CZI Sound vs EV Station Load Sizing
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CZI Sound
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CZI Sound processes the audio source files (TTS, recordings, mixed audio) with a loudness-enhancing algorithm and then uploads them to the shoutbox via Bluetooth. It can also push the latest broadcast content of firmware and industry applications, ground proximity control of the shoutbox to play songs, etc.
EV Station Load Sizing
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The electrical designer's sizing tool for commercial EV charging sites โ chargers to transformer in one honest screen. Add charger groups (7.4, 11, 22 kW AC ยท 50, 150, 350 kW DC fast, or any custom rating), apply a diversity factor you control, pick the supply (230 V 1ฯ ยท 400 V 3ฯ ยท 480 V 3ฯ, adjustable power factor) and read the results instantly: connected load, expected demand in kW and kVA, feeder current with the ร1.25 continuous-load design value (NEC 625.41), and the next standard transformer size from the ANSI/IEEE C57.12.00 ladder at โค 80% loading. Planning a capped connection? Set the site power limit and see the equal-split power each charger gets under load management (ALM/EVEMS, NEC 625.42). PRO โข Unlimited chargers and groups (free sizes up to 2 devices) โข Site-cap load sharing with per-charger power โข Transformer sizing: required kVA, standard unit, loading verdict โข Save site assessments to history โข Clean one-page PDF reports with the full assumptions list โ ready for the project folder Built for the field: big controls, huge results, Outdoor Bright mode for direct sunlight. Everything stays on your phone โ fully offline, no account, no tracking. Diversity is an assumption: results are planning estimates and require engineered project approval. โโโ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://hdappstudio.com/evstationload/privacy/
Screenshots
Verdict
The clearest difference is in-app purchases: CZI Sound at none against EV Station Load Sizing's 3. CZI Sound also leads on iOS requirement (13.0 vs 16.0). EV Station Load Sizing's advantage is update cadence (every 2 months vs every 8 months). On price, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. EV Station Load Sizing sells 3 in-app purchases, starting at $2.99 per month. CZI Sound asks for nothing beyond the download.
CZI Sound ships an update every 8 months, EV Station Load Sizing every 2 months. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | CZI Sound | EV Station Load Sizing |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 8 months | Every 2 months โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 13.0 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 64 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Guangzhou Chengzhi Intelligent Machine Technology Co., Ltd. | HD YAPIMCILIK VE TEKNOLOJI ITHALAT IHRACAT TICARET LIMITED SIRKETI |
In-app purchases
CZI Sound
No in-app purchases
EV Station Load Sizing
- EV Station Pro โ Monthly$2.991 Month
- EV Station Pro โ Yearly$14.991 Year
- EV Station Pro โ Lifetime$29.99
Questions
Is CZI Sound free?
Is EV Station Load Sizing free?
Do CZI Sound or EV Station Load Sizing have ads?
Which is updated more often, CZI Sound or EV Station Load Sizing?
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