The Lettervan vs UnRiddle
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
The Lettervan
This educational game helps children develop phonemic awareness and spelling skills through interactive word challenges. Players navigate engaging scenarios while learning to identify and manipulate sounds within words, fostering reading and pronunciation proficiency.
- Phoneme recognition practice
- Interactive spelling challenges
- Word-based animations
- Developed with speech pathologists
- Engaging game scenarios
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Listen to phonemes and practice reading and spelling! Navigate past thorny vines, hangry monsters, and dark clouds - with unique animations for each word spelled. The app, developed in collaboration with speech and language pathologists, is designed to assist children in recognizing that words are composed of phonemes. This ability to identify phonemes within words is closely associated with proficiency in pronunciation, reading and spelling.
UnRiddle
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UnRiddle is a collection of elegant word‑and‑logic games built around timeless quotations. Solve bite‑size challenges that sharpen your deduction, reveal inspiring lines, and make language feel playful again. TWO WAYS TO UNRIDDLE • Quote Breaker — A classic substitution‑cipher puzzle. Swap letters, spot patterns, and map each cipher letter to the right one to reveal the quote. Helpful tools keep you moving: clear a letter, swap candidates, zoom the text, and use gentle hints when you’re stuck. • Quote Falls — A satisfying “word drop” puzzle. Let words fall into place, reasoning through the grid until the entire quotation reads cleanly from left to right. ALWAYS SOMETHING NEW • Daily puzzles you can enjoy in minutes. • A browsable Archive to revisit favorites and discover past challenges. • Difficulty options from easy warm‑ups to very hard brain‑teasers. PROGRESS & COMPETITION • Leaderboards for friendly rivalry and bragging rights. • Challenge friends to beat your time or score. • Celebrate wins by sharing the quote you just revealed. DESIGNED FOR COMFORT • Clean, focused design with Dark Mode. • Adjustable text size for relaxed reading. • Thoughtful feedback that keeps the flow. WHY YOU’LL LOVE UNRIDDLE • Quick, satisfying sessions that fit your day. • Real quotations selected for clarity and interest. • Puzzles that reward pattern recognition, vocabulary, and logic rather than trivia. Whether you have two minutes in line or twenty on the couch, UnRiddle turns great quotes into great games—one satisfying “aha!” at a time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: The Lettervan at none against UnRiddle's 3. The Lettervan also leads on ads (none vs shown). On price, update cadence, 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
Both are free to download. UnRiddle sells 3 in-app purchases, starting at $2.99 per month. The Lettervan asks for nothing beyond the download.
The Lettervan ships an update every 4 days, UnRiddle every 3 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.
| Parameter | The Lettervan | UnRiddle |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 4 days | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 161 MB | 94 MB |
| Age rating | 4+ | 12+ |
| Developer | Rickard Paulsson | Penelopa Willmann-Szynalik |
In-app purchases
The Lettervan
No in-app purchases
UnRiddle
- Premium Access$2.991 Month
- Premium Yearly (Offer)$14.991 Year
- Premium Yearly$19.991 Year









