# Wash Systems OPEn vs SF ESS

The clearest difference is update cadence: SF ESS at monthly against Wash Systems OPEn's every 28 months. Wash Systems OPEn's advantage is iOS requirement (11.0 vs 15.1). 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.

Wash Systems OPEn ships an update every 28 months, SF ESS monthly. The most recent releases landed on October 26, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Wash Systems OPEn | SF ESS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (8.6K ratings)](https://appshunter.io/ios/app/sf-ess/id1483947998/reviews)** |
| Number of ratings | — | **8.6K** |
| Positive reviews | — | 2.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Monthly** |
| Monetization | — | Free |
| Size | 12 MB | 30 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wash Systems LLC](https://appshunter.io/developer/1448638083) | [StoreForce Solutions Inc.](https://appshunter.io/developer/481422456) |

## What reviewers say

### Wash Systems OPEn

[App page](https://appshunter.io/ios/app/wash-systems-open/id1448638084)

**Features:** macOS Compatibility

**In-app purchases:** none


### SF ESS

[App page](https://appshunter.io/ios/app/sf-ess/id1483947998)

Manage your work schedule, request time off, and view performance metrics. Receive important communication updates directly from your employer. Features may differ based on your specific retailer.

**Highlights:** Schedule management, Time off requests, Performance viewing, Communication updates, Retailer-specific options

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Convenient scheduling
- 💡 Ability to sync with calendar

**What reviewers complain about**

- 🐛 Constant glitches and crashes
- 💤 Slow and unresponsive
- 🤯 Confusing and unintuitive UI
- 🔒 Login issues and lack of security features

**Reported bugs**

- Can't log in or access schedule
- Shifts not updating or displaying correctly
- Constant crashing and freezing
- Notification issues

**Requested features**

- Bring back monthly calendar view
- Improve scheduling visibility and clarity
- Add ability to see coworker schedules
- Integrate with more calendar apps


## Frequently asked questions

### Is Wash Systems OPEn free?

Wash Systems OPEn is free to download, with no in-app purchases.

### Is SF ESS free?

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

### Do Wash Systems OPEn or SF ESS have ads?

Neither Wash Systems OPEn nor SF ESS shows ads.

### Which is updated more often, Wash Systems OPEn or SF ESS?

Wash Systems OPEn ships an update every 28 months, and SF ESS monthly. Most recently, Wash Systems OPEn was updated on October 26, 2026 and SF ESS on November 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*