Simplex Spelling HD vs Cardiff Castle BSL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Simplex Spelling HD
This app enhances English spelling and reading skills using a unique "reverse phonics" approach and contextually relevant spelling rules. It acts as a personal spelling coach, teaching foundational Dolch sight words through interactive word building and immediate feedback.
- Teaches Dolch Sight words
- Reverse phonics approach
- Contextual spelling rules
- Interactive word building
- Phonics hint feature
- Letter-by-letter feedback
- Multiple user accounts
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Simplex Spelling improves English spelling and reading skills in a fun and interactive way by combining a unique “reverse phonics” approach with contextually relevant spelling rules that explain why words are spelled in a particular manner. It works like a personal spelling coach with every word. Simplex Spelling HD teaches the Dolch sight words to establish a base foundation in spelling and reading fluency. Please check out the word lists on our website before purchasing to ensure they meet your learning requirements https://pyxwise.com/sight-words-description/#Word-Lists Rather than using flash cards, Simplex Spelling enables the student to build each word. Students gain skills above and beyond the sheer memorization of words. Simplex Spelling is great tool to have for kids learning to spell and read, remedial students, or those learning English as a second language. Recommended for ages 5+. Note: You can not create your own spelling lists in Simplex Spelling HD. Features: - All of the more than 300 Dolch Sight words to help build literacy. - Words are spoken and used in a sentence to establish context. - Introduction seamlessly leads a student through the application’s features by providing spoken information while having the student spell new words. - Powerful phonics hint feature sounds out each word and provides a list of possible phonograms for each sound. - A full “reverse phonics” approach that includes sounds made by all the different letter combinations. - Contextually relevant spelling rule hints that help explain “how to spell” English words. - Unique letter by letter feedback system that provides immediate feedback. - Guaranteed success on every word. - Support for multiple user accounts. - User stats screen that allows you to see words that have been mastered and words that require further practice. - Export & email student progress reports. - Remembers each user’s position and progress. - Supports both upper and lower case letters. - Supports both alphabetic and QWERTY keyboard layouts. - Supports US, UK and Canadian English spelling. - An approach that appeals to audio, visual and tactile learners. Privacy Disclosure: - No 3rd party ads - Does not share any data - No In-App purchases - Contains child protected links in app to developer's website for additional information, support and teaching tips. - Contains child protected link to developer email support. COPPA Compliant https://pyxwise.com/privacy-policy/
Cardiff Castle BSL
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This British Sign Language tour has been designed to enjoy Cardiff Castle at your own pace. Cardiff Castle is one of Wales' leading heritage attractions and a site of international significance. During 2000 years of history, the Castle has been a Roman Garrison, a Norman stronghold and in Victorian times was transformed into a gothic fairy tale fantasy. Use this guide before during or even after your visit to Cardiff Castle.
Screenshots
Verdict
The clearest difference is price: Cardiff Castle BSL at Free against Simplex Spelling HD's $4.99. Cardiff Castle BSL also leads on iOS requirement (11 vs 15.0). Simplex Spelling HD's advantage is update cadence (every 3 months vs every 26 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
Cardiff Castle BSL is free to download; Simplex Spelling HD costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Simplex Spelling HD ships an update every 3 months, Cardiff Castle BSL every 26 months. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.
| Parameter | Simplex Spelling HD | Cardiff Castle BSL |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 3.2 (5 ratings) — better | — |
| Positive reviews | 90.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 3 months — better | Every 26 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11 — better |
| Further details — not scored | ||
| Size | 134 MB | 77 MB |
| Age rating | 4+ | 4+ |
| Developer | Pyxwise Software Inc. | Cyngor Caerdydd Cardiff Council |
In-app purchases
Simplex Spelling HD
No in-app purchases
Cardiff Castle BSL
No in-app purchases
Questions
Is Simplex Spelling HD free?
Is Cardiff Castle BSL free?
Do Simplex Spelling HD or Cardiff Castle BSL have ads?
Which is updated more often, Simplex Spelling HD or Cardiff Castle BSL?
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