# SafeGuard NVR Client vs CellMaster

The clearest difference is review sentiment: SafeGuard NVR Client at 100% against CellMaster's 58%. SafeGuard NVR Client also leads on in-app purchases (none vs 1) and device support (3 vs 1). CellMaster's advantage is update cadence (every 3 weeks vs every 25 months). On price and ads there is nothing between them.

Both are free to download. CellMaster sells 1 one-off in-app purchase. SafeGuard NVR Client asks for nothing beyond the download.

SafeGuard NVR Client ships an update every 25 months, CellMaster every 3 weeks. The most recent releases landed on September 29, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SafeGuard NVR Client | CellMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cellmaster/id6749219558/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **100.0% of reviews** | 58.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 75 MB | 213 MB |
| Requires iOS | **7.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [MPT Digital Inc.](https://appshunter.io/developer/1009099065) | [yoni gold](https://appshunter.io/developer/1829345218) |

## What reviewers say

### SafeGuard NVR Client

[App page](https://appshunter.io/ios/app/safeguard-nvr-client/id1009099066)

Access your security cameras remotely from any SafeGuard NVR or Hybrid NVR. View live feeds and manage your surveillance system from your iPhone or iPad.

**Highlights:** Remote camera viewing, Local network access, Internet connectivity, Supports NVR and Hybrid NVR, iPhone and iPad compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### CellMaster

[App page](https://appshunter.io/ios/app/cellmaster/id6749219558)

Explore detailed cell tower information with interactive maps and carrier search. Save favorite towers and view dynamic frequency data, even offline. Understand your mobile network coverage with intuitive tools.

**Highlights:** Interactive cell tower maps, Carrier and frequency band search, Save and organize favorite towers, Dynamic frequency and antenna views, Offline data access

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is SafeGuard NVR Client free?

SafeGuard NVR Client is free to download, with no in-app purchases.

### Is CellMaster free?

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

### Do SafeGuard NVR Client or CellMaster have ads?

Neither SafeGuard NVR Client nor CellMaster shows ads.

### Which is updated more often, SafeGuard NVR Client or CellMaster?

SafeGuard NVR Client ships an update every 25 months, and CellMaster every 3 weeks. Most recently, SafeGuard NVR Client was updated on September 29, 2026 and CellMaster on October 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*