Trustmark Refresh vs NEMA Guide
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Trustmark Refresh
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The software is used to control lighting through the iPhone or iPad by connecting the corresponding WiFi. The software only support Trustmark series controller products. The software support 12 zone control,Each zone can set to one of five kinds lamp: DIM(W),CT1(NW+WW), CT2(NW+WW+CW),RGB and RGBW. Each zone have four scenes to save or load. For DIM,CT1 and CT2 lamp, the software only support static bright adjust. For RGB and RGBW lamp, the software support static color adjust and many dynamic color styles.the user even can make any color jump,strobe gradual or fade dynamic styles.
NEMA Guide
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Use the NEMA Guide app to quickly identify and cross-reference NEMA plug and receptacle configurationsβa must-have tool for electricians and electrical professionals on the job. Whether you're trying to identify an unknown plug or need to confirm the right receptacle for a specific application, this app streamlines the process. Simply search by NEMA number or filter by voltage, amperage, phase, poles, wires, and grounding type to view all matching results. With illustrations and detailed specs for each configuration, to save you time and avoid guesswork on-site. Features: - Search by NEMA configuration number. - Filter by voltage, amperage, phase, poles, wires, and grounding. - Instantly view matching plug and receptacle configurations. - Over 170 high-quality configuration illustrations. - Tap to view detailed specs for each configuration. - Cross-reference plugs and receptacles with ease. - Data is stored locally for quick use in the field or on the job-site.
Screenshots
Verdict
The clearest difference is update cadence: NEMA Guide at every 2 days against Trustmark Refresh's every 3 weeks. Trustmark Refresh's advantage is iOS requirement (7.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Trustmark Refresh ships an update every 3 weeks, NEMA Guide every 2 days. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.
| Parameter | Trustmark Refresh | NEMA Guide |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 2 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 7.0 β better | 17.6 |
| Further details β not scored | ||
| Size | 3 MB | 23 MB |
| Age rating | 17+ | 4+ |
| Developer | Environmental Lights | Red Zepp LLC |
In-app purchases
Trustmark Refresh
No in-app purchases
NEMA Guide
No in-app purchases
Questions
Is Trustmark Refresh free?
Is NEMA Guide free?
Do Trustmark Refresh or NEMA Guide have ads?
Which is updated more often, Trustmark Refresh or NEMA Guide?
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