Forethumb vs Aercast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Forethumb
This keyboard app allows users to input text on their iOS devices using Morse code. It offers single-key or paddle input methods, with options for sound feedback and customizable gap lengths. It supports alphabets, numbers, some symbols, and Japanese characters.
- Morse code input (single key or paddle)
- Sound feedback on input
- Swipe gestures for delete/space
- Customizable gap length
- Supports alphabets, numbers, symbols, Japanese
Read full descriptionHide full description
Forethumb enables you to input characters on your iOS device with morse code. You can type sentences blindfold, if you memorized morse code for forethumb. [Function] - Character input is possible by single key type or paddle type Morse input. - The sound is played when you input the morse code. - In the case of the single key type, swiping the key to the left will "delete" and swiping to the right will "enter space". - You can change the default gap length. [Functional Limitations] - The characters that you can enter are alphabets, numbers, some symbols, and Japanese. [Attention] - You have to do the additional procedure of Forethumb to use it (Settings -> General -> Keyboard). - Then, you also have to turn on the "Full Access" for Forethumb. * Please don’t worry; The developer does not collect your data at all. [Support] - Please do not hesitate to contact the developer for any defect reports or questions/requests. - The developer will consider any requests about additional function. - The developer may end support for older iOS without notice.
Aercast
Read full descriptionHide full description
Aercast dashboard and configurator. The app allows you to easily monitor your Aercast devices, configurate them and download logging history. Senseair Aercast is an advanced and versatile 4-in-1 IAQ monitor. It measures CO2 concentration, temperature, humidity and barometric pressure in the ambient air accurately without need for additional compensation – true read. The measured parameters are conveniently combined into one common indicator – the Senseair Index – describing how your performance is affected by the ambient air. Research shows that the air around us significantly affects our health and performance. Aercast puts you in control of the surrounding environment and secures your top performance. See more about your device on https://senseair.com/products/aercast-explora-family/aercast/
Screenshots
Verdict
The clearest difference is price: Aercast at Free against Forethumb's $0.99. Aercast also leads on iOS requirement (12.0 vs 16.4). Forethumb's advantage is update cadence (every 2 weeks vs every 27 months). On ads, in-app purchases and device support 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
Aercast is free to download; Forethumb costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Forethumb ships an update every 2 weeks, Aercast every 27 months. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.
| Parameter | Forethumb | Aercast |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.8 (8 ratings) — better | — |
| Positive reviews | 64.3% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 2 weeks — better | Every 27 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 71 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Takuto Nakamura | Senseair AB |
In-app purchases
Forethumb
No in-app purchases
Aercast
No in-app purchases
