# Austin 311 vs Batch Proof

The clearest difference is review sentiment: Batch Proof at 100% against Austin 311's 27%. Batch Proof also leads on rating (5.0 vs 2.3) and update cadence (daily vs fortnightly). Austin 311's advantage is in-app purchases (none vs 2) and ratings volume (56 vs 4). On price, ads and device support there is nothing between them.

Both are free to download. Batch Proof sells 2 in-app purchases, starting at $3.99 per month. Austin 311 asks for nothing beyond the download.

Batch Proof holds the better App Store score, 5.0 against 2.3. That said, the two scores are not equally well evidenced: Austin 311 has 56 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 27% of Austin 311's written reviews are positive against 100% of Batch Proof's.

Austin 311 ships an update fortnightly, Batch Proof daily. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Austin 311 | Batch Proof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (56 ratings)](https://appshunter.io/ios/app/austin-311/id894096218/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/batch-proof/id6798914136/reviews)** |
| Number of ratings | **56** | 4 |
| Positive reviews | 27.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 28 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [City of Austin](https://appshunter.io/developer/894096221) | [Dominic Anella](https://appshunter.io/developer/6798914138) |

## What reviewers say

### Austin 311

[App page](https://appshunter.io/ios/app/austin-311/id894096218)

Access City services and information easily. This app helps you connect with the City of Austin for various needs, contributing to its goal of becoming a well-managed city.

**Highlights:** Access city services, Access city information, Connect with City of Austin

**Features:** Vision Pro support

**In-app purchases:** none


### Batch Proof

[App page](https://appshunter.io/ios/app/batch-proof/id6798914136)

Verify certificates of analysis by scanning QR codes or entering identifiers. Access reports, store them privately, compare details, and find related research. Links to original lab sources are provided.

**Highlights:** Source-first certificate verification, QR code scanning, Manual code entry, Private on-device report storage, Side-by-side report comparison, PubMed research integration

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Batch Proof Pro Monthly | $3.99 | per month |
| Batch Proof Pro Annual | $34.99 | per year |


## Frequently asked questions

### Is Austin 311 free?

Austin 311 is free to download, with no in-app purchases.

### Is Batch Proof free?

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

### Which has better reviews, Austin 311 or Batch Proof?

Batch Proof is rated higher. Austin 311 averages 2.3 out of 5 from 56 ratings, while Batch Proof averages 5.0 from 4 ratings.

### Do Austin 311 or Batch Proof have ads?

Neither Austin 311 nor Batch Proof shows ads.

### Which is updated more often, Austin 311 or Batch Proof?

Austin 311 ships an update fortnightly, and Batch Proof daily. Most recently, Austin 311 was updated on November 1, 2026 and Batch Proof on October 31, 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.*