# CellMaster vs Invisible Witness

The clearest difference is in-app purchases: Invisible Witness at none against CellMaster's 1. Invisible Witness also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (14.0 vs 18.0). On price, ads and device support there is nothing between them.

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

CellMaster ships an update every 3 weeks, Invisible Witness every 5 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CellMaster | Invisible Witness |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cellmaster/id6749219558/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 58.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 213 MB | 12 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [yoni gold](https://appshunter.io/developer/1829345218) | [Irbis Solutions Inc.](https://appshunter.io/developer/6782215080) |

## What reviewers say

### 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 |


### Invisible Witness

[App page](https://appshunter.io/ios/app/invisible-witness/id6782215078)

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

**In-app purchases:** none


## Frequently asked questions

### Is CellMaster free?

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

### Is Invisible Witness free?

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

### Do CellMaster or Invisible Witness have ads?

Neither CellMaster nor Invisible Witness shows ads.

### Which is updated more often, CellMaster or Invisible Witness?

CellMaster ships an update every 3 weeks, and Invisible Witness every 5 days. Most recently, CellMaster was updated on November 5, 2026 and Invisible Witness on October 31, 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.*