Comparison

Linear Interpolation Master vs OTMON

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Linear Interpolation Master

This tool simplifies linear interpolation calculations for industrial commissioning engineers. It features large, easily readable numbers for field use and allows for quick swapping of coordinate systems, such as converting between 4-20mA and 0-100% scales.

Highlights
  • Large number display for field visibility
  • Quickly swap X and Y coordinates
  • 4-20mA to 0-100% conversion
  • 0-100% to 4-20mA conversion
Features
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A linear interpolation calculator designed for industrial commissioning engineers. It has the following features: - Displays large numbers for when you are out in the field commissioning. - Allows quickly swapping x and y coordinates; for example from 4-20mA -> 0-100% to 0-100% -> 4-20mA.

About

OTMON

Features
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OTMON is a mobile application designed specifically for students at the Politeknik Ilmu Pelayaran (PIP) Semarang. We would like to emphasize that THIS APPLICATION DOES NOT REPRESENT ANY GOVERNMENT ENTITY. All information and features available within this application are provided solely for the purpose of facilitating the reporting and monitoring of field internship activities and do not have any official endorsement, approval, or affiliation with any government agency or institution. Users are advised to always verify important information through official government sources. This application provides a digital solution for students undergoing field internships, both on ships and at related agencies, to report their progress in a real-time and structured manner. OTMON's Main Features: 1. Daily/Weekly Report Input: Students can easily complete daily or weekly field internship activity reports using the provided form. Reports can include activity descriptions, duration, and documentation (photo files). 2. Upload Supporting Documents: The application allows users to upload supporting documents, such as photos, required during field internships. 3. Notifications and Reminders: OTMON is equipped with a notification system that reminds students to submit reports on time, thus avoiding delays in reporting. 4. Discussion: The application provides a discussion forum for students and their supervisors to exchange information, ask questions, or discuss field practice activities through the messaging menu. 5. Report History: All reports submitted by students are neatly stored in the history, making them easy to review or download when needed. 6. Data Security: OTMON is equipped with a security system that maintains the confidentiality and integrity of student data, ensuring the security of personal information and field practice reports. Benefits of the OTMON Application: 1. Time Efficiency: Makes it easier for students to report field practice activities without having to fill out manual forms. 2. Transparency: Supervisors can transparently monitor student progress and provide appropriate guidance. 3. Ease of Access: The application can be accessed anytime and anywhere, as long as there is an internet connection. 4. Reporting Effectiveness: Structured and digitized reports facilitate the evaluation and assessment process. OTMON is here to support PIP Semarang students during their fieldwork, ensuring that every step and experience is well-documented and focused. With OTMON, fieldwork becomes more organized, efficient, and meaningful!

Screenshots

Linear Interpolation Master3 screens
OTMON4 screens

Verdict

The call

The clearest difference is in-app purchases: OTMON at none against Linear Interpolation Master's 3. OTMON also leads on ads (none vs shown) and update cadence (every 2 months vs every 5 months). Linear Interpolation Master's advantage is iOS requirement (11.0 vs 15.6). On price and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Linear Interpolation Master sells 3 one-off in-app purchases. OTMON asks for nothing beyond the download.

UpkeepUpdate frequency

Linear Interpolation Master ships an update every 5 months, OTMON every 2 months. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 6 level
Linear Interpolation Master versus OTMON: the parameters behind the verdict, then further details
ParameterLinear Interpolation MasterOTMON
PriceFreeFree
Rating4.7 (176 ratings) — better—
Positive reviews62.5% of reviews—
Number of ratings176 — better—
Update frequencyEvery 5 monthsEvery 2 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size16 MB39 MB
Age rating4+4+
DeveloperVERVE TECHNOLOGIES PTY. LTD.Ardiansyah Setiawan Suci

In-app purchases

3 purchases

Linear Interpolation Master

One-time3
  • Generous Tip$2.99
  • Massive Tip$3.99
  • Amazing Tip$4.99
None

OTMON

No in-app purchases

Questions

Is Linear Interpolation Master free?
Linear Interpolation Master is free to download, with in-app purchases available.
Is OTMON free?
OTMON is free to download, with no in-app purchases.
Do Linear Interpolation Master or OTMON have ads?
Linear Interpolation Master shows ads; OTMON does not.
Which is updated more often, Linear Interpolation Master or OTMON?
Linear Interpolation Master ships an update every 5 months, and OTMON every 2 months. Most recently, Linear Interpolation Master was updated on October 10, 2026 and OTMON on October 1, 2026.

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