# Rayvolt EIVA USA vs Joint Maker Lab

The clearest difference is iOS requirement: Rayvolt EIVA USA at 12.0 against Joint Maker Lab's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Rayvolt EIVA USA | Joint Maker Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/rayvolt-eiva-usa/id1382731508/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 29 MB | 132 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Exxite Bike S.L](https://appshunter.io/developer/1187986626) | [Power Mobile Life LLC](https://appshunter.io/developer/1096079944) |

## What reviewers say

### Rayvolt EIVA USA

[App page](https://appshunter.io/ios/app/rayvolt-eiva-usa/id1382731508)

Control and customize your electric bike's performance with this app. Monitor real-time data like speed and battery, and adjust advanced settings for acceleration and pedal assistance.

**Highlights:** Real-time bike data monitoring, Adjustable pedal assistance, Customizable acceleration settings, Bluetooth device connection, Advanced voltage adjustments

**Features:** macOS Compatibility

**In-app purchases:** none


### Joint Maker Lab

[App page](https://appshunter.io/ios/app/joint-maker-lab/id6748891855)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rayvolt EIVA USA free?

Rayvolt EIVA USA is free to download, with no in-app purchases.

### Is Joint Maker Lab free?

Joint Maker Lab is free to download, with no in-app purchases.

### Do Rayvolt EIVA USA or Joint Maker Lab have ads?

Neither Rayvolt EIVA USA nor Joint Maker Lab shows ads.

### Which is updated more often, Rayvolt EIVA USA or Joint Maker Lab?

Rayvolt EIVA USA ships an update every 2 months, and Joint Maker Lab every 2 months. Most recently, Rayvolt EIVA USA was updated on October 12, 2026 and Joint Maker Lab on October 19, 2026.

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