Simple Temperature Converter vs ListenerGS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simple Temperature Converter
Easily convert temperatures between Celsius and Fahrenheit with a simple sliding interface. This app offers a quick and intuitive way to switch units without typing, with customizable temperature ranges. It's designed for users who frequently need to check temperatures in different scales.
- Sliding conversion interface
- Celsius to Fahrenheit conversion
- Fahrenheit to Celsius conversion
- Customizable temperature range
- Quick and simple to use
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Tired of viewing the weather and having to fumble with switching between F and C all the time? Simple and quick sliding to convert the temperature from C to F, no need to type anything, just slide and go. Default temperature range is between 50C (122F) and -50C (-58F). v1.2 Update You can now change the minimum and maximum values and the slider will update live. Values reset to 50C and -50C after closing the app.
ListenerGS
This app transforms your modern device into a speech recognition input for a network-connected Apple IIGS. Speak into your device, and your words will be typed into compatible GS applications, such as text editors.
- Speech recognition for Apple IIGS
- Network connectivity
- Text input for GS applications
- Works with text editors
- Modern device integration
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ListenerGS allows you to use your modern device as a speech recognition peripheral for a network capable Apple IIGS. Your GS needs to be running System 6.0.x and have the Marinetti TCP/IP stack installed and you must have some kind of network interface on your machine. The Uthernet II card is highly recommended. Also, you must have the corresponding Listener new desk accessory installed on your GS. Because this is a new desk accessory, ListenerGS should work with any desktop application on your GS that accepts text. It works best with text editors like Hermes and Teach. With it setup, you can open a network connection from your modern device to your GS. When you tap the "Listen and Send Text" button, you will find that the words you say should be typed out onto your GS.
Screenshots
Verdict
The clearest difference is review sentiment: ListenerGS at 100% against Simple Temperature Converter's 0%. ListenerGS also leads on price (Free vs $0.99). Simple Temperature Converter's advantage is update cadence (every 6 months vs every 18 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
ListenerGS is free to download; Simple Temperature Converter costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Simple Temperature Converter ships an update every 6 months, ListenerGS every 18 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Simple Temperature Converter | ListenerGS |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 4 — better | — |
| Update frequency | Every 6 months — better | Every 18 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 0 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Bruce Anthony | Halcyon Touch Software |
Customer experience
Simple Temperature Converter
ListenerGS
In-app purchases
Simple Temperature Converter
No in-app purchases
ListenerGS
No in-app purchases
Questions
Is Simple Temperature Converter free?
Is ListenerGS free?
Do Simple Temperature Converter or ListenerGS have ads?
Which is updated more often, Simple Temperature Converter or ListenerGS?
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