Comparison

Audio Speed Modifier vs MemFlow

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

Head to head
About

Audio Speed Modifier

Features
Read full description

An simple, lightweight and free app for changing audio and video playback speed and pitch and for creating A/B loops

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.

Screenshots

Audio Speed Modifier2 screens
MemFlow3 screens

Verdict

The call

The clearest difference is in-app purchases: MemFlow at none against Audio Speed Modifier's 1. MemFlow also leads on update cadence (daily vs every 10 days). On price, ads, device support and iOS requirement 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. Audio Speed Modifier sells 1 one-off in-app purchase. MemFlow asks for nothing beyond the download.

UpkeepUpdate frequency

Audio Speed Modifier ships an update every 10 days, MemFlow daily. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 4 level
Audio Speed Modifier versus MemFlow: the parameters behind the verdict, then further details
ParameterAudio Speed ModifierMemFlow
PriceFreeFree
Update frequencyEvery 10 daysDaily — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better17.6
Further details — not scored
Size58 MB8 MB
Age rating4+4+
DeveloperNa Liang加康 王

In-app purchases

1 purchases

Audio Speed Modifier

One-time1
  • Pro Lifetime$2.99
None

MemFlow

No in-app purchases

Questions

Is Audio Speed Modifier free?
Audio Speed Modifier is free to download, with in-app purchases available.
Is MemFlow free?
MemFlow is free to download, with no in-app purchases.
Do Audio Speed Modifier or MemFlow have ads?
Neither Audio Speed Modifier nor MemFlow shows ads.
Which is updated more often, Audio Speed Modifier or MemFlow?
Audio Speed Modifier ships an update every 10 days, and MemFlow daily. Most recently, Audio Speed Modifier was updated on September 17, 2026 and MemFlow on September 18, 2026.

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