# NSI Mobile vs Citime Customer

The clearest difference is update cadence: Citime Customer at every 9 days against NSI Mobile's every 3 weeks. 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.

NSI Mobile ships an update every 3 weeks, Citime Customer every 9 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | NSI Mobile | Citime Customer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 87 MB | 25 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [National Securities Incoporation](https://appshunter.io/developer/1544710151) | [IELTS Mentor](https://appshunter.io/developer/1603021476) |

## What reviewers say

### NSI Mobile

[App page](https://appshunter.io/ios/app/nsi-mobile/id1544710149)

**In-app purchases:** none


### Citime Customer

[App page](https://appshunter.io/ios/app/citime-customer/id6775710737)

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

**In-app purchases:** none


## Frequently asked questions

### Is NSI Mobile free?

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

### Is Citime Customer free?

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

### Do NSI Mobile or Citime Customer have ads?

Neither NSI Mobile nor Citime Customer shows ads.

### Which is updated more often, NSI Mobile or Citime Customer?

NSI Mobile ships an update every 3 weeks, and Citime Customer every 9 days. Most recently, NSI Mobile was updated on October 25, 2026 and Citime Customer on October 28, 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.*