# Sky Jana Purchasing vs Opentec E

The clearest difference is device support: Sky Jana Purchasing at 3 against Opentec E's 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.

Sky Jana Purchasing ships an update every 5 months, Opentec E every 8 months. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Sky Jana Purchasing | Opentec E |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 8 months |
| Size | 25 MB | 96 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sky Software](https://appshunter.io/developer/1461696206) | [OPEN TEC SYSTEMS L L C](https://appshunter.io/developer/1496569686) |

## What reviewers say

### Sky Jana Purchasing

[App page](https://appshunter.io/ios/app/sky-jana-purchasing/id1494282972)

**Features:** macOS Compatibility

**In-app purchases:** none


### Opentec E

[App page](https://appshunter.io/ios/app/opentec-e-signer/id1496569687)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sky Jana Purchasing free?

Sky Jana Purchasing is free to download, with no in-app purchases.

### Is Opentec E free?

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

### Do Sky Jana Purchasing or Opentec E have ads?

Neither Sky Jana Purchasing nor Opentec E shows ads.

### Which is updated more often, Sky Jana Purchasing or Opentec E?

Sky Jana Purchasing ships an update every 5 months, and Opentec E every 8 months. Most recently, Sky Jana Purchasing was updated on October 10, 2026 and Opentec E on October 25, 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.*