SAPHIR Payroll vs Duct Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SAPHIR Payroll
Read full descriptionHide full description
SAPHIR 3.0 Payroll App by SAPHIR Software GmbH offers a secure way to manage your pay slips, DEÜV reports, income tax certificates, and vacation days, absences. This app provides easy access to your HR-related documents, ensuring that sensitive information like pay slips and tax forms are protected by advanced security features such as fingerprint, facial recognition, or password authentication. To use the app, you need to have SAPHIR 3.0 as your HR system. Registration is quick and simple with an easy-to-use login barcode. Key Features: * Access pay slips, DEÜV reports, and tax certificates * View vacation days and absences * High security with fingerprint, facial recognition, or password protection * Requires SAPHIR 3.0 system for operation * Easy registration with a login barcode * This app simplifies HR document management while ensuring maximum security for sensitive data.
Duct Calculator
This professional HVAC utility assists engineers and technicians with precise duct sizing and airflow calculations for ventilation systems. It simplifies essential calculations for both design and installation work, improving on-site efficiency.
- Calculate duct sizes using airflow (CFM) and velocity (FPM)
- Supports rectangular and round duct sizing in inches
- Determine air flow rate in CFM
- Calculate air velocity in FPM
- Simple interface for fast on-site calculations
Read full descriptionHide full description
Duct Calculator is a focused duct sizing tool for HVAC engineers, designers and installation technicians. Enter what you know and get the duct dimensions, airflow or air velocity you need, without a chart or a slide rule. CALCULATIONS - Duct size: find the required duct dimensions from airflow (CFM) and air velocity (FPM). - Airflow: determine the airflow rate in CFM. - Air velocity: determine velocity in FPM to help verify system performance. DUCT SHAPES - Round ducts - Rectangular ducts - Results shown in inches WHO IT IS FOR - HVAC engineers and designers checking a duct size during design work. - Installation technicians and contractors who need a quick answer on site. - Students learning how airflow, velocity and duct size relate. WHERE IT HELPS - Sizing a new supply or return run from a known CFM. - Checking whether an existing duct keeps velocity within your target. - Comparing a round duct with a rectangular one when space is tight. SIMPLE BY DESIGN A clean interface with only the inputs you need, so you get an answer quickly on the job. Duct Calculator is free to use. An optional one-time upgrade removes ads. Results are intended as a calculation aid. Always confirm designs against applicable codes and project requirements. Download Duct Calculator and size your next duct run. Privacy Policy : https://semiconhub.in/manager/privacy.html Terms and Condition : https://semiconhub.in/manager/tcondition.html
Screenshots
Verdict
The clearest difference is in-app purchases: SAPHIR Payroll at none against Duct Calculator's 1. SAPHIR Payroll also leads on update cadence (monthly vs every 10 months). On price, ads, device support and iOS requirement 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. Duct Calculator sells 1 one-off in-app purchase. SAPHIR Payroll asks for nothing beyond the download.
SAPHIR Payroll ships an update monthly, Duct Calculator every 10 months. The most recent releases landed on October 27, 2026 and November 1, 2026 respectively.
| Parameter | SAPHIR Payroll | Duct Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (3 ratings) — better |
| Number of ratings | — | 3 — better |
| Update frequency | Monthly — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 261 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | SAPHIR Software GmbH | Sachinbhai Surani |
In-app purchases
SAPHIR Payroll
No in-app purchases
Duct Calculator
- Lifetime premium$9.99
Questions
Is SAPHIR Payroll free?
Is Duct Calculator free?
Do SAPHIR Payroll or Duct Calculator have ads?
Which is updated more often, SAPHIR Payroll or Duct Calculator?
Other comparisons
