# City Calibration Centers vs Fanttik

The clearest difference is in-app purchases: Fanttik at none against City Calibration Centers's 3. City Calibration Centers's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17). On price, update cadence and ads there is nothing between them.

Both are free to download. City Calibration Centers sells 3 in-app purchases, starting at $199.00 per month. Fanttik asks for nothing beyond the download.

City Calibration Centers ships an update fortnightly, Fanttik every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | City Calibration Centers | Fanttik |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/city-calibration-centers/id6739418391/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 63 MB | 47 MB |
| Requires iOS | **14.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [CITY CALIBRATION CENTERS INC](https://appshunter.io/developer/1785157153) | [Fanttik](https://appshunter.io/developer/1652866216) |

## What reviewers say

### City Calibration Centers

[App page](https://appshunter.io/ios/app/city-calibration-centers/id6739418391)

This app allows plumbers to access and complete LL152 reports for gas piping inspections on their mobile devices. Connect your gas detector via Bluetooth to easily inspect, report, and protect your inspection data, ensuring compliance with NYC Local Law 152.

**Highlights:** Access LL152 reports on the go, Connect gas detector via Bluetooth, Autofill GPS forms onsite, Create and manage inspection reports, Export BIN datalog

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly, Auto-renewing | $199.00 | per month |
| Single Report Purchase | $9.99 | one-time |
| Yearly Offer | $259.00 | one-time |


### Fanttik

[App page](https://appshunter.io/ios/app/fanttik/id6762033708)

**In-app purchases:** none


## Frequently asked questions

### Is City Calibration Centers free?

City Calibration Centers is free to download, with in-app purchases available.

### Is Fanttik free?

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

### Do City Calibration Centers or Fanttik have ads?

Neither City Calibration Centers nor Fanttik shows ads.

### Which is updated more often, City Calibration Centers or Fanttik?

City Calibration Centers ships an update fortnightly, and Fanttik every 3 weeks. Most recently, City Calibration Centers was updated on October 30, 2026 and Fanttik 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.*