# SEN App vs Kolin

The clearest difference is in-app purchases: Kolin at none against SEN App's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SEN App sells 6 one-off in-app purchases. Kolin asks for nothing beyond the download.

SEN App ships an update weekly, Kolin every 2 weeks. The most recent releases landed on September 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SEN App | Kolin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 63 MB | 110 MB |
| Requires iOS | **11.0** | 12.4 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [SEN INNOVATIONS JOINT STOCK COMPANY](https://appshunter.io/developer/1662285287) | [ICEO TECHNOLOGY JOINT STOCK COMPANY](https://appshunter.io/developer/1449105284) |

## What reviewers say

### SEN App

[App page](https://appshunter.io/ios/app/sen-app/id1662284775)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SENpoint | $2.99 | one-time |
| SENpoint | $6.99 | one-time |
| SENpoint | $14.99 | one-time |
| SENpoint | $29.99 | one-time |
| SENpoint | $49.99 | one-time |
| SENpoint | $69.99 | one-time |


### Kolin

[App page](https://appshunter.io/ios/app/kolin/id6738643759)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SEN App free?

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

### Is Kolin free?

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

### Do SEN App or Kolin have ads?

Neither SEN App nor Kolin shows ads.

### Which is updated more often, SEN App or Kolin?

SEN App ships an update weekly, and Kolin every 2 weeks. Most recently, SEN App was updated on September 25, 2026 and Kolin on September 23, 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.*