Comparison

MemFlow vs Magnetometer...

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

Head to head
About

MemFlow

Features
Read full description

Human memory is naturally fading, but MemFlow ensures your moments last forever. MemFlow isn't just a simple voice recorder—it is your personal "Audio Memory Engine," designed to securely capture, log, and retrieve the soundscapes of your life. Whether it’s an unpredictable brainstorming session you wish you had recorded, the laughter of a loved one, or a day-long conference, our memory-first continuous loop recording guarantees you never lose the audio that matters. Why MemFlow? The "Memory-First" Approach: · The "Memory Loop" Archiving: Let the app securely run in the background as your daily safety net. Our crash-safe loop engine works tirelessly so you never have to say, "I wish I had recorded that memory." · Life Logging & Audio Journaling: Stop relying solely on fading human recollection. Create a permanent, warm sonic archive of your daily life. Effortlessly look back, listen, and retrieve the exact feelings of your past memories anytime. · Meeting & Lecture Focus: Record hours of audio without stressing over storage limits or unexpected app crashes. Built for dependable knowledge retention by students and professionals. · Instant Memory Capture: Quick, single-tap ambient recording right from the Lock Screen via Live Activities when unpredictable inspiration strikes. Key Features Built For Retention: · Indestructible Memory Vault: Crash-safe, high-quality audio capture optimized for long sessions and sustained background processing, ensuring zero data loss. · AirPods Portable Memory Device: Full support for AirPods audio routing seamlessly turns your wireless earbuds into a wearable, real-time life-logging recorder, capturing inspiration wherever you go. · Interactive Live Activities: Keep a pulse on your active memory recording directly from the Lock Screen or Dynamic Island with a beautiful bouncing audio visualizer. · Visual Memory Feed (Timeline): Navigate your past with crystal clarity through an elegantly designed, auto-scrolling timeline feed of all your retained memories. · Seamless Export & Cleanup: Intelligent background processing ensures your audio memories are securely saved to local storage while device memory is automatically managed, without interrupting your thought process. · Glass-blur Premium Aesthetic: Reviewing your memories should be a pleasure. Enjoy a modern, serene UI with satisfying micro-interactions that brings joy to memory retrieval. Capture your world. Retain your memories. Let it flow.

About

Magnetometer...

Features
Read full description

Turn your phone into a real-time magnetometer and magnetic field measurement tool. Magnetometer uses your device’s built-in magnetic sensor to measure magnetic field strength in µT. View X, Y and Z axis readings, track changes, record measurements, review history, and export your data as CSV. REAL-TIME MAGNETOMETER • Real-time magnetic field strength in µT • Individual X, Y and Z axis readings • Total magnetic field strength • Absolute and relative measurement modes • Custom baseline for measuring relative changes • Calibration guidance to help improve sensor accuracy MAGNETIC FIELD ALERTS Set a custom threshold and receive optional sound and vibration alerts when magnetic field strength exceeds your selected level. RECORDING & HISTORY Record magnetic field measurements over time and review saved sessions later. • Live recording and timeline • Current, minimum, maximum and average readings • X, Y and Z measurement data • Recording timestamps and duration • Detailed graphs and statistics • Measurement mode and sample information • Rename or delete recordings • Refresh or clear measurement history CSV EXPORT Export recorded magnetic field data as CSV for spreadsheets, analysis, experiments or other projects. CUSTOMIZATION & EXTRAS • 4 visual styles: Dark Green, Light Green, Neon and Warm • Support for 77+ languages • Offline mode available with subscription • Ad-free experience available with subscription • Built-in feedback and suggestions USE MAGNETOMETER FOR Explore magnetic fields, compare field strength between objects or locations, detect magnetic changes, test your phone’s magnetic sensor, run experiments and demonstrations, or record measurements for later analysis. Magnetic field readings depend on your device’s built-in magnetometer and calibration. Nearby magnets, metal objects and electronics may affect measurements. This app is intended for general measurement, experimentation and educational use and is not a replacement for calibrated professional equipment. LICENSED APPLICATION END USER LICENSE AGREEMENT: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MemFlow3 screens
Magnetometer...4 screens

Verdict

The call

The clearest difference is in-app purchases: MemFlow at none against Magnetometer...'s 2. MemFlow also leads on ads (none vs shown). Magnetometer...'s advantage is iOS requirement (15.0 vs 17.6). On price 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. Magnetometer... sells 2 in-app purchases, starting at $1.99 per month. MemFlow asks for nothing beyond the download.

Scorecard3 real differences · 3 level
MemFlow versus Magnetometer...: the parameters behind the verdict, then further details
ParameterMemFlowMagnetometer...
PriceFreeFree
Update frequencyDaily—
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size8 MB97 MB
Age rating4+4+
Developer加康 王Olga Ivanova

In-app purchases

None

MemFlow

No in-app purchases

2 purchases

Magnetometer...

Subscriptions1
  • magnetometer_by_oliva_subscription$1.991 Month
One-time1
  • magnetometer_by_oliva_donation$1.99

Questions

Is MemFlow free?
MemFlow is free to download, with no in-app purchases.
Is Magnetometer... free?
Magnetometer... is free to download, with in-app purchases available.
Do MemFlow or Magnetometer... have ads?
Magnetometer... shows ads; MemFlow does not.

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