# RAYVOLT EIVA 2.0 vs Purl.

The clearest difference is in-app purchases: RAYVOLT EIVA 2.0 at none against Purl.'s 3. RAYVOLT EIVA 2.0 also leads on iOS requirement (13.6 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Purl. sells 3 one-off in-app purchases. RAYVOLT EIVA 2.0 asks for nothing beyond the download.

RAYVOLT EIVA 2.0 ships an update every 2 weeks, Purl. monthly. The most recent releases landed on October 3, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | RAYVOLT EIVA 2.0 | Purl. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (4 ratings)](https://appshunter.io/ios/app/rayvolt-eiva-20/id1553944136/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 21.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free | — |
| Size | 98 MB | 43 MB |
| Requires iOS | **13.6** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Exxite Bike S.L](https://appshunter.io/developer/1187986626) | [Pierre Boniface](https://appshunter.io/developer/6788513795) |

## What reviewers say

### RAYVOLT EIVA 2.0

[App page](https://appshunter.io/ios/app/rayvolt-eiva-20/id1553944136)

Access and adjust your electric bike's settings directly from your smartphone. Monitor real-time performance data like speed, battery, and assistance levels. Customize advanced parameters to personalize your riding experience.

**Highlights:** Access bike settings, Monitor real-time speed, View battery status, Check amperage, Adjust pedal assistance, Modify advanced settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Purl.

[App page](https://appshunter.io/ios/app/purl/id6788513793)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $1.99 | one-time |
| Buy me a skein | $5.99 | one-time |
| Big thank-you | $11.99 | one-time |


## Frequently asked questions

### Is RAYVOLT EIVA 2.0 free?

RAYVOLT EIVA 2.0 is free to download, with no in-app purchases.

### Is Purl. free?

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

### Do RAYVOLT EIVA 2.0 or Purl. have ads?

Neither RAYVOLT EIVA 2.0 nor Purl. shows ads.

### Which is updated more often, RAYVOLT EIVA 2.0 or Purl.?

RAYVOLT EIVA 2.0 ships an update every 2 weeks, and Purl. monthly. Most recently, RAYVOLT EIVA 2.0 was updated on October 3, 2026 and Purl. on October 4, 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.*