# Green Mountain Power vs Fluorometer

The clearest difference is update cadence: Green Mountain Power at every 2 weeks against Fluorometer's every 2 months. 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.

Green Mountain Power ships an update every 2 weeks, Fluorometer every 2 months. The most recent releases landed on October 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Green Mountain Power | Fluorometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.9K ratings)](https://appshunter.io/ios/app/green-mountain-power/id937090423/reviews)** | — |
| Number of ratings | **3.9K** | — |
| Positive reviews | 97.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 72 MB | 21 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Green Mountain Power](https://appshunter.io/developer/388256830) | [HANGZHOU ALLSHENG INSTRUMENTS CO.,LTD.](https://appshunter.io/developer/1851092995) |

## What reviewers say

### Green Mountain Power

[App page](https://appshunter.io/ios/app/green-mountain-power/id937090423)

This app allows customers to manage their utility accounts, including making payments, reporting outages, and monitoring energy usage. View bills, set up payment plans, and update account information easily.

**Highlights:** Report and monitor outages, View current balance and past bills, Make payments and save payment methods, Monitor energy usage and generation, Manage account settings and profile, Switch to ebilling

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick and convenient
- 💡 Helpful features (usage tracking, outage reporting)
- 🔒 Secure and reliable
- 🌟 Excellent customer service

**What reviewers complain about**

- 🐛 Occasional app crashes or freezes
- 💰 High electricity rates
- 🕰️ Delayed or missing estimated restoration times during outages

**Reported bugs**

- Usage data not always updating in a timely manner
- Landscape mode issues with chart/graph visibility

**Requested features**

- Ability to schedule payments in advance
- More detailed net metering usage breakdown
- Improved chart/graph functionality for usage data


### Fluorometer

[App page](https://appshunter.io/ios/app/fluorometer/id6754950431)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Green Mountain Power free?

Green Mountain Power is free to download, with no in-app purchases.

### Is Fluorometer free?

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

### Do Green Mountain Power or Fluorometer have ads?

Neither Green Mountain Power nor Fluorometer shows ads.

### Which is updated more often, Green Mountain Power or Fluorometer?

Green Mountain Power ships an update every 2 weeks, and Fluorometer every 2 months. Most recently, Green Mountain Power was updated on October 23, 2026 and Fluorometer on October 5, 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.*