# Data Center Engineer Toolkit — PUE Cooling Rack Power Fiber

> PUE Cooling Rack Power Fiber (iPhone/iPad app by Shanghai Sheyuan Network Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/data-center-engineer-toolkit/id6761987963 (this page in markdown: same URL + `.md`)
- Developer: [Shanghai Sheyuan Network Technology Co., Ltd.](https://appshunter.io/developer/1560626858)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English
- Released: 2026-04-10
- Data updated: 2026-09-03
- User reviews in markdown: https://appshunter.io/ios/app/data-center-engineer-toolkit/id6761987963/reviews.md

## What is Data Center Engineer Toolkit?

Running a data center and need quick PUE analysis, cooling tonnage, or floor load checks on site? Tired of spreadsheets for PDU load balancing and cable sizing? This app puts 11 professional data center calculators in your pocket — all offline, no subscription.

FREE CALCULATORS:
- PUE / DCiE Calculator: Power Usage Effectiveness and Data Center Infrastructure Efficiency with annual energy cost estimates
- UPS Runtime: Battery backup runtime with inverter efficiency and power factor
- Raised Floor Load & Tile Airflow: Floor tile bearing capacity check plus perforated tile CFM calculation for rack cooling adequacy

PRO CALCULATORS (one-time $19.99 unlock):
- Rack Heat & Cooling: Cooling tons, airflow CFM, and water flow GPM based on rack power and PUE
- Rack Power Density: Amps per rack, power density in kW/m2, cable sizing, and breaker requirements
- PDU Load Balance: Three-phase load balancing with imbalance percentage and per-phase capacity
- CDU Flow Rate: Liquid cooling flow rate, pressure drop, and pump horsepower for water and glycol
- DC Bus Voltage Drop: Cable sizing with voltage drop for copper and aluminum conductors
- Breaker Derate Quick-Check: NEC temperature and conductor fill derating with selective coordination ratio check
- Fiber Count Planner: Fiber optic cable count with patch panel and splice tray sizing
- Fiber Pull Tension: Pulling tension, bend radius, and conduit fill ratio with pass/fail check

REFERENCE TABLES (Pro):
42U rack specs, PUE benchmarks, cooling system comparison, wire ampacity, Uptime Institute Tier standards, and fiber optic specifications.

Built for facility engineers, infrastructure designers, colocation operators, and data center technicians. All calculations offline. No account or login required.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock All Calculators | $12.99 | one-time |



## Version history (last 5 releases)

### 1.0.10 — 2026-07-01

Performance and reliability improvements.

### 1.0.9 — 2026-06-11

Pro unlock is now a one-time $12.99. Performance and stability improvements.

### 1.0.8 — 2026-06-10

Pro unlock is now a one-time $12.99. Performance and stability improvements.

### 1.0.7 — 2026-05-08

Bug fixes and performance improvements.

### 1.0.6 — 2026-05-01

Bug fixes and performance improvements.

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All apps by Shanghai Sheyuan Network Technology Co., Ltd.: https://appshunter.io/developer/1560626858

## Related topics

[data center engineer toolkit](https://appshunter.io/ios/topics/data-center-engineer-toolkit) · [data center](https://appshunter.io/ios/topics/data-center)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-03.*