Seren Sillafu vs Sofrydd Stars
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Seren Sillafu
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Croeso i fyd hudolus ‘Seren Sillafu’, lle byddwch yn defnyddio’ch sgiliau swynol i ddod â geiriau’n fyw! Ymgollwch ym myd cyffrous ‘Seren Sillafu’, lle cewch deithio trwy’r lefelau gwahanol a dysgu am amrywiaeth o wahanol bynciau difyr. A wnewch chi wynebu’r heriau a throi’n seren sillafu? Rhowch gynnig ar “Gyfieithu geiriau”, “Enwi’r llun”, “Ymarferion gwrando”, a llawer mwy! Cadwch gofnod o’ch cynnydd gyda’r sgorfwrdd, a heriwch eich ffrindiau i weld pwy yw’r seren sillafu! Ar ben hyn oll, mae ‘Seren Sillafu’ yn cynnig dwy lefel iaith wahanol – felly os ydych chi eisoes yn giamstar ar y Gymraeg, neu ond ar ddechrau eich taith iaith, gallwch ddewis naill ai Iaith Gyntaf neu Ail Iaith er mwyn creu profiad sy’n addas i chi. Ydych chi’n barod i gychwyn ar daith gyffrous, ac i weld pwy fydd yn ‘Seren Sillafu’? Lawrlwythwch yr ap i ddechrau ar eich antur! Welcome to the magical world of 'Seren Sillafu' where words come to life with your spellbinding skills! Immerse yourself in the captivating universe of 'Seren Sillafu' as you conquer various levels and explore exciting topics. Can you master the challenge and become the ultimate spelling star? Embark on a journey through "Translating words", "Name the picture", "Listening exercises" and more! Keep track of your achievements on the scoreboard and challenge your friends to see who reigns supreme in the realm of spelling! And here's a secret for you: 'Seren Sillafu' offers two language levels - whether you're already a Welsh wiz or just beginning your adventure, we've got first and second language Welsh to suit your journey. Are you ready to embark on your epic 'Seren Sillafu' adventure? Grab your spell book and start your word magic with 'Seren Sillafu'! Download now and let the enchanting wordplay begin!
Sofrydd Stars
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Make wellbeing your priority and download the Sofrydd Stars app! This app was written entirely by the children of Sofrydd Primary School and will help you focus on your wellbeing. Whether it’s exploring nature in your local environment, breathing exercises to help feelings of calm, or yoga poses to help you relax, Sofrydd Stars has it all! Do you love the outdoors? If you enjoy spending time exploring places of interest, this app allows you to explore a variety of scenic places, including some of our famous castles, beautiful lakes and stunning walks. Have a look at the magnificent Minecraft models of our favourite locations around Wales and join the pupil explorers on their journey using Augmented Reality. Use our interactive map to find wellbeing locations right across Wales. Are you a fan of Yoga and need help remembering some of the poses? Take a look at the brilliant digital drawings created by the children at Sofrydd to refresh your memory. Learn about the benefits of Yoga for your wellbeing. Do you sometimes feel anxious? Try our one -minute breathing exercises and feel the calm wash over you as you breathe in and out helping to centre your mind and body. Use our timer to see how far you can walk , or if you’re feeling energetic, how far you can run! Do you enjoy playing games to relax? Have fun with our Dragon Data Cards and challenge your friends and family to a tournament.
Screenshots
Verdict
The clearest difference is update cadence: Sofrydd Stars at every 24 months against Seren Sillafu's every 91 months. Seren Sillafu's advantage is iOS requirement (12.0 vs 17.6). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Seren Sillafu ships an update every 91 months, Sofrydd Stars every 24 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Seren Sillafu | Sofrydd Stars |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 91 months | Every 24 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 64 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Atebol Cyfyngedig | martin jones |
In-app purchases
Seren Sillafu
No in-app purchases
Sofrydd Stars
No in-app purchases








