# Alliant Energy vs CorroScan

The clearest difference is in-app purchases: Alliant Energy at none against CorroScan's 2. Alliant Energy also leads on device support (3 vs 1). CorroScan's advantage is update cadence (every 2 days vs every 2 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. CorroScan sells 2 in-app purchases, starting at $14.99 per month. Alliant Energy asks for nothing beyond the download.

Alliant Energy ships an update every 2 months, CorroScan every 2 days. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Alliant Energy | CorroScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (29K ratings)](https://appshunter.io/ios/app/alliant-energy/id1309147007/reviews)** | — |
| Number of ratings | **29K** | — |
| Positive reviews | 37.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 41 MB | 27 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alliant Energy Corporation](https://appshunter.io/developer/1309147006) | [OFO Tech](https://appshunter.io/developer/1435806692) |

## What reviewers say

### Alliant Energy

[App page](https://appshunter.io/ios/app/alliant-energy/id1309147007)

Manage your energy account with ease. This app offers bill payments, usage monitoring, and account management tools. Stay informed about your energy consumption and receive important notifications.

**Highlights:** Manage account anytime, anywhere, Monitor energy consumption with graphs, Hassle-free bill payments, Compare hourly, daily, seasonal usage, Receive important notifications

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use app
- 🚀 Fast bill pay process
- 📊 Useful features like usage history
- 💳 Convenient payment options

**What reviewers complain about**

- 🐛 Glitches and bugs in the app
- 🔍 Difficult to navigate and find features
- 🔒 Issues with account/payment setup
- ⏱️ Delayed or inaccurate data

**Reported bugs**

- App crashes or freezes
- Login/account issues
- Payment processing problems
- Incorrect or missing data

**Requested features**

- Improve app stability and reliability
- Streamline navigation and workflows
- Add more account management features
- Enhance data accuracy and timeliness


### CorroScan

[App page](https://appshunter.io/ios/app/corroscan/id6789752647)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CorroScan Pro | $14.99 | per month |
| CorroScan Pro (Annual) | $149.00 | per year |


## Frequently asked questions

### Is Alliant Energy free?

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

### Is CorroScan free?

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

### Do Alliant Energy or CorroScan have ads?

Neither Alliant Energy nor CorroScan shows ads.

### Which is updated more often, Alliant Energy or CorroScan?

Alliant Energy ships an update every 2 months, and CorroScan every 2 days. Most recently, Alliant Energy was updated on November 10, 2026 and CorroScan on November 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.*