# Telecom eServices vs SignalGen31

The clearest difference is in-app purchases: Telecom eServices at none against SignalGen31's 1. SignalGen31's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. SignalGen31 sells 1 one-off in-app purchase. Telecom eServices asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Telecom eServices | SignalGen31 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 94 MB | 19 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Department Of Telecommunications](https://appshunter.io/developer/1660737948) | [Dogukan Beyzade](https://appshunter.io/developer/1845617808) |

## What reviewers say

### Telecom eServices

[App page](https://appshunter.io/ios/app/telecom-eservices/id6751844404)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### SignalGen31

[App page](https://appshunter.io/ios/app/signalgen31/id6755042821)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $4.99 | one-time |


## Frequently asked questions

### Is Telecom eServices free?

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

### Is SignalGen31 free?

SignalGen31 is free to download, with in-app purchases available.

### Do Telecom eServices or SignalGen31 have ads?

Neither Telecom eServices nor SignalGen31 shows ads.

### Which is updated more often, Telecom eServices or SignalGen31?

Telecom eServices ships an update every 2 months, and SignalGen31 every 2 months. Most recently, Telecom eServices was updated on October 24, 2026 and SignalGen31 on October 15, 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.*