# Satellite Transponders vs ONSAT

The clearest difference is in-app purchases: ONSAT at none against Satellite Transponders's 1. ONSAT also leads on update cadence (every 2 weeks vs every 4 months). Satellite Transponders's advantage is iOS requirement (11.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Satellite Transponders sells 1 one-off in-app purchase. ONSAT asks for nothing beyond the download.

Satellite Transponders ships an update every 4 months, ONSAT every 2 weeks. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Satellite Transponders | ONSAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (292 ratings)](https://appshunter.io/ios/app/satellite-transponders/id488579989/reviews)** | — |
| Number of ratings | **292** | — |
| Positive reviews | 57.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 82 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yuriy Kvasha](https://appshunter.io/developer/488579992) | [SITALLCOM SISTEMAS INTELIGENTES LTDA](https://appshunter.io/developer/1526495577) |

## What reviewers say

### Satellite Transponders

[App page](https://appshunter.io/ios/app/satellite-transponders/id488579989)

Access a comprehensive database of global TV satellites and their parameters. Easily search for channels, providers, and satellite information, and manage your favorites. An optional professional version offers advanced features like augmented reality and smart searching.

**Highlights:** Global satellite database, Search by channel, satellite, radio, provider, Display channel, radio, provider details, Frequency, polarization, FEC, Symbol Rate display, Favorites list, Augmented reality (Pro version), Smart searching with sound (Pro version)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional package | $2.99 | one-time |

**What reviewers like**

- 👍 Works well
- 🚀 Useful and informative
- 💡 Great for satellite setup
- 🔍 Helpful for finding channels

**What reviewers complain about**

- 🐛 Crashes on certain devices
- 🤔 Complicated to use
- 💰 Requires paid upgrade for full functionality
- 📚 Outdated satellite/channel information

**Reported bugs**

- Compass not working on iOS 9 devices
- Incorrect transponder frequencies listed for some channels
- Satellite search not working as expected

**Requested features**

- Ability to filter by satellite type (C-band, Ku-band, etc.)
- Option to sort channels by frequency
- Satellite coverage maps for current location
- HD channel identification


### ONSAT

[App page](https://appshunter.io/ios/app/onsat/id1538472707)

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

**In-app purchases:** none


## Frequently asked questions

### Is Satellite Transponders free?

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

### Is ONSAT free?

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

### Do Satellite Transponders or ONSAT have ads?

Neither Satellite Transponders nor ONSAT shows ads.

### Which is updated more often, Satellite Transponders or ONSAT?

Satellite Transponders ships an update every 4 months, and ONSAT every 2 weeks. Most recently, Satellite Transponders was updated on October 23, 2026 and ONSAT on October 24, 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.*