# Transparency Weather vs Altimeter

The clearest difference is review sentiment: Transparency Weather at 92% against Altimeter's 0%. Transparency Weather also leads on iOS requirement (12.0 vs 15.0). Altimeter's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, monetization model and device support there is nothing between them.

Both are free to download. Transparency Weather sells 3 in-app purchases, starting at $1.00 per month. Altimeter asks for nothing beyond the download.

Transparency Weather ships an update every 6 weeks, Altimeter every 3 weeks. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Transparency Weather | Altimeter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (53 ratings)](https://appshunter.io/ios/app/transparency-weather/id1506460349/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | **91.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 200 MB | 29 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [经纬 王](https://appshunter.io/developer/1503880949) | [峰 蔺](https://appshunter.io/developer/1638851480) |

## What reviewers say

### Transparency Weather

[App page](https://appshunter.io/ios/app/transparency-weather/id1506460349)

Get detailed weather forecasts with personalized themes and customizable widgets. Offers real-time updates, minute-level precipitation, and long-term predictions for multiple locations. Stay informed about air quality and potential disasters.

**Highlights:** Personalized themes with custom backgrounds, Real-time and multi-day weather widgets, Precise street-level location tracking, Minute-level precipitation forecasts, Air quality and life index, Multi-location weather queries

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Features （Monthly） | $1.00 | per month |
| Premium Features (yearly) | $6.00 | per year |
| Weather photo widget | Free | one-time |


### Altimeter

[App page](https://appshunter.io/ios/app/altimeter-altitude-elevation/id6788599346)

Track your altitude and location in real-time using GPS and barometric sensors. Record your journeys, analyze elevation trends with charts, and share your altitude milestones with custom data cards.

**Highlights:** Real-time elevation display, Precise location information, Built-in high-precision compass, Track recording and map playback, Elevation history and trend charts, Check-in photos with watermarks, Altitude sharing cards

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

**In-app purchases:** none


## Frequently asked questions

### Is Transparency Weather free?

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

### Is Altimeter free?

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

### Do Transparency Weather or Altimeter have ads?

Transparency Weather shows ads; Altimeter does not.

### Which is updated more often, Transparency Weather or Altimeter?

Transparency Weather ships an update every 6 weeks, and Altimeter every 3 weeks. Most recently, Transparency Weather was updated on October 21, 2026 and Altimeter on October 20, 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.*