# ESS 41 vs CNVRT OS

The clearest difference is rating: CNVRT OS at 5.0 against ESS 41's 1.4. CNVRT OS also leads on update cadence (every 5 days vs every 5 weeks). ESS 41's advantage is in-app purchases (none vs 1) and ratings volume (3.1K vs 1). On price, ads and device support there is nothing between them.

Both are free to download. CNVRT OS sells 1 in-app purchase, starting at $4.99 per month. ESS 41 asks for nothing beyond the download.

CNVRT OS holds the better App Store score, 5.0 against 1.4. That said, the two scores are not equally well evidenced: ESS 41 has 3.1K ratings behind it against 1, so its average is the more settled of the two.

ESS 41 ships an update every 5 weeks, CNVRT OS every 5 days. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ESS 41 | CNVRT OS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.4 (3.1K ratings)](https://appshunter.io/ios/app/ess-41-reflexis-one/id1473943383/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cnvrt-os/id6763533859/reviews)** |
| Number of ratings | **3.1K** | 1 |
| Positive reviews | 3.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 43 MB | 31 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Reflexis Systems Inc](https://appshunter.io/developer/1094727299) | [ETHAN DANIEL LOWELL](https://appshunter.io/developer/1855076702) |

## What reviewers say

### ESS 41

[App page](https://appshunter.io/ios/app/ess-41-reflexis-one/id1473943383)

Manage your work schedule, request time off, and trade shifts with colleagues. This app allows you to view your timecard, update availability, and even clock in and out using geofencing technology.

**Highlights:** View schedule, Request day-off & time-off, Perform Shift Trade, Bid on open shifts, View timecard, Update availability, Geofence enabled mobile clock

**In-app purchases:** none

**What reviewers like**

- 👍 Useful for viewing work schedule
- 🔒 Secure login process
- 📆 Ability to sync with calendar

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- ⏱️ Slow loading times
- 🔑 Requires manual login every time
- 🔍 Difficult to navigate and find information
- 📱 Incompatible with some devices

**Reported bugs**

- Login errors and inability to log in
- Schedules not displaying correctly
- Sync issues with calendar
- Crashing on certain device models

**Requested features**

- Push notifications for schedule changes
- Ability to request time off directly in the app
- Improved user interface and navigation
- Support for biometric login (Face ID, Touch ID)


### CNVRT OS

[App page](https://appshunter.io/ios/app/cnvrt-os/id6763533859)

This app provides daily, personalized tasks and analytics to help content creators improve their performance. It analyzes videos, offers actionable fixes, and adapts strategies for consistent growth and monetization.

**Highlights:** Personalized daily tasks, Video performance analysis, Actionable improvement suggestions, Adaptive strategy learning, Progress tracking, Content growth system

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CNVRT Pro | $4.99 | per month |


## Frequently asked questions

### Is ESS 41 free?

ESS 41 is free to download, with no in-app purchases.

### Is CNVRT OS free?

CNVRT OS is free to download, with in-app purchases available.

### Which has better reviews, ESS 41 or CNVRT OS?

CNVRT OS is rated higher. ESS 41 averages 1.4 out of 5 from 3.1K ratings, while CNVRT OS averages 5.0 from 1 ratings.

### Do ESS 41 or CNVRT OS have ads?

Neither ESS 41 nor CNVRT OS shows ads.

### Which is updated more often, ESS 41 or CNVRT OS?

ESS 41 ships an update every 5 weeks, and CNVRT OS every 5 days. Most recently, ESS 41 was updated on October 29, 2026 and CNVRT OS on October 7, 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.*