# Entergy vs CORE Calculator App

The clearest difference is review sentiment: CORE Calculator App at 100% against Entergy's 11%. CORE Calculator App also leads on rating (5.0 vs 2.7) and iOS requirement (14.0 vs 17.0). Entergy's advantage is in-app purchases (none vs 3) and ratings volume (1.6K vs 11). On price, ads and device support there is nothing between them.

Both are free to download. CORE Calculator App sells 3 in-app purchases, starting at $4.99 per month. Entergy asks for nothing beyond the download.

CORE Calculator App holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: Entergy has 1.6K ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 11% of Entergy's written reviews are positive against 100% of CORE Calculator App's.

Entergy ships an update every 3 weeks, CORE Calculator App every 3 months. The most recent releases landed on October 22, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Entergy | CORE Calculator App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (1.6K ratings)](https://appshunter.io/ios/app/entergy/id529855219/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/core-calculator-app/id1447118499/reviews)** |
| Number of ratings | **1.6K** | 11 |
| Positive reviews | 11.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 168 MB | 148 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Entergy Services, LLC](https://appshunter.io/developer/529855223) | [AsInt Inc.](https://appshunter.io/developer/1438397626) |

## What reviewers say

### Entergy

[App page](https://appshunter.io/ios/app/entergy/id529855219)

Manage your utility account with ease. Pay bills quickly, track energy usage, and stay informed about power outages. Customize notifications and access energy-saving tips.

**Highlights:** Quick bill payment, View account balance and due date, Outage map and alerts, Report and check outage status, View daily/monthly usage and costs, Energy efficiency tips, Customizable notifications

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 📊 Helpful usage tracking
- 💳 Convenient bill payment

**What reviewers complain about**

- 🐛 App crashes frequently
- ⚠️ Unreliable outage information
- 🕰️ Slow app performance
- 🔒 Security concerns
- 💰 Expensive service

**Reported bugs**

- Login issues
- Blank screens and loading problems
- Inaccurate billing projections
- Payment processing failures

**Requested features**

- Improved outage reporting and updates
- Customizable usage alerts
- Ability to view past billing history
- Integration with smart home devices


### CORE Calculator App

[App page](https://appshunter.io/ios/app/core-calculator-app/id1447118499)

This app provides inspectors in the oil and gas industry with essential calculations for asset integrity. It offers tools for determining Tmin, MAWP, corrosion rates, and remaining life based on industry standards.

**Highlights:** Tmin calculations, MAWP calculations, Corrosion rate calculations, Remaining life determination, Construction material information, Damage mechanism identification

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Materials Lookup | $4.99 | per month |
| Damage Mech Screener | $9.99 | per month |
| Materials Lookup | $5.99 | one-time |


## Frequently asked questions

### Is Entergy free?

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

### Is CORE Calculator App free?

CORE Calculator App is free to download, with in-app purchases available.

### Which has better reviews, Entergy or CORE Calculator App?

CORE Calculator App is rated higher. Entergy averages 2.7 out of 5 from 1.6K ratings, while CORE Calculator App averages 5.0 from 11 ratings.

### Do Entergy or CORE Calculator App have ads?

Neither Entergy nor CORE Calculator App shows ads.

### Which is updated more often, Entergy or CORE Calculator App?

Entergy ships an update every 3 weeks, and CORE Calculator App every 3 months. Most recently, Entergy was updated on October 22, 2026 and CORE Calculator App on October 17, 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.*