E vs Clampmitter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E
This tool helps determine technical characteristics of enamelled copper wire based on industry standards. It offers functions for diameter conversion, resistance calculations, and breakdown voltage.
- Diameter conversion (mm, inch, AWG)
- Resistance calculation
- Metal wire diameter calculation
- Resistance tolerance
- Enamelled copper quantity and length
- Breakdown voltage
- Winding tension calculation
- Overall diameter tolerance
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E-Wire Calc is an enamelled copper wire (magnet wire) tool based on the industry standards IEC, NEMA or JIS. It provides several functions for the determination of various technical characteristics of the wire in the range 0,010 - 0,8 mm or AWG 58 - 20 respectively. The function DIAMETER allows the conversion of mm, inch and AWG The function RESISTANCE shows the nominal resistance for the given bare copper wire according to the set standard or calculates the diameter for the given resistance respectively The function METALS allows the calculation of bare wire diameters of different metals for a given resistance. The function RESISTANCE TOLERANCE shows the minimal and maximal permitted resistance for a given nominal copper wire diameter according to the set standard. The function SIZES calculates the quantity of enamelled copper for a selected unit of length, the length for a selected unit of quantity and the cross section for a given bare wire and outer diameter. The function BREAKDOWN VOLTAGE shows the minimum voltage of an enamelled copper wire with a given nominal diameter for different addition / increase classes. The function WINDING TENSION calculates the maximal winding tension in cN recommended by ELEKTRISOLA for a given nominal copper wire diameter. The function OVERALL DIAMETER TOLERANCE shows the minimal and maximal permitted outer diameter for an enamelled wire with a given nominal diameter in different addition / increase classes according to the set standard.
Clampmitter
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The CLAMPMITTER™ is a unique tool for inductive coupling. This self-contained inductive transmitter increases productivity, promotes safety and simplifies locates by condensing the transmitter and inductive coupler into one cordless package. Whether climbing down a manhole or accessing a utility box, the Clampmitter is an easy alternative to suiting up with a full transmitter and wired coupler.
Screenshots
Verdict
The clearest difference is update cadence: E at every 18 months against Clampmitter's every 69 months. 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.
E ships an update every 18 months, Clampmitter every 69 months. The most recent releases landed on September 12, 2026 and October 14, 2026 respectively.
| Parameter | E | Clampmitter |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 18 months — better | Every 69 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | ELEKTRISOLA | Rycom |
In-app purchases
E
No in-app purchases
Clampmitter
No in-app purchases
