Comparison

MP3 Merger vs Stamp Studio

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

Head to head
About

MP3 Merger

Easily combine multiple audio files into a single track without needing an internet connection. This tool offers a fast and straightforward way to merge songs, podcasts, or voice recordings without complex editing.

Highlights
  • Merge multiple MP3 files instantly
  • Combine audio without quality loss
  • Offline audio processing
  • Fast and lightweight editor
  • Simple drag-and-merge workflow
  • Supports common audio formats
Features
Read full description

MP3 Merger: Audio Joiner is a simple and powerful audio tool that allows you to combine multiple MP3 files into a single track in seconds. No internet required. No complicated editing tools. Designed for speed and simplicity, MP3 Merger: Audio Joiner helps you merge songs, podcasts, voice recordings, and audio clips into one seamless file. Key Features: • Merge multiple MP3 files instantly • Combine songs without quality loss • Offline audio processing • Fast and lightweight editor • Simple drag-and-merge workflow • Supports common audio formats • No account or signup required Perfect For: • Creating playlists from multiple tracks • Combining voice recordings • Merging podcast segments • Editing music collections • Offline audio organization MP3 Merger: Audio Joiner is built for users who want fast results without complex editing software. Subscription Details: • Title: Savory All Access • Length: 1 year & Lifetime • Price: $49.99 per year, $9.99 per month (auto-renews) and $59.99 Lifetime • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://docs.google.com/document/d/1IysoItFPBXxdxDkkTJ6FRT1Of8qXqAwwB0op5coC1nU/edit?usp=sharing

About

Stamp Studio

Features
Read full description

Stamp Studio is a focused tool for preparing documents on your iPhone or iPad. Import a PDF, add a reusable handwritten signature or custom stamp, and export a finished copy when you are ready to share it. FEATURES • Import PDF documents from Files • Draw and save handwritten signatures • Create reusable business-style stamps and seals • Extract a stamp from a photo or camera image with a transparent background • Move, resize, rotate, and rename signatures and stamps • Place marks on individual PDF pages or create an edge seal across multiple pages • Rename imported files and export a new signed PDF YOUR FILES STAY ON YOUR DEVICE Stamp Studio processes documents, signatures, and stamps locally on your device. Camera and photo-library access are used only when you choose to capture or import an image for stamp extraction. Stamp Studio offers auto-renewable subscriptions. The Terms of Use are governed by the Apple Standard License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

MP3 Merger4 screens
Stamp Studio3 screens

Verdict

The call

The clearest difference is in-app purchases: Stamp Studio at none against MP3 Merger's 3. Stamp Studio also leads on update cadence (monthly vs every 2 months). 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. MP3 Merger sells 3 in-app purchases, starting at $9.99 per month. Stamp Studio asks for nothing beyond the download.

UpkeepUpdate frequency

MP3 Merger ships an update every 2 months, Stamp Studio monthly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard2 real differences · 8 level
MP3 Merger versus Stamp Studio: the parameters behind the verdict, then further details
ParameterMP3 MergerStamp Studio
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.616.0 — better
Further details — not scored
Size16 MB4 MB
Age rating4+4+
DeveloperKELVIN SENANU WALLACEBeijing Yangming Jiuha Technology Co., Ltd

In-app purchases

3 purchases

MP3 Merger

Subscriptions2
  • All Access for a month$9.991 Month
  • All Access for a year$49.991 Year
One-time1
  • All Access Forever$59.99
None

Stamp Studio

No in-app purchases

Questions

Is MP3 Merger free?
MP3 Merger is free to download, with in-app purchases available.
Is Stamp Studio free?
Stamp Studio is free to download, with no in-app purchases.
Do MP3 Merger or Stamp Studio have ads?
Neither MP3 Merger nor Stamp Studio shows ads.
Which is updated more often, MP3 Merger or Stamp Studio?
MP3 Merger ships an update every 2 months, and Stamp Studio monthly. Most recently, MP3 Merger was updated on October 24, 2026 and Stamp Studio on October 28, 2026.

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