# BART Watch vs SF POPOS

The clearest difference is review sentiment: SF POPOS at 100% against BART Watch's 35%. SF POPOS also leads on rating (5.0 vs 4.4) and update cadence (every 2 weeks vs every 3 months). BART Watch's advantage is ratings volume (2.9K vs 6) and iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SF POPOS holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: BART Watch has 2.9K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 35% of BART Watch's written reviews are positive against 100% of SF POPOS's.

BART Watch ships an update every 3 months, SF POPOS every 2 weeks. The most recent releases landed on October 21, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | BART Watch | SF POPOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (2.9K ratings)](https://appshunter.io/ios/app/bart-watch/id900583295/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/sf-popos/id6749281919/reviews)** |
| Number of ratings | **2.9K** | 6 |
| Positive reviews | 34.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 20 MB | 75 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [ELERTS Corp](https://appshunter.io/developer/445885285) | [Samuel Snow](https://appshunter.io/developer/1829824175) |

## What reviewers say

### BART Watch

[App page](https://appshunter.io/ios/app/bart-watch/id900583295)

This app provides a discreet way for public transit riders to report suspicious activity directly to transit police. Users can send text messages, photos, and location data, with options for anonymity. It also features alerts for persons of interest.

**Highlights:** Report suspicious activity, Send text messages and photos, Discreet reporting with disabled flash, Location sharing, Anonymous reporting option, Direct call to transit police, Be On the Look Out (BOLO) alerts

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Speedy response
- 🚀 Helpful app
- 🚀 Fast response time!
- 🚀 Buen trabajo
- 🚀 Excellent app/very useful

**What reviewers complain about**

- 🔍 Logo is too big
- 🔍 Works horrible in tunnel and tube
- 🔍 If you like to answer endless inane questions
- 🔍 Useless
- 🔍 No response

**Reported bugs**

- had a good connection but unable to upload
- Can't file a report and a kid is lighting things on fire in the BART car. Obvious the camera doesn't work. Good job!
- Don't see an option for fare evader

**Requested features**

- Need a way to report non-police matters too
- Upload a photo of disruptive  behavior


### SF POPOS

[App page](https://appshunter.io/ios/app/sf-popos/id6749281919)

Discover San Francisco's hidden urban oases, from quiet plazas to rooftop terraces. Find private spaces open to the public for a moment of calm or a place to recharge. Explore the city's dense fabric and uncover unique retreats.

**Highlights:** Discover hidden urban retreats, Find quiet plazas and courtyards, Detailed space information, Smart navigation with map and list view, Advanced filtering by amenities, Save favorite spaces

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BART Watch free?

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

### Is SF POPOS free?

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

### Which has better reviews, BART Watch or SF POPOS?

SF POPOS is rated higher. BART Watch averages 4.4 out of 5 from 2.9K ratings, while SF POPOS averages 5.0 from 6 ratings.

### Do BART Watch or SF POPOS have ads?

Neither BART Watch nor SF POPOS shows ads.

### Which is updated more often, BART Watch or SF POPOS?

BART Watch ships an update every 3 months, and SF POPOS every 2 weeks. Most recently, BART Watch was updated on October 21, 2026 and SF POPOS on October 12, 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.*