# Ser vs CitizenOne

The clearest difference is iOS requirement: Ser at 12.2 against CitizenOne'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.

Ser ships an update every 3 weeks, CitizenOne every 11 days. The most recent releases landed on June 4, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Ser | CitizenOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Size | 91 MB | 67 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ITmaskinen Consulting AB](https://appshunter.io/developer/307752055) | [AWORK Group A/S](https://appshunter.io/developer/1774510504) |

## What reviewers say

### Ser

[App page](https://appshunter.io/ios/app/ser/id1565105742)

**Features:** macOS Compatibility

**In-app purchases:** none


### CitizenOne

[App page](https://appshunter.io/ios/app/citizenone/id6737061242)

**In-app purchases:** none


## Frequently asked questions

### Is Ser free?

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

### Is CitizenOne free?

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

### Do Ser or CitizenOne have ads?

Neither Ser nor CitizenOne shows ads.

### Which is updated more often, Ser or CitizenOne?

Ser ships an update every 3 weeks, and CitizenOne every 11 days. Most recently, Ser was updated on June 4, 2026 and CitizenOne on September 12, 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.*