# EarthLink vs SLO/SLA Calc

The clearest difference is review sentiment: SLO/SLA Calc at 100% against EarthLink's 0%. SLO/SLA Calc also leads on rating (5.0 vs 1.9). EarthLink's advantage is price (Free vs $1.99) and ratings volume (164 vs 1). On update cadence, ads, in-app purchases and device support there is nothing between them.

EarthLink is free to download; SLO/SLA Calc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SLO/SLA Calc holds the better App Store score, 5.0 against 1.9. That said, the two scores are not equally well evidenced: EarthLink has 164 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of EarthLink's written reviews are positive against 100% of SLO/SLA Calc's.

EarthLink ships an update every 3 weeks, SLO/SLA Calc every 11 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | EarthLink | SLO/SLA Calc |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [1.9 (164 ratings)](https://appshunter.io/ios/app/earthlink/id6463245732/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slosla-calc/id6789262199/reviews)** |
| Number of ratings | **164** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | **Free** | Paid |
| Size | 46 MB | 5 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EarthLink LLC](https://appshunter.io/developer/344574736) | [Ruben Calzadilla](https://appshunter.io/developer/1130032354) |

## What reviewers say

### EarthLink

[App page](https://appshunter.io/ios/app/earthlink/id6463245732)

Manage your EarthLink services, view and pay bills, and upgrade your internet or other features. Get instant support through chat and receive important account updates.

**Highlights:** Account management, Bill viewing and payment, Service upgrades, Live chat support, Account notifications, Secure login

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

**In-app purchases:** none

**What reviewers like**

- 👍 Latest app update fixes login issues
- 👍 App features now work upon first glance

**What reviewers complain about**

- 👎 Terrible internet speeds
- 👎 Inconsistent and unreliable service
- 👎 Misleading sales tactics
- 👎 High prices for poor service
- 👎 Non-functional apps

**Reported bugs**

- App crashes on opening
- Login issues
- Credentials incorrect
- Cannot register
- Cannot create account

**Requested features**

- Improve app design and usability
- Fix app compatibility issues
- Allow users to choose notification permissions
- Retain user credentials after logging out
- Improve customer support responsiveness and effectiveness


### SLO/SLA Calc

[App page](https://appshunter.io/ios/app/slosla-calc/id6789262199)

This tool helps engineers and operators model system availability and evaluate designs before deployment. It calculates availability for various configurations, estimates device reliability, and allows users to build and visualize complex systems. Generate professional PDF reports and review key definitions for availability and reliability.

**Highlights:** Calculate system and device availability, Model series, parallel, and N:M designs, Estimate device availability using MTBF, MTTR, Save and reuse devices/subsystems as Blocks, Build larger Systems by connecting Blocks, Visualize system architecture, Generate and share PDF reports

**In-app purchases:** none


## Frequently asked questions

### Is EarthLink free?

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

### Is SLO/SLA Calc free?

SLO/SLA Calc costs $1.99, with no in-app purchases.

### Which has better reviews, EarthLink or SLO/SLA Calc?

SLO/SLA Calc is rated higher. EarthLink averages 1.9 out of 5 from 164 ratings, while SLO/SLA Calc averages 5.0 from 1 ratings.

### Do EarthLink or SLO/SLA Calc have ads?

Neither EarthLink nor SLO/SLA Calc shows ads.

### Which is updated more often, EarthLink or SLO/SLA Calc?

EarthLink ships an update every 3 weeks, and SLO/SLA Calc every 11 days. Most recently, EarthLink was updated on October 24, 2026 and SLO/SLA Calc on October 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.*