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Undertone vs BannerSplitter

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Undertone compared with BannerSplitter
DetailUndertone logo UndertoneBannerSplitter logo BannerSplitter
What it doesSee why colors work Free TikTok banner splitter: turn one image into a swipe-through profile banner
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: Original view, Temperature map, Value structure, Saturation map, Palette and Harmony for every image, 20 analyses at a time. Lifetime Premium: one-time purchase includes Composition guides, Contrast map, tinted value bands, unlimited history, full-res export. No subscription. Free: all standard layouts, seam checks, video banners, no watermark or account. Pro: $9.90 one-time (plus local tax), includes batch splitting up to 20 images, custom grids 1×1 to 5×5, custom tile sizes 200–4096 px, file naming templates, and no ads.
Key features
  • Palette with proportions showing dominant colors sized by image weight
  • Color harmony identification (Complementary, Analogous, Triadic, Split-complementary, Tetradic, Square, Monochromatic)
  • Temperature map showing warm and cool distribution across image
  • Value structure divided into clear zones (light, mid-tone, dark)
  • Saturation map showing vivid and muted areas
  • Composition guides identifying classic guides like golden ratio and rule of thirds
  • Contrast map showing where the eye lands first (Premium)
  • Painter-friendly color names (Yellow Ochre, Payne's Gray, etc.)
  • Local device processing with no image uploads
  • Works offline with no account required
  • Splits images into 1×3, 2×3 or 3×3 TikTok tiles with exact 1080×1440 px output
  • Seam check and reassembled preview shows tiles re-joined to verify alignment before posting
  • No upload to servers; all processing happens in your browser
  • Downloads all tiles in one ZIP with standard sequential naming (tiktok-banner-1.png, -2, -3)
  • Works with HEIC photos directly from iPhone without conversion to JPG
  • Supports video banners: split a clip into 3, 6 or 9 MP4s with matching covers
  • Instagram 4:5 grid tiles for profile murals with same 3:4 layout logic
  • Full-screen 9:16 vertical layout option at 1080×1920 px
  • Pro: batch split up to 20 images into one ZIP with each as a folder
  • Pro: custom grids from 1×1 to 5×5 with any tile size 200–4096 px and file naming templates
What makes it different
  • Shows color proportions, not just colors, recognizing that a 60/5 split is fundamentally different from 50/50
  • Four layers of analysis together show relationships single layers cannot reveal
  • Built by people who actually mix paint with painter-friendly vocabulary
  • Lifetime Premium with single payment, no subscription model
  • All data stays on device, no account signup required
  • No watermark, no account, no login, nothing uploaded to servers
  • Reassembled preview shows the banner lined up before you post, catching misalignments
  • Exact pixel-perfect tiles every time with seam and safe-zone warnings for text and faces
  • Sequential file numbering and posting order diagram prevent mirrored or misaligned banners
Community votes00
DR (Domain Rating by Ahrefs)8 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)327
Referring domains (Majestic)312

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