# TapItNote vs Voltage

The clearest difference is in-app purchases: TapItNote at none against Voltage's 5. TapItNote also leads on iOS requirement (16.6 vs 18.2). Voltage's advantage is update cadence (every 6 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Voltage sells 5 one-off in-app purchases. TapItNote asks for nothing beyond the download.

TapItNote ships an update every 3 weeks, Voltage every 6 days. The most recent releases landed on November 9, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | TapItNote | Voltage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (16 ratings)](https://appshunter.io/ios/app/voltage-volt-ampera-bolt-obd/id6774315064/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 75 MB |
| Requires iOS | **16.6** | 18.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Steven Evans](https://appshunter.io/developer/1892729388) | [Oleksandr Radchenko](https://appshunter.io/developer/6774315066) |

## What reviewers say

### TapItNote

[App page](https://appshunter.io/ios/app/tapitnote/id6762065378)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Voltage

[App page](https://appshunter.io/ios/app/voltage-volt-ampera-bolt-obd/id6774315064)

Diagnose and control specific Chevrolet and Opel electric vehicles. Monitor battery health, clear fault codes, and manage vehicle functions remotely. Offers detailed insights into battery performance and cell voltages.

**Highlights:** HV Unlock for undrivable vehicles, Clear Service High Voltage Charging System (SHVCS) faults, Track battery health and cell voltages, Remote vehicle control via Bluetooth, Deep DTC scanning and module reset, Monitor over 100 live parameters

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ELR / Volt Design activation | $6.99 | one-time |
| Traffic Signs Activation (discount) | $9.99 | one-time |
| ELR / Volt Design activation | $14.99 | one-time |
| Traffic Signs Activation | $19.99 | one-time |
| Premium upgrade | $24.99 | one-time |


## Frequently asked questions

### Is TapItNote free?

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

### Is Voltage free?

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

### Do TapItNote or Voltage have ads?

Neither TapItNote nor Voltage shows ads.

### Which is updated more often, TapItNote or Voltage?

TapItNote ships an update every 3 weeks, and Voltage every 6 days. Most recently, TapItNote was updated on November 9, 2026 and Voltage on November 13, 2026.

---

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