# Sentemeter Pro vs Sky Jana Purchasing

The clearest difference is update cadence: Sentemeter Pro at every 2 months against Sky Jana Purchasing's every 5 months. 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.

Sentemeter Pro ships an update every 2 months, Sky Jana Purchasing every 5 months. The most recent releases landed on September 17, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Sentemeter Pro | Sky Jana Purchasing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Size | 38 MB | 25 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [LUNAR ROCK TECHNOLOGIES FZCO](https://appshunter.io/developer/1451167046) | [Sky Software](https://appshunter.io/developer/1461696206) |

## What reviewers say

### Sentemeter Pro

[App page](https://appshunter.io/ios/app/sentemeter-pro/id1451167047)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sky Jana Purchasing

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentemeter Pro free?

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

### Is Sky Jana Purchasing free?

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

### Do Sentemeter Pro or Sky Jana Purchasing have ads?

Neither Sentemeter Pro nor Sky Jana Purchasing shows ads.

### Which is updated more often, Sentemeter Pro or Sky Jana Purchasing?

Sentemeter Pro ships an update every 2 months, and Sky Jana Purchasing every 5 months. Most recently, Sentemeter Pro was updated on September 17, 2026 and Sky Jana Purchasing on September 8, 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.*