# Fasttelphone vs SmartgridOne

The clearest difference is iOS requirement: Fasttelphone at 13.0 against SmartgridOne's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Fasttelphone ships an update every 4 months, SmartgridOne every 2 months. The most recent releases landed on September 23, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | Fasttelphone | SmartgridOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 159 MB | 29 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fasttel](https://appshunter.io/developer/514872805) | [Eniris](https://appshunter.io/developer/1616177363) |

## What reviewers say

### Fasttelphone

[App page](https://appshunter.io/ios/app/fasttelphone/id1582782567)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### SmartgridOne

[App page](https://appshunter.io/ios/app/smartgridone/id1616177361)

**In-app purchases:** none


## Frequently asked questions

### Is Fasttelphone free?

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

### Is SmartgridOne free?

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

### Do Fasttelphone or SmartgridOne have ads?

Neither Fasttelphone nor SmartgridOne shows ads.

### Which is updated more often, Fasttelphone or SmartgridOne?

Fasttelphone ships an update every 4 months, and SmartgridOne every 2 months. Most recently, Fasttelphone was updated on September 23, 2026 and SmartgridOne on August 19, 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.*