# COLMASTER vs eSignOTP

The clearest difference is update cadence: COLMASTER at every 3 weeks against eSignOTP's every 20 months. 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.

COLMASTER ships an update every 3 weeks, eSignOTP every 20 months. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | COLMASTER | eSignOTP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 20 months |
| Size | 32 MB | 12 MB |
| Requires iOS | 13.4 | **12.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ENERGY TEAM SERVICE SRL SIGALBILE ENERGY TEAM SRL](https://appshunter.io/developer/1161692785) | [Notartel S.p.A.](https://appshunter.io/developer/1051642634) |

## What reviewers say

### COLMASTER

[App page](https://appshunter.io/ios/app/colmaster/id1161692786)

**Features:** macOS Compatibility

**In-app purchases:** none


### eSignOTP

[App page](https://appshunter.io/ios/app/esignotp/id1437788354)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is COLMASTER free?

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

### Is eSignOTP free?

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

### Do COLMASTER or eSignOTP have ads?

Neither COLMASTER nor eSignOTP shows ads.

### Which is updated more often, COLMASTER or eSignOTP?

COLMASTER ships an update every 3 weeks, and eSignOTP every 20 months. Most recently, COLMASTER was updated on September 29, 2026 and eSignOTP on October 6, 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.*