Comparison

The Lettervan vs UnRiddle

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

Head to head
About

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.

Highlights
  • Phoneme recognition practice
  • Interactive spelling challenges
  • Word-based animations
  • Developed with speech pathologists
  • Engaging game scenarios
Read full description

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.

About

UnRiddle

Features
Read full description

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

The Lettervan4 screens
UnRiddle4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
The Lettervan versus UnRiddle: the parameters behind the verdict, then further details
ParameterThe LettervanUnRiddle
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 4 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size161 MB94 MB
Age rating4+12+
DeveloperRickard PaulssonPenelopa Willmann-Szynalik

In-app purchases

None

The Lettervan

No in-app purchases

3 purchases

UnRiddle

Subscriptions3
  • Premium Access$2.991 Month
  • Premium Yearly (Offer)$14.991 Year
  • Premium Yearly$19.991 Year

Questions

Is The Lettervan free?
The Lettervan is free to download, with no in-app purchases.
Is UnRiddle free?
UnRiddle is free to download, with in-app purchases available.
Do The Lettervan or UnRiddle have ads?
UnRiddle shows ads; The Lettervan does not.
Which is updated more often, The Lettervan or UnRiddle?
The Lettervan ships an update every 4 days, and UnRiddle every 3 days. Most recently, The Lettervan was updated on October 24, 2026 and UnRiddle on October 7, 2026.

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