# senstracking vs Piper

The clearest difference is in-app purchases: senstracking at none against Piper's 10. senstracking also leads on iOS requirement (11.0 vs 15.0). Piper's advantage is update cadence (every 10 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Piper sells 10 one-off in-app purchases. senstracking asks for nothing beyond the download.

senstracking ships an update every 7 months, Piper every 10 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | senstracking | Piper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/senstracking/id1450243734/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 10 days** |
| Monetization | Free | — |
| Size | 24 MB | 75 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sayme Wireless Sensor Network](https://appshunter.io/developer/1328360065) | [Lautaro de los Heros](https://appshunter.io/developer/1617381157) |

## What reviewers say

### senstracking

[App page](https://appshunter.io/ios/app/senstracking/id1450243734)

This app provides real-time location tracking for people and assets within a defined area using IEEE 802.15.4 frames. It allows for automatic location of individuals and assets, with the ability to remotely signal specific items. This helps reduce search times in bounded environments.

**Highlights:** Automatic location of people and assets, Real-time positional data, Remote asset signaling, Reduced search times, IEEE 802.15.4 frame transmission

**Features:** macOS Compatibility

**In-app purchases:** none


### Piper

[App page](https://appshunter.io/ios/app/piper-music-collection/id1617380825)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 formats | $0.99 | one-time |
| 5 album types | $0.99 | one-time |
| 10 formats | $1.49 | one-time |
| 10 album types | $1.49 | one-time |
| 200 exchange rates | $1.59 | one-time |
| 20 formats | $1.99 | one-time |
| 20 album types | $1.99 | one-time |
| Small bundle | $1.99 | one-time |
| Medium bundle | $3.49 | one-time |
| Large bundle | $4.99 | one-time |


## Frequently asked questions

### Is senstracking free?

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

### Is Piper free?

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

### Do senstracking or Piper have ads?

Neither senstracking nor Piper shows ads.

### Which is updated more often, senstracking or Piper?

senstracking ships an update every 7 months, and Piper every 10 days. Most recently, senstracking was updated on November 2, 2026 and Piper on November 3, 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.*