ScreenQuest vs Voltage
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ScreenQuest
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SCREEN TIME — STRUCTURED ScreenQuest helps families turn screen time into a privilege — not a negotiation. Instead of daily arguments, children earn device time by completing real-world responsibilities like chores, studying, reading, and exercise. Clear rules. Clear rewards. Zero guessing. HOW SCREENQUEST WORKS 1. You Set the Quests Create custom tasks and decide exactly how much screen time each one is worth. 2. They Earn It Kids complete their responsibilities, gain XP, and build positive habits. 3. Time Is Unlocked Earned minutes go into their Time Bank. When they’re ready, they tap Play and use the built-in timer. Everything is tracked. Everything is visible. DESIGNED FOR PARENTS • Assign chores, study goals, and activities • Set time values for each task • Approve or auto-approve completions • Monitor active play sessions • Track weekly progress and insights • Manage multiple children from one dashboard You stay in control — without constant reminders or negotiations. BUILT FOR KIDS & TEENS (AGES 9-18) • Earn XP and level up • Track progress toward the next rank • Build consistency through structured rewards • Take ownership of their screen time Responsibility becomes motivating — not forced. WHY FAMILIES CHOOSE SCREENQUEST • Reduces arguments about devices • Creates clear expectations • Encourages independence • Reinforces discipline • Turns screen time into a privilege Screen time stops being something given. It becomes something earned. BUILT FOR MODERN FAMILIES Whether you’re managing one child or several, ScreenQuest keeps everything organized, transparent, and fair across iOS and Android devices. No more daily debates. Just structure, accountability, and balance. START BUILDING BETTER HABITS TODAY Download ScreenQuest and transform the way your family handles screen time.
Voltage
This app provides comprehensive diagnostic and control features for specific GM electric and hybrid vehicles. It allows users to monitor various vehicle parameters, perform deep diagnostics, and even control certain functions remotely via an OBD2 adapter.
- Deep DTC scanning
- Live parameter monitoring
- Real-time battery analysis
- HV Unlock function
- Remote start and climate control
- Charge management and scheduling
- Module reset and clearing
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The most comprehensive diagnostic and control app for Chevrolet Volt / Opel Ampera / Vauxhall Ampera / Holden Volt. Chevy Bolt and Opel Ampera-E are currently supported from 2017 to 2023. Connect via a supported ELM327 Bluetooth LE or Wi-Fi OBD2 adapter and take full command of your vehicle. RECOMMENDED ADAPTERS For full compatibility — SW-CAN access, HVAC and Infotainment communication, remote start, and door unlock — use an OBDLink MX+ or vLinker MS. Bluetooth LE and Wi-Fi adapters provide limited compatibility. ENHANCED VEHICLE CONTROL • Remote start (pre-conditioning) and climate control within Bluetooth range for vehicles before 2019 • Battery heater for improved cold-weather range • Charge management and scheduling • Remote door and window operation • Engine control with ON / OFF / Release support • Wake the car remotely to query modules without powering it on • Module reset and DTC clearing HV UNLOCK FUNCTION "Unbrick" your car and stay on the road with the HV Unlock function. Enable charging on Ampera 2012 by resetting the Service High Voltage Charging System. PROFESSIONAL DIAGNOSTICS • Deep DTC scan across all discovered modules, including SW-CAN network access • 100+ live parameters with two-column monitoring mode • Real-time battery pack analysis: cell voltages, temperatures, BECM voltage & current • Weak Cell active test with guided instructions and a clear verdict • Battery Coolant Pump and heater control with feedback values and charts • HW Info with module programming dates and ECM calibrations MONITORING PARAMETERS Nine dedicated screens, every value charted in real time: • Efficiency — State of Charge (displayed & raw), EV range, kWh used, EV efficiency, fuel efficiency (hybrid) • Powertrain — HV power, HV current, HV inverter voltage, transmission fluid temp, MGA & MGB motor temps, aux transmission pump speed, gear shifter position. For hybrids it also reports engine speed, engine oil & coolant temps, EGR commanded (Gen 2), EGR cooler temps (Gen 2), and HPCM engine-startup reason. • HV Battery — Pack voltage, internal resistance, cell delta, average and minimum cell voltage, six individual battery temps, battery coolant temp & speed, battery heater power, battery conditioning mode, outside/inside temps, and the last five charging-session histories. • Charger — Charger state, charging level, AC input voltage/current/power, DC output voltage/current/power, charging-system status, and (2016+) AC & DC duty cycles. • Charger Plus — Extended charger diagnostics, including duty-cycle on 2016+ vehicles. • Climate — HVAC target temp, windshield temp, cabin heat power, AC power, AC speed, blower speed, HVAC coolant temp (2016+), outside & inside temps, and remote-start counters. • 12V — 12V voltage, current, power, state of charge, charging state, maintenance mode. • 12V Power (per-module) — Individual 12V supply voltage reported by every major control module: ECM, HPCM1, MGA, MGB, HPCM2, BECM, EBCM, Brake Booster, EPS, ASCM, HVAC and Radio. Power-electronics coolant temp and pump speed included. • TPMS — Live tire pressure for all four wheels. VEHICLE HISTORY & DATA MANAGEMENT • Full history view with vehicle selection and deletion • Export, import, and edit your vehicle history with the built-in editor HEALTH INSIGHTS Critical vehicle health analysis and maintenance recommendations — ideal for DIY enthusiasts, used car buyers checking battery health, and owners tracking long-term performance. POLISHED EXPERIENCE Modern UI with Dark / Light / System theme support, a bottom status bar for at-a-glance status, and full multi-language support.
Screenshots
Verdict
The clearest difference is device support: ScreenQuest at 3 against Voltage's 1. ScreenQuest also leads on iOS requirement (15.1 vs 18.2). On price, update cadence, ads and in-app purchases 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. ScreenQuest sells 2 one-off in-app purchases and Voltage sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.
| Parameter | ScreenQuest | Voltage |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (8 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 5 days | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 18.2 |
| Further details — not scored | ||
| Size | 39 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Jerome Pacleb | Oleksandr Radchenko |
In-app purchases
ScreenQuest
- English$4.99
- English$39.99
Voltage
- ELR / Volt Design activation$4.99
- ELR / Volt Design activation$9.99
- Traffic Signs Activation (discount)$9.99
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- Traffic Signs Activation$19.99
- Premium upgrade$24.99









