# Senline vs Knox

The clearest difference is in-app purchases: Senline at none against Knox's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Knox sells 3 in-app purchases, starting at $1.99 per 7 days. Senline asks for nothing beyond the download.

Senline ships an update every 2 weeks, Knox weekly. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Senline | Knox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 107 MB | 12 MB |
| Requires iOS | 18.6 | **18.5** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Artem Zasypalov](https://appshunter.io/developer/1758198328) | [Jeremiah Siror](https://appshunter.io/developer/1808129154) |

## What reviewers say

### Senline

[App page](https://appshunter.io/ios/app/senline/id6745040753)

**In-app purchases:** none


### Knox

[App page](https://appshunter.io/ios/app/knox-expense-tracker/id6751052109)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knox Weekly | $1.99 | per 7 days |
| Knox Monthly | $4.99 | per month |
| Knox Yearly | $29.99 | per year |


## Frequently asked questions

### Is Senline free?

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

### Is Knox free?

Knox is free to download, with in-app purchases available.

### Do Senline or Knox have ads?

Neither Senline nor Knox shows ads.

### Which is updated more often, Senline or Knox?

Senline ships an update every 2 weeks, and Knox weekly. Most recently, Senline was updated on September 10, 2026 and Knox on June 1, 2026.

---

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