Comparison

Avira Mobile Security vs Shrink Audio Size

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

Head to head
About

Avira Mobile Security

Enhance your iPhone's privacy and security with a VPN for anonymous browsing, identity protection against email leaks, and web protection against malicious sites. It also includes call blocking and contact backup features.

Highlights
  • Free VPN for anonymous browsing
  • Identity Safeguard for email leak detection
  • Web Protection against phishing and malware
  • Call Blocker for unwanted calls
  • Contacts Backup and Restore
  • Device Analyzer for storage and memory
Features
Read full description

Why iPhones deserve Avira? We’re a multi-award-winning German security company with +30 years of experience and a global vision: To keep people connected and secure in our digital world. Avira loves iPhones. Your phone is state-of-the-art—give it privacy and security to match: • Care about your Privacy? Keep your data safe and your online activity anonymous with our Free VPN • Email leaked? Find out fast with Identity Safeguard • Browsing online? Web Protection checks the safety of sites first Avira Mobile Security protects your phone: • VPN: Secure your connection with a simple push of a button for complete privacy as you surf. When you use our VPN, all your data goes through a secure connection—so it can’t be intercepted or stolen. Plus, we use military-grade encryption to keep your data extra safe. The auto-secure function detects if your WiFi network is untrusted, and we promise our servers don’t save your log files. • Web Protection: Like online shopping and banking? Do you store your credit card details online? This categorizes and blocks phishing, malware, spam, and fraud so you can browse freely and safely. • Identity Safeguard: Find out if your email addresses have been hacked. Schedule the frequency (once a day/week/month), and we’ll automatically scan your email, and those of your contacts, to check whether they were leaked online in a security breach. • Call Blocker: Create your own blacklist and block spam and other unwanted calls and texts. • Contacts Backup: Easily back up and restore contacts straight from your phone and send them to your email, Dropbox, or Google Drive. Avira Mobile Security lets nothing stand in the way of your iPhone’s awesomeness: • Device Analyzer: View your iPhone’s use of storage and memory to see where you can make gains. * VPN service is not available for use within India as a result of governmental regulations requiring the logging and saving of user data, but you can still use your VPN service when traveling outside of India. Avira Mobile Security keeps everything you do between you and your iPhone: Privacy Policy available at https://www.avira.com/en/general-privacy Terms and Conditions available at https://www.avira.com/en/legal-terms

About

Shrink Audio Size

Features
Read full description

Shrink Audio Size makes large audio files smaller so they’re easier to email, message, save, and share — all directly on your iPhone. No uploads. No accounts. No cloud processing. What you can do: • Compress audio for easier sharing • Choose Email-Friendly, Balanced, or High Quality presets • See the new file size and percentage saved • Save the compressed file to Files • Share it with Mail, Messages, AirDrop, WhatsApp, and more • Keep your audio private with fully on-device processing Simple from start to finish: Pick an audio file, choose a preset, and tap Shrink Now. The app shows you the compressed size and how much space you saved, then lets you save or share the result immediately. No complicated settings. No confusing workflow. Just smaller audio when you need it. Privacy first: Your audio never leaves your device. Shrink Audio Size does not upload your files, require an account, or send your audio to a server.

Screenshots

Avira Mobile Security4 screens
Shrink Audio Size4 screens

Verdict

The call

The clearest difference is price: Avira Mobile Security at Free against Shrink Audio Size's $2.99. Avira Mobile Security also leads on update cadence (monthly vs every 7 months) and device support (3 vs 1). Shrink Audio Size's advantage is in-app purchases (none vs 10). On ads 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

Avira Mobile Security is free to download; Shrink Audio Size costs $2.99 up front. Avira Mobile Security sells 9 in-app purchases, starting at $1.99 per month. Shrink Audio Size asks for nothing beyond the download.

UpkeepUpdate frequency

Avira Mobile Security ships an update monthly, Shrink Audio Size every 7 months. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

Scorecard5 real differences · 5 level
Avira Mobile Security versus Shrink Audio Size: the parameters behind the verdict, then further details
ParameterAvira Mobile SecurityShrink Audio Size
PriceFree — better$2.99
Rating4.3 (4.7K ratings) — better—
Positive reviews67.0% of reviews—
Number of ratings4.7K — better—
Update frequencyMonthly — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better17.6
Further details — not scored
Size83 MB2 MB
Age rating4+4+
DeveloperAvira HoldingOpsOh LLC

Bugs and requests

Avira Mobile Security

Reported bugs

5 issues
  • Login/account issues, unable to restore purchases
  • Inconsistent VPN behavior, frequently turning off
  • Scanning issues, getting stuck at certain percentages
  • Compatibility problems with newer iOS versions
  • Unexplained charges and subscription issues

Requested features

5 requests
  • Dark mode option
  • Improved VPN functionality and reliability
  • Better customer support and communication channels
  • Ability to selectively delete duplicate photos
  • More transparency on free vs paid features

Shrink Audio Size

Not enough reviews yet to summarise bugs or requests.

In-app purchases

9 purchases

Avira Mobile Security

Subscriptions9
  • Identity & Web Protection$1.991 Month
  • Ultimate Security - Pro + VPN$3.491 Month
  • Identity & Web Protection$5.491 Year
Show 6 more
  • Pro: Identity & Web Protection7 Days trial$5.491 Year
  • Identity & Web Protection2 variants$14.991 Year
  • Ultimate Security - Pro + VPN$22.991 Year
  • Prime Mobile Trial$22.991 Year
  • Pro+Unlimited VPN+Spam Caller$29.991 Year
  • Pro+Unlimited VPN+Spam Caller$34.991 Year
None

Shrink Audio Size

No in-app purchases

Questions

Is Avira Mobile Security free?
Avira Mobile Security is free to download, with in-app purchases available.
Is Shrink Audio Size free?
Shrink Audio Size costs $2.99, with no in-app purchases.
Do Avira Mobile Security or Shrink Audio Size have ads?
Neither Avira Mobile Security nor Shrink Audio Size shows ads.
Which is updated more often, Avira Mobile Security or Shrink Audio Size?
Avira Mobile Security ships an update monthly, and Shrink Audio Size every 7 months. Most recently, Avira Mobile Security was updated on November 7, 2026 and Shrink Audio Size on October 31, 2026.

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