# Merv vs USS Mobile

The clearest difference is in-app purchases: USS Mobile at none against Merv's 3. USS Mobile also leads on iOS requirement (17.0 vs 26.5). Merv's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Merv sells 3 in-app purchases, starting at $9.99 per month. USS Mobile asks for nothing beyond the download.

Merv ships an update fortnightly, USS Mobile every 2 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Merv | USS Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 112 MB | 4 MB |
| Requires iOS | 26.5 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Protective IQ Limited](https://appshunter.io/developer/1803557144) | [TrustLayer](https://appshunter.io/developer/1838659144) |

## What reviewers say

### Merv

[App page](https://appshunter.io/ios/app/merv/id6749407173)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access (1 Month) | $9.99 | per month |
| All Access (1 Year) | $99.99 | per year |
| All Access Household (1 Year) | $149.99 | per year |


### USS Mobile

[App page](https://appshunter.io/ios/app/uss-mobile/id6752286030)

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

**In-app purchases:** none


## Frequently asked questions

### Is Merv free?

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

### Is USS Mobile free?

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

### Do Merv or USS Mobile have ads?

Neither Merv nor USS Mobile shows ads.

### Which is updated more often, Merv or USS Mobile?

Merv ships an update fortnightly, and USS Mobile every 2 months. Most recently, Merv was updated on October 28, 2026 and USS Mobile 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.*