Delta EPA vs PLC Ninja
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Delta EPA
Manage your electricity account conveniently on the go. Access account details, view bills and balances, make payments, and schedule alerts. Receive push notifications for important updates.
- Fast, secure account access
- Manage account details
- View bills and balances
- Make payments
- Find payment locations
- Schedule alerts and reminders
- Receive push notifications
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Our Mobile App is designed to give you fast, secure account access so you can easily manage your account details, view your bill and your account balance, make payments and find payment locations, schedule alerts and reminders, receive push notifications, and more. Nearly everything you can do from our web portal can now be handled instantly whether you’re at home, at work, or on the go.
PLC Ninja
Access live PLC data directly from your mobile device. Connect via Ethernet, Wi-Fi, or serial adapter to monitor inputs, outputs, timers, counters, and analog values in real-time while in the field.
- Real-time PLC data monitoring
- Ethernet, Wi-Fi, and serial connection support
- View inputs and outputs
- Monitor timers and counters
- Access analog values
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PLC Ninja puts live PLC data on your phone. Connect over Ethernet, Wi-Fi, or a serial adapter, and see every input, output, timer, counter and analog value updating in real time — standing at the panel, not walking back to the office. PLC Ninja is an independent product and is not affiliated with, endorsed by, or sponsored by Rockwell Automation, Siemens AG, AutomationDirect, or Mitsubishi Electric. Allen-Bradley, ControlLogix, CompactLogix, GuardLogix, MicroLogix, SLC 500, RSLogix and Studio 5000 are trademarks of Rockwell Automation. SIMATIC, S7 and LOGO! are trademarks of Siemens AG. DirectLOGIC is a trademark of AutomationDirect. MELSEC and FX are trademarks of Mitsubishi Electric. All product names are used only to identify the equipment this app can connect to. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://plcninja-support.github.io/support/privacy.html
Screenshots
Verdict
The clearest difference is review sentiment: PLC Ninja at 100% against Delta EPA's 0%. PLC Ninja also leads on rating (5.0 vs 2.0) and update cadence (every 3 weeks vs every 9 months). Delta EPA's advantage is in-app purchases (none vs 6) and ratings volume (27 vs 3). On price and ads 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. PLC Ninja sells 6 in-app purchases, starting at $3.99 per month. Delta EPA asks for nothing beyond the download.
PLC Ninja holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Delta EPA has 27 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Delta EPA's written reviews are positive against 100% of PLC Ninja's.
Delta EPA ships an update every 9 months, PLC Ninja every 3 weeks. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.
| Parameter | Delta EPA | PLC Ninja |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (27 ratings) | 5.0 (3 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 27 — better | 3 |
| Update frequency | Every 9 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 174 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Delta Electric Power Association | SHAOHUA YI |
Customer experience
Delta EPA
PLC Ninja
In-app purchases
Delta EPA
No in-app purchases
PLC Ninja
- Standard$3.991 Month
- Professional$8.991 Month
- Ultimate$14.991 Month
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- Standard$39.991 Year
- Professional$89.991 Year
- Ultimate$149.991 Year
