# SpecTransBY vs Ra

The clearest difference is update cadence: SpecTransBY at every 10 days against Ra's monthly. SpecTransBY also leads on iOS requirement (13.0 vs 15.1). 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.

SpecTransBY ships an update every 10 days, Ra monthly. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SpecTransBY | Ra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Size | 34 MB | 33 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Anton Vorobei](https://appshunter.io/developer/1679026680) | [Vassiliy Suslyakov](https://appshunter.io/developer/1692732173) |

## What reviewers say

### SpecTransBY

[App page](https://appshunter.io/ios/app/spectransby/id6447445256)

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

**In-app purchases:** none


### Ra

[App page](https://appshunter.io/ios/app/ra-dar/id6451401801)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpecTransBY free?

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

### Is Ra free?

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

### Do SpecTransBY or Ra have ads?

Neither SpecTransBY nor Ra shows ads.

### Which is updated more often, SpecTransBY or Ra?

SpecTransBY ships an update every 10 days, and Ra monthly. Most recently, SpecTransBY was updated on October 12, 2026 and Ra 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.*