Comparison

Recording Flashcard vs Stud + Metal Scanner

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

Head to head
About

Recording Flashcard

Features
Read full description

Record answers, play them back, pick TTS language, track missed cards, restart anytime. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Stud + Metal Scanner

Instantly locate studs, screws, and nails behind walls, or measure magnetic fields (EMF) using your iPhone's built-in sensor. This dual-mode utility is perfect for DIY projects, home improvement, and scientific exploration.

Highlights
  • Stud finder mode
  • Magnetometer (EMF) mode
  • Detect studs, screws, nails, and metal
  • Measure magnetic fields in real-time
  • Graph view for field changes
  • Pause scans for precision readings
  • Re-zero sensor for accuracy
Read full description

Detect studs, screws, nails, and measure magnetic fields (EMF) instantly with your iPhone. Two powerful modes in one app: Stud Finder & Magnetometer — works entirely on your iPhone. Perfect for DIY enthusiasts, home improvement projects, tech experiments, educational purposes, contractors, engineers, and anyone curious about magnetic fields or hidden metal. Stud Finder Mode Locate wall studs, screws, nails, metal pipes, and hidden metal objects behind drywall, plaster, and panel walls. Accurate readings using your iPhone's built-in magnetic sensor. Pro Tip: Hold the bottom third of the back near the wall — that's where the sensor is. Pause scans to note field values. Re-zero the sensor anytime for accurate readings. Ideal for hanging shelves, picture frames, cabinets, mirrors, or TVs without guesswork. Magnetometer Mode (EMF Detection) Measure magnetic fields in real time with a live graph. Detect EMF levels, metal objects, and magnetic anomalies. Perfect for students, engineers, hobbyists, STEM labs, and science fairs. Level Finder Mode (New in 2.1) Turn your iPhone into a precision spirit level — no extra hardware needed. Place your phone flat on a surface or hold it upright against a wall edge to measure tilt in real time. Locks with haptic feedback and a gentle audio tone the instant you hit perfect horizontal. Rotate to landscape for a full-screen gauge with a large degree readout. Ideal for hanging shelves, mirrors, TVs, tile work, carpentry, and furniture assembly. Three-in-One Functionality Find studs, detect magnetic fields (EMF), and level surfaces — all from one app. Perfect for home DIY, construction, school labs, STEM experiments, or curiosity-driven exploration. Provides actionable, real-time feedback for home improvement and tech applications. Why Users Love Stud + Metal Scanner Clean interface for scanning walls or visualizing magnetic fields. Real-time feedback ensures you never miss studs, screws, nails, or metal objects. Graph mode provides instant visual confirmation of field changes. Safe and reliable for home improvement, DIY, and tech explorations. Lightweight and fast Perfect for casual users, contractors, and technical professionals. Ideal for detecting hidden studs, metal objects, or performing STEM experiments. Pro Tips Move your iPhone slowly along walls for optimal detection. Re-zero the sensor whenever needed for accurate readings. Combine Stud Finder and Magnetometer modes to validate readings. Bottom third of iPhone back is optimal for scanning. Use Cases & Applications Hang shelves, TVs, picture frames, cabinets, mirrors, or artwork safely. Detect metal studs, screws, nails, wall anchors, and metal pipes. Explore magnetic fields in classrooms, labs, science fairs, or DIY tech projects. Measure EMF levels for STEM projects, experiments, or educational purposes. Identify hidden metal objects, magnetic anomalies, or ferrous materials. Track magnetic field trends visually with the graph for experiments or demonstrations. Perfect for homeowners, contractors, engineers, students, hobbyists, and interior designers and renovation professionals Curious minds exploring EMF or magnetic fields, STEM classrooms, educational labs, or science fairs Why Download Dual functionality: Stud Finder + Magnetometer Visual feedback: Graph shows field changes in real time Reliable: Perfect for home, school, or lab use Sensor guidance: Bottom third of iPhone back is optimal for scanning Versatile: DIY projects, home improvement, STEM experiments, and tech enthusiasts Download Stud + Metal Scanner now to make your next project easier, safer, and more accurate. Detect studs, screws, nails, metal objects, or explore magnetic fields (EMF) - all from your iPhone! Start scanning today and experience the most versatile Stud Finder & Magnetometer utility app on the App Store!

Screenshots

Recording Flashcard3 screens
Stud + Metal Scanner4 screens

Verdict

The call

The clearest difference is in-app purchases: Stud + Metal Scanner at none against Recording Flashcard's 2. Stud + Metal Scanner also leads on iOS requirement (15.6 vs 17.2). Recording Flashcard's advantage is update cadence (every 4 months vs every 9 months). On price, ads and device support 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. Recording Flashcard sells 2 in-app purchases, starting at $9.99 per month. Stud + Metal Scanner asks for nothing beyond the download.

UpkeepUpdate frequency

Recording Flashcard ships an update every 4 months, Stud + Metal Scanner every 9 months. Both last shipped on October 24, 2026.

Scorecard3 real differences · 7 level
Recording Flashcard versus Stud + Metal Scanner: the parameters behind the verdict, then further details
ParameterRecording FlashcardStud + Metal Scanner
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyEvery 4 months — betterEvery 9 months
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, Mac — betteriPhone, iPod
Requires iOS17.215.6 — better
Further details — not scored
Size1 MB5 MB
Age rating4+4+
DeveloperNhat Linh DangPRADEEP CHENDURAN BALASUNDARAM

In-app purchases

2 purchases

Recording Flashcard

Subscriptions2
  • Monthly Premium Access$9.991 Month
  • Yearly Premium Access$39.991 Year
None

Stud + Metal Scanner

No in-app purchases

Questions

Is Recording Flashcard free?
Recording Flashcard is free to download, with in-app purchases available.
Is Stud + Metal Scanner free?
Stud + Metal Scanner is free to download, with no in-app purchases.
Do Recording Flashcard or Stud + Metal Scanner have ads?
Neither Recording Flashcard nor Stud + Metal Scanner shows ads.
Which is updated more often, Recording Flashcard or Stud + Metal Scanner?
Recording Flashcard ships an update every 4 months, and Stud + Metal Scanner every 9 months. Most recently, Recording Flashcard was updated on October 24, 2026 and Stud + Metal Scanner on October 24, 2026.

Other comparisons