# PostAir vs VoiceTrail

The clearest difference is device support: PostAir at 3 against VoiceTrail's 1. PostAir also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. PostAir sells 3 in-app purchases, starting at $17.00 per month and VoiceTrail sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

PostAir ships an update every 9 days, VoiceTrail every 2 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | PostAir | VoiceTrail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 weeks |
| Size | 13 MB | 3 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Helmuth Rieger](https://appshunter.io/developer/6775443690) | [浩然 徐](https://appshunter.io/developer/6778846119) |

## What reviewers say

### PostAir

[App page](https://appshunter.io/ios/app/postair/id6775443687)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PostAir Starter | $17.00 | per month |
| PostAir Pro | $45.00 | per month |
| PostAir Business | $89.00 | per month |


### VoiceTrail

[App page](https://appshunter.io/ios/app/voicetrail/id6779029961)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoiceTrail Plus | $2.99 | per month |
| VoiceTrail Plus Yearly | $29.99 | per year |
| VoiceTrail Developer | $19.99 | one-time |


## Frequently asked questions

### Is PostAir free?

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

### Is VoiceTrail free?

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

### Do PostAir or VoiceTrail have ads?

Neither PostAir nor VoiceTrail shows ads.

### Which is updated more often, PostAir or VoiceTrail?

PostAir ships an update every 9 days, and VoiceTrail every 2 weeks. Most recently, PostAir was updated on October 31, 2026 and VoiceTrail on October 31, 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.*