# e vs SaltCo

The clearest difference is monetization model: SaltCo at free against e's ad-supported. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for e against 5.0 for SaltCo. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | e | SaltCo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/e-sens/id1585074022/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/saltco/id6749644613/reviews) |
| Number of ratings | **3** | 2 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 32 MB | 69 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e-sens, Inc.](https://appshunter.io/developer/1479061797) | [SaltCo](https://appshunter.io/developer/1831560252) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-sens/id1585074022)

This tool allows water quality professionals to collect, manage, analyze, and track water quality test parameters. It is designed for water treatment facilities and professionals in the field.

**Highlights:** Water quality data collection, Data management, Analysis of test parameters, Tracking of water quality, Designed for professionals, Supports water treatment facilities

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

**In-app purchases:** none


### SaltCo

[App page](https://appshunter.io/ios/app/saltco/id6749644613)

This app monitors your water softener salt levels using a connected sensor. It provides real-time updates, historical usage charts, and timely alerts for low salt or offline sensors. Select areas offer local dealer browsing and delivery scheduling for effortless refills.

**Highlights:** Bluetooth sensor connection, Real-time salt level checks, Historical usage charts, Low salt level alerts, Offline sensor notifications, Local dealer browsing, Delivery scheduling

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

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is SaltCo free?

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

### Which has better reviews, e or SaltCo?

e and SaltCo are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do e or SaltCo have ads?

Neither e nor SaltCo shows ads.

### Which is updated more often, e or SaltCo?

e ships an update every 2 months, and SaltCo every 2 months. Most recently, e was updated on September 19, 2026 and SaltCo on September 24, 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.*