ColorGrail vs Simple Passe
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ColorGrail
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ColorGrail is an innovative application for measuring accurate color spectrum with your smartphone. It can scan surfaces and measure absolute colors with spectrometer grade precision. Print, Paint, Cosmetic, Textile, Industry, Healthcare ..., ColorGrail brings true colors in your hands. An external accessory is required to use the app at its full potential.
Simple Passe
Easily add custom borders to your photos. Select border color and width, then apply to any image. The app saves a new image with borders, perfect for enhancing your social media galleries with an elegant look.
- Add custom borders
- Select border color
- Adjust border width
- Save bordered images
- Enhance social media photos
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Simple Passe allows you to effortlessly add beautiful borders to your images. Simply select the border color and width, choose an image, and a new image with borders will be saved to your Photos. With the default settings, this application creates images that enhance your Instagram gallery with an elegant sense of air and space.
Screenshots
Verdict
The clearest difference is update cadence: ColorGrail at every 2 months against Simple Passe's every 12 months. ColorGrail also leads on iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
ColorGrail ships an update every 2 months, Simple Passe every 12 months. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.
| Parameter | ColorGrail | Simple Passe |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 430 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Color Grail Research | Ari Jaaksi |
In-app purchases
ColorGrail
No in-app purchases
Simple Passe
No in-app purchases
