# Spectra ESS App vs Zenyo Workforce

The clearest difference is iOS requirement: Zenyo Workforce at 12.4 against Spectra ESS App's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Spectra ESS App ships an update every 2 weeks, Zenyo Workforce every 3 weeks. The most recent releases landed on October 29, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Spectra ESS App | Zenyo Workforce |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 24.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 68 MB | 16 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Spectra Technovision(India) Private Limited](https://appshunter.io/developer/1286305517) | [Centizen Inc](https://appshunter.io/developer/1544707855) |

## What reviewers say

### Spectra ESS App

[App page](https://appshunter.io/ios/app/spectra-ess-app/id1393935321)

Manage your attendance, apply for leave, and track outdoor duties through a unified platform. Receive instant notifications on application status. Integrates with existing attendance management software for a seamless experience.

**Highlights:** Monitor attendance records, Apply for leave, Request tour/outdoor duty, Approve/reject applications, Instant notifications, Unified platform

**Features:** Vision Pro support

**In-app purchases:** none


### Zenyo Workforce

[App page](https://appshunter.io/ios/app/zenyo-workforce/id6472266095)

**In-app purchases:** none


## Frequently asked questions

### Is Spectra ESS App free?

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

### Is Zenyo Workforce free?

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

### Do Spectra ESS App or Zenyo Workforce have ads?

Neither Spectra ESS App nor Zenyo Workforce shows ads.

### Which is updated more often, Spectra ESS App or Zenyo Workforce?

Spectra ESS App ships an update every 2 weeks, and Zenyo Workforce every 3 weeks. Most recently, Spectra ESS App was updated on October 29, 2026 and Zenyo Workforce on October 4, 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.*