# NiSample (Obj vs zDox

The clearest difference is update cadence: NiSample (Obj at every 3 weeks against zDox's every 4 months. NiSample (Obj also leads on iOS requirement (10.3 vs 15.1). 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.

NiSample (Obj ships an update every 3 weeks, zDox every 4 months. The most recent releases landed on October 18, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | NiSample (Obj | zDox |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | — | Free |
| Size | 2 MB | 107 MB |
| Requires iOS | **10.3** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R&D Computer System](https://appshunter.io/developer/1098547421) | [Ginkgo Soft](https://appshunter.io/developer/924725312) |

## What reviewers say

### NiSample (Obj

[App page](https://appshunter.io/ios/app/nisample-obj-c/id1098547422)

**Features:** macOS Compatibility

**In-app purchases:** none


### zDox

[App page](https://appshunter.io/ios/app/zdox/id1436468541)

Effortlessly create, sign, and manage your documents digitally. This app allows for secure document handling, signature creation, and organization with features like folders and search.

**Highlights:** Create and sign documents, Secure document storage, Signature creation, Document organization with folders, Search functionality, Profile and security settings

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

**In-app purchases:** none


## Frequently asked questions

### Is NiSample (Obj free?

NiSample (Obj is free to download, with no in-app purchases.

### Is zDox free?

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

### Do NiSample (Obj or zDox have ads?

Neither NiSample (Obj nor zDox shows ads.

### Which is updated more often, NiSample (Obj or zDox?

NiSample (Obj ships an update every 3 weeks, and zDox every 4 months. Most recently, NiSample (Obj was updated on October 18, 2026 and zDox on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*