Walnut vs Blue Current
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Walnut
Manage all your loyalty cards and gift vouchers in one place. Discover businesses that offer personalized appreciation and rewards. Businesses can create their own digital member cards to connect with and reward loyal customers.
- Digital loyalty card management
- Gift voucher storage
- Personalized business appreciation
- Customer reward notifications
- Business member card creation
- Digital card scanning
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Walnut takes away all troubles of loyalty programs and customer cards. Find out where you can get personally appreciated by your favorite stores, shops and other businesses. Never leave a gift or voucher at home and get instantly notified whenever you are specially rewarded at stores you want to be connected with. Appreciate all of your customers with your very own member card. Connect with your customers directly and reward them for their loyalty at your business. Scan their digital cards for identification and savings options. See your progress right in the app.
Blue Current
Control your electric vehicle charging station, monitor energy usage, and manage settings. Gain insights into CO₂ savings and energy consumption, with options for guest charging and community support.
- Start/stop charging sessions
- Monitor energy rates and consumption
- View CO₂ savings
- Manage charge point settings
- Enable paid guest charging
- Personalize charging cards
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With the Blue Current App you can operate your Blue Current charge point. Start/stop a charging session or adjust the settings to your wishes. Charge Functionalities: • Start and stop charging sessions • Charging with or without a charging card • View the current status of your charge point • View charging sessions • Insight into CO₂ savings Energy Functionalities: • Insight into gas and electricity rates per day, week, month, or year • Insight into gas and electricity consumption in units (kWh/m³) and in euros, per day, week, month, or year • Installation flow for the WattsOn P1 reader to provide insight into usage Change Charge Point Settings: • Restart your charge point • Make your charge point unavailable • Paid charging for guests • Publish charge point for others • Set capacity tariff (Belgium only) • Add, remove and personalize charging cards and charge points • Provide feedback about the app Community: Our entire team works hard every day to make the app better and more complete for you. We now have a close-knit community with thousands of active users in the Netherlands and Belgium. If you have any questions, visit https://help.bluecurrent.nl If you have any tips and suggestions for improvements to the app, please let us know at samen@bluecurrent.nl The app requires a Blue Current account. More functionalities to support the energy transition coming soon For more information about Blue Current, visit www.bluecurrent.nl
Screenshots
Verdict
The clearest difference is review sentiment: Blue Current at 100% against Walnut's 0%. Walnut's advantage is iOS requirement (9.3 vs 13.4). On price, update cadence, ads and in-app purchases 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.
Walnut ships an update every 2 months, Blue Current every 3 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.
| Parameter | Walnut | Blue Current |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.3 — better | 13.4 |
| Further details — not scored | ||
| Size | 31 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Walnut | Blue Current BV |
Customer experience
Walnut
Blue Current
In-app purchases
Walnut
No in-app purchases
Blue Current
No in-app purchases









