Comparison

Simple Negative Image vs Blume

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

Head to head
About

Simple Negative Image

Easily invert image colors to create unique artistic effects. This tool allows for the inversion of negatives and positives, transforming ordinary photos into tasteful art-like creations. Perfect for users seeking straightforward image processing.

Highlights
  • Invert image colors
  • Create unique images
  • Generate art-like visuals
  • Process images easily
  • Invert negatives and positives
Features
Read full description

A simple function application that only inverts the color of the image By inverting colors and inverting negatives and positives, you can create unique images and tasteful art-like images. For those who want to process images easily

About

Blume

Features
Read full description

Capture your baby’s growth—one photo a day. Blume makes it simple to build a beautiful visual timeline of your child’s first year (and beyond), so you can look back on every tiny change, milestone, and moment that matters. Take one quick photo each day, and Blume organizes everything into a clean, elegant timeline that grows with your baby. No clutter. No complicated setup. Just a seamless record of their story. Keep your favorite part of the day front and center. Blume’s customizable widget shows your most recent photo directly on your Home Screen—so your baby is always just a glance away. Turn everyday moments into a rewarding journey. As you capture daily photos, you’ll unlock milestones, build streaks, and watch your consistency turn into a meaningful collection of memories. Fast, intuitive, and designed with real parent workflows in mind—Blume helps you build a lasting keepsake without slowing life down. LEGAL INFORMATION • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://blumeapp.netlify.app/ *Features and content are available only with a paid subscription.

Screenshots

Simple Negative Image3 screens
Blume4 screens

Verdict

The call

The clearest difference is in-app purchases: Simple Negative Image at none against Blume's 2. Simple Negative Image also leads on iOS requirement (15.6 vs 26.0). Blume's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price and device support 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. Blume sells 2 in-app purchases, starting at $6.99 per month. Simple Negative Image asks for nothing beyond the download.

UpkeepUpdate frequency

Simple Negative Image ships an update every 2 months, Blume every 4 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Simple Negative Image versus Blume: the parameters behind the verdict, then further details
ParameterSimple Negative ImageBlume
PriceFreeFree
Rating4.5 (122 ratings) — better—
Positive reviews55.6% of reviews—
Number of ratings122 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better26.0
Further details — not scored
Size34 MB55 MB
Age rating4+4+
DeveloperRyouhei AzumaZachary Lehouillier

In-app purchases

None

Simple Negative Image

No in-app purchases

2 purchases

Blume

Subscriptions2
  • Blume Premium$6.991 Month
  • Blume Premium$34.991 Year

Questions

Is Simple Negative Image free?
Simple Negative Image is free to download, with no in-app purchases.
Is Blume free?
Blume is free to download, with in-app purchases available.
Do Simple Negative Image or Blume have ads?
Simple Negative Image shows ads; Blume does not.
Which is updated more often, Simple Negative Image or Blume?
Simple Negative Image ships an update every 2 months, and Blume every 4 days. Most recently, Simple Negative Image was updated on November 3, 2026 and Blume on November 5, 2026.

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