# Spectra ESS App vs SMRT COMPLEX

The clearest difference is update cadence: Spectra ESS App at every 2 weeks against SMRT COMPLEX's every 3 months. SMRT COMPLEX's advantage is iOS requirement (13.4 vs 15.0). 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.

Spectra ESS App ships an update every 2 weeks, SMRT COMPLEX every 3 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Spectra ESS App | SMRT COMPLEX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 24.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | Free | — |
| Size | 68 MB | 24 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spectra Technovision(India) Private Limited](https://appshunter.io/developer/1286305517) | [Ladybird Web Solution Private Limited](https://appshunter.io/developer/1185454913) |

## 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


### SMRT COMPLEX

[App page](https://appshunter.io/ios/app/smrt-complex/id6670697598)

**Features:** macOS Compatibility

**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 SMRT COMPLEX free?

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

### Do Spectra ESS App or SMRT COMPLEX have ads?

Neither Spectra ESS App nor SMRT COMPLEX shows ads.

### Which is updated more often, Spectra ESS App or SMRT COMPLEX?

Spectra ESS App ships an update every 2 weeks, and SMRT COMPLEX every 3 months. Most recently, Spectra ESS App was updated on October 24, 2026 and SMRT COMPLEX on October 27, 2026.

---

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