InterCalc vs RDS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
InterCalc
This app performs linear interpolation using a set of X-Y values to define a relationship. It can calculate values based on defined points, useful for tasks like converting pressure readings to fluid volumes in containers or performing simple unit conversions.
- Linear interpolation of X-Y values
- Defines arbitrary functions from data points
- Calculates fluid volume from pressure readings
- Performs unit conversions (e.g., temperature, speed)
- Supports custom data sets
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This application is designed to linearly interpolate a value given a set of X-Y values that define a relationship. The X-Y values can be as simple as two points that specify a simple line, or they can be a set of points that specifies an arbitrary function. One use of this program is to calculate the amount of fluid in a container given a pressure reading at the bottom of the tank. Typically this situation results in several pressure readings and corresponding volume ( gallons, liters ) readings as the tank is being filled. Once the pressure measuring device is so calibrated, pressure readings can then be converted to gallon or liter values. Other uses include simple conversions between Fahrenheit and Celsius, or between kph and mph.
RDS
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The KKS app assist the user in decoding systems, components and documents employing RDSPP codes at the plant.So you always know which systems, components and devices you have in front of you and where you are. The general basic RDSPP from VGB Powertect is also inclued for free use. RDS-PP is the further development for the proven identification system for power plants KKS. Compared to this, it provides a number of innovations and extensions, coming up for today's requirements for designation of power plants components. In contrast to the KKS, RDS-PP was enhanced with a view on new forms of power generation, e. g. decentralized plants. The new designation system is based on international standards, especially to ISO/TS 81346-10, ISO/TS 81346-3, related to the structuring principles and the designation systematic. The international harmonization of the RDS-PP and its constant structuring help to avoid errors and misunderstandings during the designation whereby the plant reliability is increased. RDS-PP is - same as the KKS - a common standard for operators and manufacturers of power plants. The world-wide acceptation opens further potentials for long-term cost reductions when planning, construction and operating of power plants.
Screenshots
Verdict
The clearest difference is iOS requirement: RDS at 12.2 against InterCalc's 18.6. On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | InterCalc | RDS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 12.2 — better |
| Further details — not scored | ||
| Size | 1 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | River Rock Logic | TIPWARE GmbH |
In-app purchases
InterCalc
No in-app purchases
RDS
No in-app purchases









