# ColdAltitude 2 vs CellMaster

The clearest difference is price: CellMaster at Free against ColdAltitude 2's $4.99. CellMaster also leads on rating (5.0 vs 1.3) and review sentiment (58% vs 25%). ColdAltitude 2's advantage is in-app purchases (none vs 1) and iOS requirement (10.0 vs 18.0). On ratings volume, update cadence, ads and device support there is nothing between them.

CellMaster is free to download; ColdAltitude 2 costs $4.99 up front. CellMaster sells 1 one-off in-app purchase. ColdAltitude 2 asks for nothing beyond the download.

CellMaster holds the better App Store score, 5.0 against 1.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 25% of ColdAltitude 2's written reviews are positive against 58% of CellMaster's.

ColdAltitude 2 ships an update monthly, CellMaster every 3 weeks. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ColdAltitude 2 | CellMaster |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [1.3 (3 ratings)](https://appshunter.io/ios/app/coldaltitude-2/id1297022907/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cellmaster/id6749219558/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | 25.0% of reviews | **58.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 17 MB | 213 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [Adam Kusch](https://appshunter.io/developer/460225501) | [yoni gold](https://appshunter.io/developer/1829345218) |

## What reviewers say

### ColdAltitude 2

[App page](https://appshunter.io/ios/app/coldaltitude-2/id1297022907)

Calculate temperature-corrected approach altitudes for aviation. Input field elevation and temperature to get corrected altitudes, with options to store, edit, and retrieve approaches for future use. Also provides METAR and TAF data for approach airports.

**Highlights:** Temperature corrected altitude calculation, Store and manage approaches, Search approaches by airport, METAR & TAF data retrieval, AIM formula calculation

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

**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 ColdAltitude 2 free?

ColdAltitude 2 costs $4.99, with no in-app purchases.

### Is CellMaster free?

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

### Which has better reviews, ColdAltitude 2 or CellMaster?

CellMaster is rated higher. ColdAltitude 2 averages 1.3 out of 5 from 3 ratings, while CellMaster averages 5.0 from 4 ratings.

### Do ColdAltitude 2 or CellMaster have ads?

Neither ColdAltitude 2 nor CellMaster shows ads.

### Which is updated more often, ColdAltitude 2 or CellMaster?

ColdAltitude 2 ships an update monthly, and CellMaster every 3 weeks. Most recently, ColdAltitude 2 was updated on October 8, 2026 and CellMaster on October 14, 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.*