# SIERRA VALVES vs Convalve

The clearest difference is ads: SIERRA VALVES at none against Convalve's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

## The numbers

| Metric | SIERRA VALVES | Convalve |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | — |
| Size | 74 MB | 17 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SIERRA FOR ENGINEERING AND MANUFACTURING](https://appshunter.io/developer/1643413636) | [Guven Muhendislik ve Dis Tic. Ltd. Sti.](https://appshunter.io/developer/1767842779) |

## What reviewers say

### SIERRA VALVES

[App page](https://appshunter.io/ios/app/sierra-valves/id1643413483)

**Features:** macOS Compatibility

**In-app purchases:** none


### Convalve

[App page](https://appshunter.io/ios/app/convalve/id6673914733)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIERRA VALVES free?

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

### Is Convalve free?

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

### Do SIERRA VALVES or Convalve have ads?

Convalve shows ads; SIERRA VALVES does not.

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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.*