# MAYFEL vs Thunderbolt by Spaceship

The clearest difference is update cadence: Thunderbolt by Spaceship at fortnightly against MAYFEL's every 2 months. MAYFEL's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

MAYFEL ships an update every 2 months, Thunderbolt by Spaceship fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MAYFEL | Thunderbolt by Spaceship |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (11 ratings)](https://appshunter.io/ios/app/thunderbolt-by-spaceship/id1645891290/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 35 MB | 157 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mayfer](https://appshunter.io/developer/1570986789) | [Namecheap, Inc](https://appshunter.io/developer/482604035) |

## What reviewers say

### MAYFEL

[App page](https://appshunter.io/ios/app/mayfel/id1637152916)

**In-app purchases:** none


### Thunderbolt by Spaceship

[App page](https://appshunter.io/ios/app/thunderbolt-by-spaceship/id1645891290)

This platform enables secure and private communication using unique domain names as identifiers. Engage in voice and video calls with enhanced privacy features, moving beyond traditional phone numbers or email addresses.

**Highlights:** Domain-based communication IDs, Secure voice calls, Private video calls, Enhanced privacy

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

**In-app purchases:** none


## Frequently asked questions

### Is MAYFEL free?

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

### Is Thunderbolt by Spaceship free?

Thunderbolt by Spaceship is free to download, with no in-app purchases.

### Do MAYFEL or Thunderbolt by Spaceship have ads?

Neither MAYFEL nor Thunderbolt by Spaceship shows ads.

### Which is updated more often, MAYFEL or Thunderbolt by Spaceship?

MAYFEL ships an update every 2 months, and Thunderbolt by Spaceship fortnightly. Most recently, MAYFEL was updated on October 27, 2026 and Thunderbolt by Spaceship on October 24, 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.*