Simple Negative Image vs Blume
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Invert image colors
- Create unique images
- Generate art-like visuals
- Process images easily
- Invert negatives and positives
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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
Blume
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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
Verdict
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
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.
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.
| Parameter | Simple Negative Image | Blume |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (122 ratings) — better | — |
| Positive reviews | 55.6% of reviews | — |
| Number of ratings | 122 — better | — |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 26.0 |
| Further details — not scored | ||
| Size | 34 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryouhei Azuma | Zachary Lehouillier |
In-app purchases
Simple Negative Image
No in-app purchases
Blume
- Blume Premium$6.991 Month
- Blume Premium$34.991 Year
Questions
Is Simple Negative Image free?
Is Blume free?
Do Simple Negative Image or Blume have ads?
Which is updated more often, Simple Negative Image or Blume?
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