Comparison

Forethumb vs SP2ALERT

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Morse code input (single key or paddle)
  • Sound feedback on input
  • Swipe gestures for delete/space
  • Customizable gap length
  • Supports alphabets, numbers, symbols, Japanese
Features
Read 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.

About

SP2ALERT

Features
Read full description

SP2ALERT is an alert app for amateur radio operators that delivers real-time push notifications for new POTA (Parks on the Air) and SOTA (Summits on the Air) spots. ■ POTA / SOTA Spot Alerts Automatically detects new spots and sends push notifications — even when the app is in the background. ■ Three Alert Modes (foreground only) • CW Vibration — vibrates in Morse code pattern (adjustable WPM and amplitude) • CW Tone — plays Morse code through the speaker (300–1500 Hz pitch) • Voice — reads spot information aloud (phonetic alphabet supported) ■ Flexible Filtering • Filter by band and mode (all bands from 160m to 13cm supported) • Filter by POTA program (JP, K, VK, etc.) or SOTA association • Include/exclude specific callsigns, park references, or summit references • Save and switch between multiple named presets ■ Hunt / Chase Management • Import POTA Hunt and SOTA Chase history via CSV • Alert only for unworked parks and summits • Multi-location activations (same operator at multiple parks) are always alerted even if one park is already hunted ■ Notification Controls • Configurable polling interval • Alert time window (e.g. 7:00–22:59 only) • Re-alert interval • Alert expiry timer • Additional alert on frequency/mode change ■ English / Japanese Localization The UI automatically switches between English and Japanese based on your device language setting. 【iOS Limitations】 Background operation is limited to notification banners and sounds. CW tone, voice, and vibration alerts only work while the app is in the foreground. Background polling timing is controlled by iOS and may be delayed beyond the configured interval.

Screenshots

Forethumb4 screens
SP2ALERT4 screens

Verdict

The call

The clearest difference is price: SP2ALERT at Free against Forethumb's $0.99. SP2ALERT also leads on update cadence (every 2 days vs every 2 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

SP2ALERT is free to download; Forethumb costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Forethumb ships an update every 2 weeks, SP2ALERT every 2 days. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 8 level
Forethumb versus SP2ALERT: the parameters behind the verdict, then further details
ParameterForethumbSP2ALERT
Price$0.99Free — better
Rating4.8 (8 ratings) — better—
Positive reviews64.3% of reviews—
Number of ratings8 — better—
Update frequencyEvery 2 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.416.0 — better
Further details — not scored
Size71 MB6 MB
Age rating4+4+
DeveloperTakuto NakamuraJIRO UENO

In-app purchases

None

Forethumb

No in-app purchases

None

SP2ALERT

No in-app purchases

Questions

Is Forethumb free?
Forethumb costs $0.99, with no in-app purchases.
Is SP2ALERT free?
SP2ALERT is free to download, with no in-app purchases.
Do Forethumb or SP2ALERT have ads?
Neither Forethumb nor SP2ALERT shows ads.
Which is updated more often, Forethumb or SP2ALERT?
Forethumb ships an update every 2 weeks, and SP2ALERT every 2 days. Most recently, Forethumb was updated on October 4, 2026 and SP2ALERT on October 12, 2026.

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