iS7 vs Circuit Resistance Creator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iS7
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--- Industrial automation tool --- Read and write variables on Siemens S7 PLC (input, output, timer, counter, memory and data block) Manage a virtual push button for remote operations, with configurable I/O, for custom use. Check operative status of S7.300 and S7.400 PLC Link the new S7.1200 and S7.1500 series and, on the last release, also the little LOGO PLC. For all detailed informations please visit support website. http://www.trotti.eu/iS7/index.html
Circuit Resistance Creator
Calculate equivalent resistance for any resistor circuit. This tool is designed for students, technicians, and engineers, offering high accuracy for voltage, current, and resistance. It's a great way to check homework and perform engineering calculations.
- Equivalent resistance calculation
- Supports any resistor circuit
- High accuracy displays (6 decimal places)
- Apply custom circuit voltages
- Designed for students and engineers
- Homework checking tool
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Features: - Designed for students, technicians and engineers. - Find Equivalent Resistance for any resistor circuit. - Great Engineering tool. - Great for checking homework. - Super accurate with 6 decimal voltage, current and ohms displays. - Apply any circuit voltage from 1 to 1000 volts, with 3 decimal accuracy. - FREE and NO ADVERTISEMENTS.
Screenshots
Verdict
The clearest difference is price: Circuit Resistance Creator at Free against iS7's $14.99. Circuit Resistance Creator also leads on in-app purchases (none vs 1) and update cadence (every 3 weeks vs every 4 months). On 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
Circuit Resistance Creator is free to download; iS7 costs $14.99 up front. iS7 sells 1 one-off in-app purchase. Circuit Resistance Creator asks for nothing beyond the download.
iS7 ships an update every 4 months, Circuit Resistance Creator every 3 weeks. The most recent releases landed on October 5, 2026 and September 26, 2026 respectively.
| Parameter | iS7 | Circuit Resistance Creator |
|---|---|---|
| Price | $14.99 | Free — better |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 15 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlo Trotti | David White |
In-app purchases
iS7
- Alarms$2.99
Circuit Resistance Creator
No in-app purchases
Questions
Is iS7 free?
Is Circuit Resistance Creator free?
Do iS7 or Circuit Resistance Creator have ads?
Which is updated more often, iS7 or Circuit Resistance Creator?
Other comparisons
