# MailPeek MSG Viewer vs TagSpaces

The clearest difference is price: TagSpaces at Free against MailPeek MSG Viewer's $3.99. TagSpaces also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (15.0 vs 17.0). MailPeek MSG Viewer's advantage is in-app purchases (none vs 1). On ads and device support there is nothing between them.

TagSpaces is free to download; MailPeek MSG Viewer costs $3.99 up front. TagSpaces sells 1 one-off in-app purchase. MailPeek MSG Viewer asks for nothing beyond the download.

MailPeek MSG Viewer ships an update every 4 months, TagSpaces every 3 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | MailPeek MSG Viewer | TagSpaces |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 4 MB | 219 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sneed IT GmbH](https://appshunter.io/developer/1123369428) | [TagSpaces GmbH](https://appshunter.io/developer/1008944432) |

## What reviewers say

### MailPeek MSG Viewer

[App page](https://appshunter.io/ios/app/mailpeek-msg-viewer/id6760124273)

**Features:** Vision Pro support

**In-app purchases:** none


### TagSpaces

[App page](https://appshunter.io/ios/app/tagspaces/id6779178134)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TagSpaces Pro | $29.99 | one-time |


## Frequently asked questions

### Is MailPeek MSG Viewer free?

MailPeek MSG Viewer costs $3.99, with no in-app purchases.

### Is TagSpaces free?

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

### Do MailPeek MSG Viewer or TagSpaces have ads?

Neither MailPeek MSG Viewer nor TagSpaces shows ads.

### Which is updated more often, MailPeek MSG Viewer or TagSpaces?

MailPeek MSG Viewer ships an update every 4 months, and TagSpaces every 3 weeks. Most recently, MailPeek MSG Viewer was updated on September 19, 2026 and TagSpaces on September 9, 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.*