# pulse.eco vs Aligner Tracker

The clearest difference is update cadence: Aligner Tracker at every 6 weeks against pulse.eco's every 3 months. pulse.eco's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

pulse.eco ships an update every 3 months, Aligner Tracker every 6 weeks. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | pulse.eco | Aligner Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/pulseeco/id1325651447/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 11 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Netcetera AG](https://appshunter.io/developer/293648835) | [Feiyu Chang](https://appshunter.io/developer/1492595678) |

## What reviewers say

### pulse.eco

[App page](https://appshunter.io/ios/app/pulseeco/id1325651447)

Monitor real-time environmental data like air pollution, noise levels, and temperature in your city. Contribute to a growing sensor network and open-source code to foster sustainable development.

**Highlights:** Real-time environmental data monitoring, Air pollution tracking, Urban noise hot spot identification, Temperature and humidity readings, Crowdsourcing platform integration, Contribute to sensor network expansion, Open-source code contribution

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

**In-app purchases:** none


### Aligner Tracker

[App page](https://appshunter.io/ios/app/aligner-tracker-ac/id6776087674)

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

**In-app purchases:** none


## Frequently asked questions

### Is pulse.eco free?

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

### Is Aligner Tracker free?

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

### Do pulse.eco or Aligner Tracker have ads?

Neither pulse.eco nor Aligner Tracker shows ads.

### Which is updated more often, pulse.eco or Aligner Tracker?

pulse.eco ships an update every 3 months, and Aligner Tracker every 6 weeks. Most recently, pulse.eco was updated on October 12, 2026 and Aligner Tracker on October 9, 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.*