Comparison

Folder Lock vs Yetter Air Adjust

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Folder Lock

Secure your private files, photos, videos, and sensitive information with password protection and encryption. This app also functions as a file manager, allowing wireless transfers and secure browsing, acting as a comprehensive tool for smartphone data security and privacy.

Highlights
  • Password-protect files and folders
  • Encrypt sensitive data
  • Secure private photos and videos
  • Wireless file transfer (PC/Mac)
  • Password manager
  • Secure notes and wallet cards
  • Secure browser
Features
Read full description

Folder Lock lets you password-protect your personal files, photos, videos, documents, contacts, wallet cards, password manager, notes and audios in your iPhone. Apart from being a perfect cross-platform data security app, Folder Lock is a perfect WiFi manager app too, as you can transfer files from your iPhone to PC/Mac, or vice versa, wireless via Folder Lock. Its WiFi Music Manager feature allows you the options of audio import, music import, song import and mp3 import without using iTunes. Introducing Gallery Lock, which locks your photos and videos. It’s Gallery Lock, Photo Lock and Video Lock options allow you to secure and view your personal photos and videos in their respective windows. In all, this app is the Swiss army knife for smart phone data security and privacy app as well as a perfect file manager. So lock everything with Folder Lock! It is a cross-platform data security application that allows you to lock and encrypt files, back up and sync data online with Google Drive, OneDrive, and Dropbox on multiple devices and create secure wallets. Additional features include Password Manager, Panic Switch and Hack Security. FEATURES: • Lock Files and Folders • Encrypt Files and Folders • Protect private photos • Hide sensitive videos and pictures • Password-protect secret audios • Lock down important documents •Back up and sync data online with Google Drive, OneDrive, and Dropbox • Write secure notes • Import Saved Contacts • Lock Videos • Lock Photos • Create secret Contact • Secure Browser (leaves no traces and privacy enabled) • Audio Import • Password Manager • Save Protected Wallet Cards - Credit Cards - Bank Accounts - ID / Social Security - Driver’s License details - Business Cards - Business Info - Health and Hygiene - Passport details - General Purpose Cards • Import files from - Photo Gallery - Music - Camera - PC / MAC - Secure Browser • View, Run and Play - Media Player for videos - Audio Player for music and audios - Picture Viewer for Photos - Document Editor for Documents • Settings and Options - Hacker Deterrents - Brute force attack prevention - Take images of unauthorized login attempts - Logs unauthorized login attempts - Deterrents on multiple invalid login attempts FORMATS SUPPORTED: • Documents: doc, docx, ppt, pptx, xls, xlsx, pdf, epub, txt • Pictures: png, jpg, bmp, gif • Videos: aac, m4v, mp4, mov, wmv, avi, aiff, wav, aax, aax+ • Audios: aac, he-aac, mp3, aax, aiff, wav, wma • Archives: rar, tar, gzip, 7z, gz, log, torrent, pps https://www.newsoftwares.net/legal/folder-lock-eula/ https://www.newsoftwares.net/legal/privacy/

About

Yetter Air Adjust

Features
Read full description

The Yetter 2940 Air Adjust System App interfaces with the 2940 Control Box Modules via a Wi-Fi signal to allow the user to adjust pneumatic residue managers and other products from the tractor cab for quick and easy adjustments. This app controls the pneumatic components to quickly and accurately fill or release air as adjustments to air pressures are made or called for. This app features 5 quick adjust button presets to quickly change for field conditions, +/- 1 or 5 psi increment changes, one touch raise and lower function, system pressure monitoring, and a variety of MENU options. For more information, call 800-447-5777 or email us, info@yetterco.com.

Screenshots

Folder Lock4 screens

Verdict

The call

The clearest difference is in-app purchases: Yetter Air Adjust at none against Folder Lock's 3. Yetter Air Adjust also leads on ads (none vs shown) and iOS requirement (12.2 vs 15.0). Folder Lock's advantage is update cadence (every 2 months vs every 11 months) and device support (3 vs 1). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Folder Lock sells 3 in-app purchases, starting at $0.99 per 7 days. Yetter Air Adjust asks for nothing beyond the download.

UpkeepUpdate frequency

Folder Lock ships an update every 2 months, Yetter Air Adjust every 11 months. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.

Scorecard5 real differences · 5 level
Folder Lock versus Yetter Air Adjust: the parameters behind the verdict, then further details
ParameterFolder LockYetter Air Adjust
PriceFreeFree
Rating4.2 (1.8K ratings) — better—
Positive reviews32.4% of reviews—
Number of ratings1.8K — better—
Update frequencyEvery 2 months — betterEvery 11 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS15.012.2 — better
Further details — not scored
Size67 MB182 MB
Age rating17+4+
DeveloperNewSoftwares.netYetter Farm Equipment

Bugs and requests

Folder Lock

Reported bugs

4 issues
  • Photos and videos becoming corrupted or lost
  • App crashing on launch or during use
  • Login/password reset functionality not working
  • Inability to access or transfer stored files

Requested features

4 requests
  • Ability to recover lost data
  • Improved file management options
  • Cross-device syncing capabilities
  • Better customer support responsiveness

Yetter Air Adjust

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Folder Lock

Subscriptions2
  • Folder Lock Weekly$0.997 Days
  • Folder Lock Subscription$39.991 Year
One-time1
  • Unlocked Feature Pack$3.99
None

Yetter Air Adjust

No in-app purchases

Questions

Is Folder Lock free?
Folder Lock is free to download, with in-app purchases available.
Is Yetter Air Adjust free?
Yetter Air Adjust is free to download, with no in-app purchases.
Do Folder Lock or Yetter Air Adjust have ads?
Folder Lock shows ads; Yetter Air Adjust does not.
Which is updated more often, Folder Lock or Yetter Air Adjust?
Folder Lock ships an update every 2 months, and Yetter Air Adjust every 11 months. Most recently, Folder Lock was updated on October 12, 2026 and Yetter Air Adjust on October 3, 2026.

Other comparisons