# SKI+ vs TekPass Keep

The clearest difference is in-app purchases: SKI+ at none against TekPass Keep's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TekPass Keep sells 1 one-off in-app purchase. SKI+ asks for nothing beyond the download.

SKI+ ships an update every 3 weeks, TekPass Keep every 6 weeks. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | SKI+ | TekPass Keep |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 127 MB | 17 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Academia Sinica Research Center for Information Technology Innovation](https://appshunter.io/developer/432286895) | [evermore](https://appshunter.io/developer/417924068) |

## What reviewers say

### SKI+

[App page](https://appshunter.io/ios/app/ski-plus/id1347443378)

A secure messaging app that uses end-to-end encryption for private communication. All message encryption and decryption happen on your device, ensuring your conversations are protected from unauthorized access.

**Highlights:** End-to-end message encryption, Decentralized encryption on device, Secure communication, Photo and video sharing, Location sharing, Contact integration

**Features:** macOS Compatibility

**In-app purchases:** none


### TekPass Keep

[App page](https://appshunter.io/ios/app/tekpass-keep/id1665119184)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 啟用完整功能 360 天 | $11.99 | one-time |


## Frequently asked questions

### Is SKI+ free?

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

### Is TekPass Keep free?

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

### Do SKI+ or TekPass Keep have ads?

Neither SKI+ nor TekPass Keep shows ads.

### Which is updated more often, SKI+ or TekPass Keep?

SKI+ ships an update every 3 weeks, and TekPass Keep every 6 weeks. Most recently, SKI+ was updated on September 17, 2026 and TekPass Keep 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.*