Electric Toolkit vs A2io
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electric Toolkit
This app provides a comprehensive collection of electrical wiring diagrams and calculators for home projects. It includes various switch and fan wiring configurations, outlet diagrams, and essential calculators for grounding, circuit breakers, and voltage drop, adhering to NEC standards.
- 3-way switch wiring diagrams
- Ceiling fan wiring diagrams
- GFCI wiring diagrams
- Grounding conductor size calculator
- Ohms Law calculator
- Circuit breaker sizing calculator
- Voltage drop calculator
- Audio/Video cable pinouts
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Electric Toolkit is an easy to use collection of electrical wiring diagrams, pinouts, and electrical calculators for home wiring projects. The Electric Toolkit includes: *Seven different 3-way switch wiring diagrams *Seven different Ceiling Fan wiring diagrams *Basic light switch wiring diagrams *4-way switching wiring diagrams *Exhaust/bathroom fan wiring diagrams *Multiple GFCI wiring diagrams *Wall outlet wiring diagram *Grounding conductor size calculator (NEC 2014 through NEC 2023, Table 250-122) *Ohms Law calculator *Sizing a Circuit Breaker calculator (NEC 2023, NEC 2020, NEC 2017, and NEC 2014, 240-6(a)) *Voltage drop calculator *AWG to mm/mm² calculator *Audio/Video Cable pinouts ( Component, DisplayPort, DVI, Ethernet, Firewire, HDMI/Mini HDMI/Micro HDMI, Lightning, LPT(parallel port), PS/2, RCA, Serial port, S-video, USB 3.0/Mini USB/Micro USB/USB-C, and VGA). If you have any suggestions, find bugs, or have any requests, feel free to email them to: techsupport@cyberprodigy.com
A2io
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A2io is the companion application to the "A2io" Bluetooth adapter, which is a hardware device for Apple II vintage computers. The A2io application allows the user to interact with the Apple II using touch & motion control, as well as wireless controllers that are paired with the iOS device. The A2io application includes a virtual "paddle" controller, and drawing tablet for use with legacy Apple II drawing software. The game controller interface provides calibration adjustments, and visual feedback while using a paired Bluetooth controller with an Apple II computer.
Screenshots
Verdict
The clearest difference is price: A2io at Free against Electric Toolkit's $5.99. A2io also leads on iOS requirement (12.0 vs 15.6). Electric Toolkit's advantage is update cadence (every 9 months vs every 43 months). On 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
A2io is free to download; Electric Toolkit costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Electric Toolkit ships an update every 9 months, A2io every 43 months. The most recent releases landed on October 22, 2026 and October 10, 2026 respectively.
| Parameter | Electric Toolkit | A2io |
|---|---|---|
| Price | $5.99 | Free — better |
| Rating | 4.8 (290 ratings) — better | — |
| Positive reviews | 45.2% of reviews | — |
| Number of ratings | 290 — better | — |
| Update frequency | Every 9 months — better | Every 43 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Cyberprodigy LLC | Aaron Reid |
Bugs and requests
Electric Toolkit
Reported bugs
3 issues- Voltage drop calculator stopped working
- Calculators have non-functional features (delete key, zero, decimal point)
- Incorrect label for 'Circuit Length' in voltage drop calculator
Requested features
7 requests- More diagrams and schematics
- Ability to create wiring diagrams
- Option to pick installation and auto-layout wiring
- More info about house wiring and residential electrical wiring
- Ability to make printouts
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- App to be written for CSA (UK cable sizes)
- More detailed information on breaker circuits
A2io
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Electric Toolkit
No in-app purchases
A2io
No in-app purchases
