# Inseries vs Corp One Pro

The clearest difference is update cadence: Corp One Pro at every 2 months against Inseries's every 6 months. Corp One Pro also leads on iOS requirement (13.4 vs 17.6). 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.

Inseries ships an update every 6 months, Corp One Pro every 2 months. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Inseries | Corp One Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 10 MB | 18 MB |
| Requires iOS | 17.6 | **13.4** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Elemental Tools GmbH](https://appshunter.io/developer/300357999) | [SKPL Antrepriz Solutions Pvt Ltd](https://appshunter.io/developer/1409065023) |

## What reviewers say

### Inseries

[App page](https://appshunter.io/ios/app/inseries-smart-calculator/id824731089)

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

**In-app purchases:** none


### Corp One Pro

[App page](https://appshunter.io/ios/app/corp-one-pro/id6692618519)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Inseries free?

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

### Is Corp One Pro free?

Corp One Pro is free to download, with no in-app purchases.

### Do Inseries or Corp One Pro have ads?

Neither Inseries nor Corp One Pro shows ads.

### Which is updated more often, Inseries or Corp One Pro?

Inseries ships an update every 6 months, and Corp One Pro every 2 months. Most recently, Inseries was updated on November 11, 2026 and Corp One Pro on November 8, 2026.

---

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