GOLDWELL EDUCATION PLUS vs Digital Stamp Decoder
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GOLDWELL EDUCATION PLUS
This app provides hairdressers with tools and resources to enhance their skills. Explore product knowledge, select hair colors, mix custom shades virtually, and book expert-led seminars. Access Goldwell's extensive experience for inspiration and professional development.
- In-depth product knowledge
- Hair color shade selector
- Virtual color mixing tool
- Product navigator for lighteners
- Color recipe encyclopedia
- Seminar booking
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Unlock your full potential as a hairdresser, stylist, or colorist with the Goldwell Education Plus App. Whether you’re looking for hair color inspiration, the most suitable service options for your client’s hair, or want to book a lesson with our experts, you will find everything a hairstylist needs. Benefit from Goldwell’s more than 75 years of experience in stylist partnership, innovation, and inspiration! The Goldwell Education Plus App takes the power of many useful tools and resources and puts them right in the palm of your hand, so you have access wherever, whenever. This includes: In-depth Product Knowledge Explore the full range of Goldwell products and find out exactly how they are used, which ingredients they contain, and more. Hair Color Card – Shade selector See and compare the Colorance, Topchic and Elumen shades to make the optimum choice for your client before even breaking the seal on the bottle. Color Multiplier – Make your own shades No more wasting color while experimenting on mixes: mix your own color formulations in a virtual environment and see the exact levels you would need. Save your favorites for future use! LightDimensions Product Navigator – Make the right choice Not sure exactly which lightener to use for a specific color result? Our Product Navigator tells and shows you! Color Cook Book – A color encyclopedia See the perfect color and wonder if it’s possible to mix it? Find your favorite shade and combinations using the Color Cook Book. Seminar Booking Learn from the best: Goldwell offers seminars hosted by our hair experts that help you improve as a stylist. Start a booking request directly from the app.
Digital Stamp Decoder
Reveal hidden images on USPS postage stamps using advanced Scrambled Indicia® technology. Originally designed for anti-counterfeiting, this app offers stamp collectors a unique way to authenticate and appreciate their collection. Explore the innovative world of philately with this modern collector's tool.
- Reveal hidden stamp images
- Utilizes Scrambled Indicia® technology
- Authenticates USPS postage stamps
- Aids stamp collectors and philatelists
- Showcase stamp collection
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Uncover hidden images in USPS postage stamps with the Digital Stamp Decoder! Originally developed by GSSC in partnership with USPS to protect against counterfeiting, this app brings the innovative Scrambled Indicia® technology to your smartphone. Now, you can reveal the hidden designs in the popular Shuttle Stamp, a must-have for stamp collectors and philatelists. Download the app, showcase your collection, and enjoy a unique, modern twist on stamp authentication. Don't miss out on this innovative collector's tool!
Screenshots
Verdict
The clearest difference is price: GOLDWELL EDUCATION PLUS at Free against Digital Stamp Decoder's $2.99. GOLDWELL EDUCATION PLUS also leads on update cadence (monthly vs every 5 months) and ratings volume (9 vs 2). Digital Stamp Decoder's advantage is rating (5.0 vs 3.7). On ads, in-app purchases, device support and iOS requirement 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
GOLDWELL EDUCATION PLUS is free to download; Digital Stamp Decoder costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Digital Stamp Decoder holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 9 and 2 respectively.
GOLDWELL EDUCATION PLUS ships an update monthly, Digital Stamp Decoder every 5 months. The most recent releases landed on September 4, 2026 and June 1, 2026 respectively.
| Parameter | GOLDWELL EDUCATION PLUS | Digital Stamp Decoder |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 3.7 (9 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 14.3% of reviews | — |
| Number of ratings | 9 — better | 2 |
| Update frequency | Monthly — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 812 MB | 205 MB |
| Age rating | 4+ | 4+ |
| Developer | Kao USA INC. | Graphic Security Systems Corp. |
Customer experience
GOLDWELL EDUCATION PLUS
Digital Stamp Decoder
In-app purchases
GOLDWELL EDUCATION PLUS
No in-app purchases
Digital Stamp Decoder
No in-app purchases
Questions
Is GOLDWELL EDUCATION PLUS free?
Is Digital Stamp Decoder free?
Which has better reviews, GOLDWELL EDUCATION PLUS or Digital Stamp Decoder?
Do GOLDWELL EDUCATION PLUS or Digital Stamp Decoder have ads?
Which is updated more often, GOLDWELL EDUCATION PLUS or Digital Stamp Decoder?
Other comparisons
