e vs Ohmly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
e
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We work thinking on you! Our objective, to make things easier and this app helps you to configure e-connect board in a few steps.
Ohmly
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Your electrical toolkit, redesigned for speed. 26 pro tools, one clean app. Ohmly is the modern electrical calculator for electricians, students, and engineers. Solve VIRP calculations, decode resistor and SMD codes, check voltage drop, size conductors, design circuits, and keep your work organized—without ads. 26 PRO TOOLS • Ohm's law, resistor color code, SMD resistor code • Series/parallel resistance, voltage divider, LED resistor • Reactance, resonance, AC impedance, power factor • RC/RL/LC filters, decibels, op-amp gain, 555 timer • Voltage drop, wire gauge/AWG, three-phase power • Motor FLA, conduit fill, short-circuit current • Transformer ratio, LM317 regulator • Capacitor code, inductor color code, PCB trace width • Heat sink thermal resistance and battery life WHY OHMLY • Clean light and dark modes with no ads • Shared display metrics across every tool • Save, label, and search calculations • Export multi-calculation PDF reports • Home Screen, Lock Screen, and StandBy widgets • Full Apple Watch companion Unlock Pro with a lifetime purchase or a low monthly plan. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Ohmly at every 3 weeks against e's every 16 months. e's advantage is iOS requirement (9.0 vs 26.0). 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 16 months, Ohmly every 3 weeks. The most recent releases landed on September 29, 2026 and October 2, 2026 respectively.
| Parameter | e | Ohmly |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 16 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, Apple Watch — better |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 55 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Endepro Software, S.L. | Adam Wilkie |
In-app purchases
e
No in-app purchases
Ohmly
No in-app purchases
