2 (8%)
3★4 (16%)
2★2 (8%)
1★4 (16%)
+0 ratings/week
Praise: great ×8 love ×3 perfect ×3 awesome ×2 amazing ×1Complaints: broken ×1
Top positive
★★★★★ Love it
This app is great. It allows you make one photo from a series of photos. Great for before and after photos and creating a single photo from a sequence of photos.…
★★★★★ What I've been looking for.
I have been looking everywhere for this app it's the best.…
Top negative
★☆☆☆☆ Non responsive. No horizontal only vertical
First I wrote to developers using the site and email they provide. I gave benefit of the doubt that they just had an error not an intentional lie/fraud.
No response after a week.
There's no option for horizontal combination of imag…
★☆☆☆☆ Resolution
After 5 photos the resolution goes down to a point where you cant even read or see the photos because its so blurry.
Cmon!!!!!…
📈Ratings growth5 ratings+400% lifetimeShow 3-year history estimate ▾
Tracked (26 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.
More by Sangmook Lee
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Full revenue analysis
Read the article-style breakdown for fororing: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.