# Putnam311 vs GoQrcode

The clearest difference is update cadence: GoQrcode at every 11 days against Putnam311's every 22 months. Putnam311's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Putnam311 ships an update every 22 months, GoQrcode every 11 days. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Putnam311 | GoQrcode |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 11 days** |
| Size | 6 MB | 16 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [PUTNAM, COUNTY OF](https://appshunter.io/developer/1495088572) | [Dang Hoang](https://appshunter.io/developer/1545095478) |

## What reviewers say

### Putnam311

[App page](https://appshunter.io/ios/app/putnam311/id1495088573)

**Features:** macOS Compatibility

**In-app purchases:** none


### GoQrcode

[App page](https://appshunter.io/ios/app/goqrcode/id6738462348)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Putnam311 free?

Putnam311 is free to download, with no in-app purchases.

### Is GoQrcode free?

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

### Do Putnam311 or GoQrcode have ads?

Neither Putnam311 nor GoQrcode shows ads.

### Which is updated more often, Putnam311 or GoQrcode?

Putnam311 ships an update every 22 months, and GoQrcode every 11 days. Most recently, Putnam311 was updated on October 5, 2026 and GoQrcode on September 27, 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.*