30
BU Score
Emerging
Calculator SAFE – Protect Private Photo & Documents
✍️ bumetric analysis
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Calculator SAFE – Protect Private Photo & Documents is an iOS app from PICK Technology Limited in the Productivity category, currently rated 1.8★ across 22 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Our BU Score puts it at 30: Emerging (early traction worth watching). For a Productivity 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 9 of 9 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 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| Below-average rating (1.8★)METRIC | −$1,500 | |
| Mature app (15y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (22 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 →💾 875 KB🔞 4+📱 iOS 4.3+🔖 v1.3.0🔄 updated 13y ago🌐 EN📂 Productivity💰 Paid🚀 Launched 2010 (15y old)
📝 About this app
iPhone is a popular toy to your friends and even your lover. They love to play with it and may view the contents. But everyone always want to keep some of their info "low profile". Stop embarrassment now! Calculator SAFE is the best app you need.
- Hide your private photos, documents and other files.
- An ordinary icon. No one would get noticed with it.
- It acts like a normal calculator. You can really do simple Math with it.
- Enter your password and shake to reveal the secret SAFE.
- Directly move your photos from Camera Roll to the SAFE. No computer operations.
- Secretly open files from email attachments or website downloads.
- Sync with iTunes. Drag & drop files to put and get from the SAFE.
- Built-in HD photo viewer. Enjoy all your eye-candies in the original taste.
- Full standard document viewer support. Read PDF, DOC, XLS, PPT and a lot more without getting out the app.
# IMPORTANT ADVICE #
Your files can be easily reviewed through iTunes backup process while connected to a computer. Please do the followings to strictly ensure your privacy.
- Setup a password to encrypt your iTunes backup files.
- Setup a device lock password in your iPhone to avoid others syncing it without your proper permission.
# INSTRUCTIONS #
Follow the steps to reveal the private SAFE.
- Enter your magic number as password
1. Press "/"
2. Press "0"
3. Press "="
- Screen displays "ERROR"
- Shake your device
# FIRST RUN INSTRUCTIONS #
When you first run the app, do the followings to make sure the app works properly.
- When Popup window asks ["Calculator" Would like to Use Your Current Location - This allows access to location information in photos and videos]
>> You must select "OK" to allow the app to access your Camera Roll.
- If you've accidentally selected "Don't Allow" in the previous step, or no popup at all, you may fix it by:
- Quit the Calculator
- Go to Settings ‚Üí General > Location Service. Make sure the setting is "ON"
- Check the item "Calculator" in the menu below. Make the setting to be "ON"
- Start Calculator again
- Hide your private photos, documents and other files.
- An ordinary icon. No one would get noticed with it.
- It acts like a normal calculator. You can really do simple Math with it.
- Enter your password and shake to reveal the secret SAFE.
- Directly move your photos from Camera Roll to the SAFE. No computer operations.
- Secretly open files from email attachments or website downloads.
- Sync with iTunes. Drag & drop files to put and get from the SAFE.
- Built-in HD photo viewer. Enjoy all your eye-candies in the original taste.
- Full standard document viewer support. Read PDF, DOC, XLS, PPT and a lot more without getting out the app.
# IMPORTANT ADVICE #
Your files can be easily reviewed through iTunes backup process while connected to a computer. Please do the followings to strictly ensure your privacy.
- Setup a password to encrypt your iTunes backup files.
- Setup a device lock password in your iPhone to avoid others syncing it without your proper permission.
# INSTRUCTIONS #
Follow the steps to reveal the private SAFE.
- Enter your magic number as password
1. Press "/"
2. Press "0"
3. Press "="
- Screen displays "ERROR"
- Shake your device
# FIRST RUN INSTRUCTIONS #
When you first run the app, do the followings to make sure the app works properly.
- When Popup window asks ["Calculator" Would like to Use Your Current Location - This allows access to location information in photos and videos]
>> You must select "OK" to allow the app to access your Camera Roll.
- If you've accidentally selected "Don't Allow" in the previous step, or no popup at all, you may fix it by:
- Quit the Calculator
- Go to Settings ‚Üí General > Location Service. Make sure the setting is "ON"
- Check the item "Calculator" in the menu below. Make the setting to be "ON"
- Start Calculator again
🆕 What's New · v1.3.0
-Fixed support new API
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Calculator SAFE – Protect Private Photo & Documents
- Developer
- PICK Technology Limited
- Bundle ID
- com.picktech.calculator.safe
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN
Company
- Website
- http://
- 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
- $1.2K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- 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 Reviews49 latest · avg 1.43★ · 4.1% 5★ · 81.6% 1★
5★2 (4%)
4★1 (2%)
3★4 (8%)
2★2 (4%)
1★40 (82%)
+0 ratings/week
Praise: great ×5 love ×1 perfect ×1 recommend ×1 awesome ×1Complaints: crash ×17 refund ×10 worst ×2 broken ×1 scam ×1
Top positive
★★★★☆ Problem
DEVELOPERS please fix the problem, I re downloaded it, and it should still have my pics, but I go to try and enter my password and it keeps the greati go screen up and asks to enter passcode then asks to repeat! I need my pics! UPDATE!…
★★★★★ Great app
This app is very useful, just remember to delete the photo in your camera roll
After you save it in the app otherwise the pic could still be visible to anyone
I highly recommend this…
Top negative
★☆☆☆☆ Need a fix
I just downloaded the app and it told me I needed to put in my password clicked ok and it said "error put in password" and goes back and for the between those never letting me try to put in a password…
★☆☆☆☆ Haven't been able to get my files
I've been trying since 2013 to get in to this app and retrieve all my files and pictures and I've yet to be able too. I continue getting an error message despite me uninstalling and reinstalling the app. I also see the developers …
📈Ratings growth22 ratings+120% lifetimeShow 3-year history estimate ▾
Tracked (58 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 PICK Technology Limited
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Full revenue analysis
Read the article-style breakdown for Calculator SAFE – Protect Private Photo & Documents: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.