# eClocker vs COT Z

The clearest difference is in-app purchases: eClocker at none against COT Z's 1. eClocker also leads on iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. COT Z sells 1 in-app purchase, starting at $4.99 per month. eClocker asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | eClocker | COT Z |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 25 MB | 39 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Profile Corportae Services (PTY) LTD](https://appshunter.io/developer/1525176876) | [Ricardo Dacosta](https://appshunter.io/developer/1500340235) |

## What reviewers say

### eClocker

[App page](https://appshunter.io/ios/app/eclocker/id1525176694)

**In-app purchases:** none


### COT Z

[App page](https://appshunter.io/ios/app/cot-z-score/id6755860112)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| COT- ZScore - Monthly Subscription | $4.99 | per month |


## Frequently asked questions

### Is eClocker free?

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

### Is COT Z free?

COT Z is free to download, with in-app purchases available.

### Do eClocker or COT Z have ads?

Neither eClocker nor COT Z shows ads.

### Which is updated more often, eClocker or COT Z?

eClocker ships an update every 3 weeks, and COT Z every 3 weeks. Most recently, eClocker was updated on September 15, 2026 and COT Z on September 11, 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.*