# NTPC O&M CONF vs Salmo

The clearest difference is update cadence: Salmo at every 3 weeks against NTPC O&M CONF's every 11 months. 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.

NTPC O&M CONF ships an update every 11 months, Salmo every 3 weeks. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | NTPC O&M CONF | Salmo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 weeks** |
| Size | 34 MB | 65 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NTPC Limited](https://appshunter.io/developer/1155906178) | [SOCIETE INDUSTRIELLE LESAFFRE](https://appshunter.io/developer/1284863866) |

## What reviewers say

### NTPC O&M CONF

[App page](https://appshunter.io/ios/app/ntpc-o-and-m-conf/id1200396339)

**Features:** macOS Compatibility

**In-app purchases:** none


### Salmo

[App page](https://appshunter.io/ios/app/salmo-nullo/id6745090392)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NTPC O&M CONF free?

NTPC O&M CONF is free to download, with no in-app purchases.

### Is Salmo free?

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

### Do NTPC O&M CONF or Salmo have ads?

Neither NTPC O&M CONF nor Salmo shows ads.

### Which is updated more often, NTPC O&M CONF or Salmo?

NTPC O&M CONF ships an update every 11 months, and Salmo every 3 weeks. Most recently, NTPC O&M CONF was updated on November 2, 2026 and Salmo on October 28, 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.*