Comparison

Shady Encoding vs UnderMB

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

Head to head
About

Shady Encoding

Features
Read full description

Shady Encoding turns plain text into fun coded messages using simple, key-based transformations (think classic Caesar-style ciphers). Create a custom key, encode a message, and share it. To make sharing easy, you can export and import keys using QR codes. FEATURES • Encode and decode text with your own keys • Save and manage multiple keys (name them, reuse them) • Export keys as a QR code • Import keys by scanning a QR code • Copy or share encoded text via the iOS Share Sheet • Works offline — no account required IMPORTANT Shady Encoding is for puzzles, learning, and light obfuscation. It is not secure encryption and should not be used to protect sensitive information. “What’s New” (Version Notes) Initial release. Encode/decode messages with custom keys and share keys via QR codes.

About

UnderMB

Reduce the size of photos, videos, audio, and PDFs on your device. Select a target file size or use presets for common uploads like email or chat apps. Preview your compressed files before saving or sharing, with optional metadata removal.

Highlights
  • Compress images, videos, audio, and PDFs
  • Choose target file size (KB/MB)
  • Built-in presets for uploads
  • Preview before saving
  • Optional metadata removal
  • Batch processing
Features
Read full description

UnderMB helps you reduce photo, video, audio, and PDF file sizes to fit common upload limits. Processing happens on your device. WHAT IT DOES • Choose a target size: 500 KB, 1 MB, 2 MB, 5 MB, or a custom value • Compress images, videos, audio files, and PDFs • Preview results before saving or sharing • Built-in presets for email, visa forms, WhatsApp, and similar uploads • Optional metadata removal (EXIF/GPS, PDF info) • Batch queue for multiple files • Save to Files or share from the app PRIVACY UnderMB does not require an account. Files are processed locally and are not uploaded to UnderMB servers. GOOD FOR • Forms and portals with file size limits • Smaller email attachments • Chat apps with upload caps • Reducing file size before sharing

Screenshots

Shady Encoding4 screens
UnderMB4 screens

Verdict

The call

The clearest difference is ads: Shady Encoding at none against UnderMB's shown. UnderMB's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.2). On price and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard3 real differences · 6 level
Shady Encoding versus UnderMB: the parameters behind the verdict, then further details
ParameterShady EncodingUnderMB
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Every 11 days
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.215.0 — better
Further details — not scored
Size2 MB9 MB
Age rating4+4+
DeveloperSergey TereshkinCEMRE SIMSEK

In-app purchases

None

Shady Encoding

No in-app purchases

None

UnderMB

No in-app purchases

Questions

Is Shady Encoding free?
Shady Encoding is free to download, with no in-app purchases.
Is UnderMB free?
UnderMB is free to download, with no in-app purchases.
Do Shady Encoding or UnderMB have ads?
UnderMB shows ads; Shady Encoding does not.

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