📊 29K iOS Apps Tracked Updated 5 min ago ⚡ Revenue Forecasts
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45
BU Score
Emerging

Filer

2.8 ✍️ Editor
✍️ bumetric analysis

Filer is an iOS app from Dan Leehr L.L.C. in the Productivity category, currently rated 2.8★ across 26 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Our BU Score puts it at 45: 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
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since first record
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💰 Forecast Revenue / mo

MODEL
Revenue 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 11 of 11 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
worth every pennyREVIEW
+$2,000
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
excellent appREVIEW
+$1,500
Below-average rating (2.8★)METRIC
−$1,500
Mature app (16y old)METRIC
+$1,500
highly recommendREVIEW
+$1,400
slowREVIEW
−$1,200
Single-language (English only)METRIC
−$400
Pre-traction phase (26 ratings)METRIC
−$300
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 9 MB🔞 17+📱 iOS 8.0+🔖 v3.1.1🔄 updated 9y ago🌐 EN📂 Productivity💰 Paid🚀 Launched 2009 (16y old)

📝 About this app

64-bit, optimized for all the latest devices
Designed for iPad, iPhone, and iPod Touch.
Dropbox and WebDAV, Background Downloads, and More
"The very best app to help you download your files is called Filer." - appadvice.com

-------- Overview --------

Get your files anywhere!

Filer is a unique application for iOS devices that lets you manage, view, and share your files. You can get your files on the go when you do have a network connection, and view them when you don't.

-------- Features --------

File Manager:
* Clean UI with full featured File/Folder browser
* Save files from other iOS apps - Use Filer to extract ZIP/RAR/TAR/Gzip Archives from any app that makes them available
* Open files into other apps like iBooks, Pages, Numbers, Keynote.
* Full-screen Quick-Look
* Document Viewer features Page controls and quick slider
* Enhanced media playback
* iTunes USB File Sharing: Quickly drag and drop files between your device and Mac/PC
* Save Photos to Device Photo Album
* Move/Delete Multiple Files/Folders at once

Multitasking:
* Uploads/Downloads continue in the background
* Fast App Switching
* Background Audio Playback
* Background Compress and Extraction
* App Badge shows transfer count

Dropbox and WebDAV:
- Connect to a server and upload/download/manage files
- Sync what you want, keep files on your device

Archive Support:
- Unarchive RAR, ZIP, TAR, and Gzip Archives.
- Unarchive multi-part RAR Archives
- Compress Files/Folders to ZIP

Downloading:
- Download and save files to your device
- Monitor/Manage downloads in graphical queue with progress, speed, and time remaining
- Pause/Resume downloads, quit/relaunch the app and resume
- Auto-Download Option
- Smart Download to handle complex redirects

Web Browser:
- Download Mode to Download any link you tap
- Fully featured Bookmark and Bookmarklet function
- HTTP Auth and Self-Signed SSL Support
- Tap-and-Hold links for additional options

File Viewing:
- AirPlay Video support
- Viewing of all document/media types viewable by iOS
- HDMI and VGA Out for Video Files
- Scroll Bar to quickly jump anywhere in long documents
- Documents, audio, and video files remember where you left off
- Photo Slideshows
- Source Code color-coding

Sharing:
- Email files from Filer (Under 15MB)
- Save Photos/Videos to Device photo album where other apps can use them
- Web Sharing, optimized for Downloading
- iTunes USB Sharing
- Dropbox upload and download

Misc:
- Bookmarklet for Safari lets you launch Filer with the current page address
- Built-in help files
- Passcode Lock to protect your data

---- Customer Testimonials (Downloader) -----

Ha! - "This is awesome...this program has eliminated about 80 percent of my need for tethering, I'm very excited about that."

Very useful app and thorough! - "This is a Huge time-saver, allowing me to grab large PDF files without having to re-download every time"

Perfect - "Great app that adds functionality sorely missing from Safari"

Amazing App - "I don't know how I did without it!"

-------- Press --------
+ Awarded "Essential App" from appadvice.com
+ "There are many file utility applications for mobile devices, but the Downloader app pairs a fully-featured program with an integrated web browser, making it super-easy to use." - SmokinApps.com
+ Awarded "Better" Rating from AppReview.com

-------- Notes --------

+ Filer is rated 17+ due to web access through the integrated browser.

-------- Support --------
For support, please visit the support link. We have no way to respond to App Store reviews.

🆕 What's New · v3.1.1

This update from Apple will improve the functionality of this app. No new features are included.

Fixes a first-time launch issue on iPad

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Filer
Developer
Dan Leehr L.L.C.
Bundle ID
com.hammockdistrict.downloader
App Store URL
Open in App Store
Category
Productivity
Content rating
17+
Languages
EN

Company

Website
hammockdistrict.com
Tagline
Crafting Hammock-tested iOS Software since 2009
Description
Hammock-tested software for iPhone and iPad
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
$21.4K/mo
Top-grossing rank
Outside top 100 in US Productivity
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
https://twitter.com/leehro
LinkedIn
Not found
GitHub
http://github.com/Leehro/DLSFTPClient
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
facebook · github · twitter
Email
support@hammockdistirct.com
Phone
Not found
Contact page
Not found
About page
https://hammockdistrict.com/about
📈Ratings growth26 ratings+-89% lifetimeShow 3-year history estimate ▾Dec 2012Jan 2020May 2026
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.

Similar apps in Productivity

Full revenue analysis
Read the article-style breakdown for Filer: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →