Comparison

Check My Device vs PDFlow

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

Head to head
About

Check My Device

Thoroughly test your iPhone or iPad's display, sensors, connectivity, and other components. Ideal for verifying device functionality before buying, selling, or for long-term use.

Highlights
  • Screen and display tests
  • Multimedia component tests
  • Sensor diagnostics
  • Device parts testing
  • Connectivity checks
  • Warranty and damage checks
Read full description

Test Your iPhone & iPad Before You Buy or Sell Buying a used device? Selling your old one? Run a complete self test to ensure everything works properly. This app acts as your personal device monitor and testerup tool, helping you verify the display, sensors, connectivity, and warranty of any iPhone or iPad. Key Tests Screen & Display • Brightness Test • Color Test • Touch Screen Test • Multi - Touch Test • Pinch Test • Keyboard Typing Test • Notification LED Test Multimedia • Sound Test • Microphone Test • Camera Test • Video Test Sensors • Accelerometer Test • Shake Test • Compass Test • Face ID / Biometric Test • Proximity Sensor Test • Ambient Light Sensor Test • LiDAR Scanner Test Device Parts • GPS Test • Flashlight Test • Vibrate Test • Battery Health Test • Storage Test • RAM Test • CPU Stress Test • SIM card Detection Test • SD Card Test Connectivity • WiFi Test • Bluetooth Test • Hotspot Test • Phone Call Test • NFC Test • IR Blaster Test • Airplane Mode Test • Ultra-Wideband ( UWB ) Test Other Checks • Warranty Check • Activation Lock Check • Water Damage Check • iTunes Sync Test • Button Check • Cosmetic Damage Check Generate Report To View With this app, you can confidently check your iPhone or iPad before buying, selling, or using it long-term. ******* Please Note********** Free Usage Access : > You can test almost all tests ( some tests are not available for free ) by viewing ADs Pro User Access ( Subscription ) > You can test every test and also ADs will be hidden till subscription ends Pro User Access ( Life Time Access ) > You can test every test and also ADs will be hidden for lifetime **************** Privacy Policy Link : https://www.dropouts.in/privacypolicy/privacy-policy.html Terms and Conditions Link : https://www.dropouts.in/privacypolicy/terms-of-use.html

About

PDFlow

This app offers a suite of 9 tools to manage PDF files directly on your device. It allows you to merge, split, compress, reorder, remove, rotate, unlock, protect, and convert PDFs to images without needing an account or internet connection.

Highlights
  • Merge multiple PDFs
  • Split PDFs into ranges or specific pages
  • Compress PDF file size
  • Reorder pages via thumbnail grid
  • Remove pages individually or in bulk
  • Rotate pages within the file
  • Unlock password-protected PDFs
  • Protect PDFs with AES encryption
  • Convert PDF pages to images (JPG/PNG)
Features
Read full description

PDFlow gives your iPhone and iPad 9 PDF tools in one clean app. Merge, split, compress, reorder, remove pages, rotate, unlock, protect, and convert to images — every file is processed on your device, and no account is required to use the tools. BUY ONCE. OWN IT FOREVER. PDFlow Pro is a one-time purchase of $19.99. One payment, full access, no renewal. Prefer to spend less up front? One month costs $2.99 and does not auto-renew. Try every tool first with the free trial. WHAT PDFLOW DOES MERGE — Combine several PDFs into one document. Import from Files, Google Drive, email attachments, or any app. Drag to reorder before merging. SPLIT — Pull out a page range or a set of specific pages from any PDF. Visual thumbnail grid, several output files in one session. COMPRESS — Reduce PDF file size at three levels: Small, Medium, High. The estimated output size is shown before you export, so you know what you are getting. REORDER — A full thumbnail grid. Drag any page to any position and fix a scrambled document in seconds. REMOVE PAGES — Tap to select one page or many, then delete them all in a single action. ROTATE — Rotate pages into the file itself, not just the view, so the fix survives when you send the PDF on. Right, left, or 180°. UNLOCK — Remove password protection from a PDF you own. Nothing is uploaded, nothing leaves your device. PROTECT — Add AES password encryption to any PDF, including files that came from iCloud Drive or Google Drive. TO IMAGES — Convert every page of a PDF to JPG or PNG. All pages at once. Save to Photos or Files, or export the set as a ZIP. PRIVATE BY DESIGN Every tool runs entirely on your iPhone or iPad. Your files are never uploaded to a server, and the tools keep working with no connection at all. Google Drive sign-in exists only as an optional import source — one way in among several, never a requirement. CLEAN INTERFACE One tool per screen. No buried menus, no upsell in the middle of a task, no ads. Open the app, do the job, done. WORKS WITH · Files (iCloud Drive, On My iPhone) · Google Drive · Email attachments · Any app that supports the iOS Share Sheet PRICING · Free trial — try all 9 tools · PDFlow One Month: $2.99 — 30 days, no auto-renewal · PDFlow Lifetime: $19.99 — buy once, own forever Payment is charged to your Apple ID at confirmation of purchase.

Screenshots

Check My Device4 screens
PDFlow4 screens

Verdict

The call

Check My Device and PDFlow both sit at 4.5 stars, but that hides the real split: 100% of PDFlow's written reviews are positive against 47% of Check My Device's. PDFlow also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). Check My Device's advantage is ratings volume (93 vs 2). On price, rating, in-app purchases and monetization model 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. Check My Device sells 3 in-app purchases, starting at $0.99 per 7 days and PDFlow sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Check My Device against 4.5 for PDFlow. That said, the two scores are not equally well evidenced: Check My Device has 93 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 47% of Check My Device's written reviews are positive against 100% of PDFlow's.

UpkeepUpdate frequency

Check My Device ships an update every 3 months, PDFlow weekly. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

Scorecard4 real differences · 6 level
Check My Device versus PDFlow: the parameters behind the verdict, then further details
ParameterCheck My DevicePDFlow
PriceFreeFree
Rating4.5 (93 ratings)4.5 (2 ratings)
Positive reviews47.2% of reviews100.0% of reviews — better
Number of ratings93 — better2
Update frequencyEvery 3 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.617.0 — better
Further details — not scored
Size36 MB10 MB
Age rating4+4+
DeveloperDropouts Technologies LLPTrivialware

Customer experience

Check My Device

All ratings93 ratings
Positive88.2%
Neutral2.2%
Negative9.7%
Written reviews36 reviews
Positive47.2%
Neutral8.3%
Negative44.4%

PDFlow

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Check My Device

Subscriptions1
  • Weekly Subscription$0.997 Days
One-time2
  • Lifetime Discounted Unlock$3.99
  • Lifetime Unlock$7.99
2 purchases

PDFlow

One-time2
  • PDFlow One Month$2.99
  • PDFlow Lifetime$19.99

Questions

Is Check My Device free?
Check My Device is free to download, with in-app purchases available.
Is PDFlow free?
PDFlow is free to download, with in-app purchases available.
Which has better reviews, Check My Device or PDFlow?
Check My Device and PDFlow are both rated 4.5 out of 5 on the App Store, from 93 and 2 ratings respectively.
Do Check My Device or PDFlow have ads?
Check My Device shows ads; PDFlow does not.
Which is updated more often, Check My Device or PDFlow?
Check My Device ships an update every 3 months, and PDFlow weekly. Most recently, Check My Device was updated on October 13, 2026 and PDFlow on October 15, 2026.

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