Seren Sillafu vs Spelio
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!
Spelio
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Spelio helps Welsh learners build spelling confidence through short, focused practice. Learn Welsh spelling patterns, hear Welsh words, build recall and type the correct spelling. Immediate feedback helps reinforce spelling patterns and improve recall over time. Designed for adult learners and older students, Spelio combines Welsh spelling patterns with listening and active recall in a calm, distraction-free learning experience. Features • Learn Welsh spelling patterns • Hear → recall → spell learning approach • Immediate letter-by-letter feedback • Review difficult words automatically • Support for North and South Wales pronunciation • Short, focused practice sessions • Clean, distraction-free design Spelio is not intended to replace a complete Welsh course. It is a practical tool designed to build spelling confidence through listening, recall and repetition. Cymraeg Mae Spelio yn helpu dysgwyr Cymraeg i feithrin hyder wrth sillafu drwy wersi byr, ymarfer gwrando ac adalw gweithredol. Dysgwch batrymau sillafu Cymraeg, gwrandewch ar eiriau Cymraeg, cofiwch y sillafu ac yna teipiwch yr ateb. Mae adborth ar unwaith yn helpu i atgyfnerthu patrymau sillafu a meithrin hyder dros amser. Nid yw Spelio wedi'i fwriadu i gymryd lle cwrs Cymraeg cyflawn. Mae'n offeryn ymarferol sydd wedi'i gynllunio i helpu dysgwyr i feithrin hyder wrth sillafu drwy wrando, cofio ac ymarfer.
Screenshots
Verdict
The clearest difference is update cadence: Spelio at fortnightly against Seren Sillafu's every 91 months. Seren Sillafu's advantage is iOS requirement (12.0 vs 15.0). 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, Spelio fortnightly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | Seren Sillafu | Spelio |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 91 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 64 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Atebol Cyfyngedig | Samuel Gerrard |
In-app purchases
Seren Sillafu
No in-app purchases
Spelio
No in-app purchases









