# iSense vs Teletext CH

The clearest difference is price: iSense at Free against Teletext CH's $1.99. Teletext CH's advantage is iOS requirement (13.0 vs 15.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

iSense is free to download; Teletext CH costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iSense ships an update every 4 weeks, Teletext CH fortnightly. The most recent releases landed on October 7, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | iSense | Teletext CH |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Size | 114 MB | 4 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Cobalt Technologies Sarl](https://appshunter.io/developer/1552954819) | [Jonas Minke](https://appshunter.io/developer/1838658027) |

## What reviewers say

### iSense

[App page](https://appshunter.io/ios/app/isense/id6739247630)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Teletext CH

[App page](https://appshunter.io/ios/app/teletext-ch/id6754783763)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is iSense free?

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

### Is Teletext CH free?

Teletext CH costs $1.99, with no in-app purchases.

### Do iSense or Teletext CH have ads?

Neither iSense nor Teletext CH shows ads.

### Which is updated more often, iSense or Teletext CH?

iSense ships an update every 4 weeks, and Teletext CH fortnightly. Most recently, iSense was updated on October 7, 2026 and Teletext CH on October 9, 2026.

---

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