# CellMapper vs Cell Tower Locator Open Signal

The clearest difference is update cadence: Cell Tower Locator Open Signal at every 5 days against CellMapper's every 3 weeks. Cell Tower Locator Open Signal also leads on review sentiment (25% vs 6%) and rating (4.2 vs 4.0). CellMapper's advantage is ratings volume (755 vs 38) and iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. CellMapper sells 3 in-app purchases, starting at $7.99 per 7 days and Cell Tower Locator Open Signal sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Cell Tower Locator Open Signal holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: CellMapper has 755 ratings behind it against 38, so its average is the more settled of the two. Written reviews point the same way: 6% of CellMapper's written reviews are positive against 25% of Cell Tower Locator Open Signal's.

CellMapper ships an update every 3 weeks, Cell Tower Locator Open Signal every 5 days. Both last shipped on November 4, 2026.

## The numbers

| Metric | CellMapper | Cell Tower Locator Open Signal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (755 ratings)](https://appshunter.io/ios/app/cellmapper/id6733219269/reviews) | **[4.2 (38 ratings)](https://appshunter.io/ios/app/cell-tower-locator-open-signal/id6741713678/reviews)** |
| Number of ratings | **755** | 38 |
| Positive reviews | 6.0% of reviews | **25.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 58 MB | 44 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Harshit Tyagi](https://appshunter.io/developer/1776912818) | [Metin Atalay](https://appshunter.io/developer/1649101503) |

## What reviewers say

### CellMapper

[App page](https://appshunter.io/ios/app/cellmapper/id6733219269)

Locate nearby cellular towers on an interactive map, providing details on 5G, 4G, 3G, and 2G networks. Enhance your mobile signal or explore network coverage in your area with real-time data and tower information.

**Highlights:** Real-time tower locations, 5G, 4G, 3G, 2G tower details, Interactive map integration, Detailed tower information, Network coverage exploration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $7.99 | per 7 days |
| Yearly | $24.99 | per year |
| Lifetime Plan | $29.99 | one-time |

**What reviewers like**

- 👍 Clean and intuitive UI design
- ⚡ Stable performance without crashes
- 🗺️ Helpful for understanding cellular infrastructure
- 🔍 Useful for comparing carrier coverage across locations
- 📊 Proper tower display and filtering functionality

**What reviewers complain about**

- 💰 Extremely expensive pricing ($20+ paywall)
- 🔒 Most features locked behind premium subscription
- 📱 Misleading freemium model with no usable free features
- ❌ Inaccurate or fabricated tower data
- 📍 Shows towers in impossible locations (fields, houses, water)

**Reported bugs**

- Cell towers not loading or displaying
- App crashes and freezing
- Map zoom functionality not working
- Location detection failing
- Inconsistent tower data between free and paid versions

**Requested features**

- Free trial period before requiring payment
- Carrier identification for each tower
- Network type filtering (4G, 5G, LTE, 3G)
- Signal strength visualization
- Ability to manually select preferred towers


### Cell Tower Locator Open Signal

[App page](https://appshunter.io/ios/app/cell-tower-locator-open-signal/id6741713678)

Analyze your mobile signal strength in real-time to optimize your connection. View detailed cell tower information and coverage maps for 5G, 4G, and 3G networks. Ideal for users needing reliable connectivity in various locations.

**Highlights:** Real-time signal strength analysis, Cell tower radar, Network speed testing, Detailed tower information, 5G, 4G, LTE coverage maps, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cell Tower Finder Week | $6.99 | per 7 days |
| Cell Tower Finder Month | $12.99 | per month |
| Cell Tower Finder Yearly | $19.99 | per year |


## Frequently asked questions

### Is CellMapper free?

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

### Is Cell Tower Locator Open Signal free?

Cell Tower Locator Open Signal is free to download, with in-app purchases available.

### Which has better reviews, CellMapper or Cell Tower Locator Open Signal?

Cell Tower Locator Open Signal is rated higher. CellMapper averages 4.0 out of 5 from 755 ratings, while Cell Tower Locator Open Signal averages 4.2 from 38 ratings.

### Do CellMapper or Cell Tower Locator Open Signal have ads?

Neither CellMapper nor Cell Tower Locator Open Signal shows ads.

### Which is updated more often, CellMapper or Cell Tower Locator Open Signal?

CellMapper ships an update every 3 weeks, and Cell Tower Locator Open Signal every 5 days. Most recently, CellMapper was updated on November 4, 2026 and Cell Tower Locator Open Signal on November 4, 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.*