# Convi.BASE Pocket vs Ontrasys Pro

The clearest difference is iOS requirement: Ontrasys Pro at 13.6 against Convi.BASE Pocket's 18.0. 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.

Convi.BASE Pocket ships an update every 2 months, Ontrasys Pro every 3 months. The most recent releases landed on August 28, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Convi.BASE Pocket | Ontrasys Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 20 MB | 17 MB |
| Requires iOS | 18.0 | **13.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Convi.BASE Co., Ltd.](https://appshunter.io/developer/1748993468) | [TOPPAN PRINTING CO.,LTD.](https://appshunter.io/developer/373909233) |

## What reviewers say

### Convi.BASE Pocket

[App page](https://appshunter.io/ios/app/convibase-pocket/id1097446140)

**Features:** Vision Pro support

**In-app purchases:** none


### Ontrasys Pro

[App page](https://appshunter.io/ios/app/ontrasys-pro/id1486536359)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Convi.BASE Pocket free?

Convi.BASE Pocket is free to download, with no in-app purchases.

### Is Ontrasys Pro free?

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

### Do Convi.BASE Pocket or Ontrasys Pro have ads?

Neither Convi.BASE Pocket nor Ontrasys Pro shows ads.

### Which is updated more often, Convi.BASE Pocket or Ontrasys Pro?

Convi.BASE Pocket ships an update every 2 months, and Ontrasys Pro every 3 months. Most recently, Convi.BASE Pocket was updated on August 28, 2026 and Ontrasys Pro on September 16, 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.*