# NGO vs Whisker.io Mobile

The clearest difference is in-app purchases: Whisker.io Mobile at none against NGO's 4. Whisker.io Mobile also leads on update cadence (every 2 weeks vs every 36 months). NGO's advantage is device support (3 vs 1) and iOS requirement (12.2 vs 16.0). On price and ads there is nothing between them.

Both are free to download. NGO sells 4 one-off in-app purchases. Whisker.io Mobile asks for nothing beyond the download.

NGO ships an update every 36 months, Whisker.io Mobile every 2 weeks. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | NGO | Whisker.io Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (8 ratings)](https://appshunter.io/ios/app/ngo/id1041603828/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 48 MB | 33 MB |
| Requires iOS | **12.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Neptune Technology Group](https://appshunter.io/developer/1041603827) | [D6 Labs](https://appshunter.io/developer/1481270544) |

## What reviewers say

### NGO

[App page](https://appshunter.io/ios/app/ngo/id1041603828)

This app simplifies meter reading data collection and analysis in the field. It provides on-the-spot insights into water usage patterns, leak detection, and reverse flow, improving customer service and operational efficiency for utilities.

**Highlights:** On-site meter data collection, Real-time data analysis, Leak and reverse flow detection, Customer water usage graphing, AMI functionality in hand, Troubleshooting usage anomalies

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Data Log | $9.99 | one-time |
| Off Cycle | $9.99 | one-time |
| Pressure | $9.99 | one-time |
| Purchase All Modes | $19.99 | one-time |


### Whisker.io Mobile

[App page](https://appshunter.io/ios/app/whiskerio-mobile/id6760433272)

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

**In-app purchases:** none


## Frequently asked questions

### Is NGO free?

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

### Is Whisker.io Mobile free?

Whisker.io Mobile is free to download, with no in-app purchases.

### Do NGO or Whisker.io Mobile have ads?

Neither NGO nor Whisker.io Mobile shows ads.

### Which is updated more often, NGO or Whisker.io Mobile?

NGO ships an update every 36 months, and Whisker.io Mobile every 2 weeks. Most recently, NGO was updated on November 2, 2026 and Whisker.io Mobile on November 9, 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.*