# Ontech SMS vs Zpark

The clearest difference is update cadence: Zpark at monthly against Ontech SMS's every 9 months. Ontech SMS's advantage is iOS requirement (8.1 vs 16.6). 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.

Ontech SMS ships an update every 9 months, Zpark monthly. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Ontech SMS | Zpark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Monthly** |
| Size | 16 MB | 70 MB |
| Requires iOS | **8.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Onvako AB](https://appshunter.io/developer/1799962438) | [Grepit AB](https://appshunter.io/developer/1520166439) |

## What reviewers say

### Ontech SMS

[App page](https://appshunter.io/ios/app/ontech-sms/id520173130)

**In-app purchases:** none


### Zpark

[App page](https://appshunter.io/ios/app/zpark/id1520166437)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Ontech SMS free?

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

### Is Zpark free?

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

### Do Ontech SMS or Zpark have ads?

Neither Ontech SMS nor Zpark shows ads.

### Which is updated more often, Ontech SMS or Zpark?

Ontech SMS ships an update every 9 months, and Zpark monthly. Most recently, Ontech SMS was updated on October 4, 2026 and Zpark on October 1, 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.*