# Get Certified vs Voltage Regulator

The clearest difference is in-app purchases: Get Certified at none against Voltage Regulator's 1. Get Certified also leads on update cadence (every 3 months vs every 9 months) and iOS requirement (8.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. Voltage Regulator sells 1 one-off in-app purchase. Get Certified asks for nothing beyond the download.

Get Certified ships an update every 3 months, Voltage Regulator every 9 months. The most recent releases landed on September 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Get Certified | Voltage Regulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/voltage-regulator/id1149145965/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | — | Freemium |
| Size | 10 MB | 3 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PMC Business](https://appshunter.io/developer/950167328) | [Siu Yuen Ho](https://appshunter.io/developer/814088527) |

## What reviewers say

### Get Certified

[App page](https://appshunter.io/ios/app/get-certified/id950167329)

**Features:** macOS Compatibility

**In-app purchases:** none


### Voltage Regulator

[App page](https://appshunter.io/ios/app/voltage-regulator/id1149145965)

Calculate resistor combinations for adjustable voltage regulators. This tool helps electronics hobbyists and professionals determine desired output voltages and resistor values. Results can be exported and shared easily.

**Highlights:** Adjustable voltage regulator support, Calculate resistor combinations, Determine resistor values, Export results to CSV, Share CSV via iCloud/AirDrop

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro features | $1.99 | one-time |


## Frequently asked questions

### Is Get Certified free?

Get Certified is free to download, with no in-app purchases.

### Is Voltage Regulator free?

Voltage Regulator is free to download, with in-app purchases available.

### Do Get Certified or Voltage Regulator have ads?

Neither Get Certified nor Voltage Regulator shows ads.

### Which is updated more often, Get Certified or Voltage Regulator?

Get Certified ships an update every 3 months, and Voltage Regulator every 9 months. Most recently, Get Certified was updated on September 27, 2026 and Voltage Regulator on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*