Sum Fun vs Erudition Lite
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Sum Fun
A unique number puzzle game that combines logic, numbers, and strategy. Enjoy endlessly replayable puzzles with creative board shapes and a brain-boosting gameplay experience. Play at your own pace with no time limits and challenge friends.
- Unique number puzzle gameplay
- Variety of creative board shapes
- Brain-boosting mental workout
- No time limits for relaxed play
- Challenge friends offline
- Easy to play, fun to master
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Sum Fun – The Number Puzzle Game for Sharp Minds Place numbers, match sums, blast the board! Sum Fun is the unique number puzzle that's been loved by players worldwide since 2015. How To Play (3 simple rules): 1. Place a number into any empty slot 2. If it matches the last digit of the sum of its neighbours, they get blasted away! 3. No matches? Place a number that sets up a future sum, and keep blasting until the board is empty! Why you'll love Sum Fun: • Easy to play, fun to master – just 3 simple rules, with surprising depth and strategy • 20+ creative board shapes – play on a Hexagon, Pyramid, Star, Heart, Turtle, Rocket, Butterfly, Snowflake, and many more, with new shapes added regularly! • Seasonal Postcard Challenges – play limited-time events and collect unique downloadable artwork (by real artists!) • No time limits – play at your own pace and relax while keeping your mind sharp • Challenge friends (and yourself!) – share puzzles via QR code, text code, or pass-and-play. No internet needed! • No annoying pop-up ads – your concentration stays on the puzzle, where it belongs! We play Sum Fun too, and keep the experience friendly. • Brain-boosting gameplay – after a few games, you'll be adding up numbers faster than you can say, 'What's six plus eight?' • Multiple themes – choose from Light, Dark, and Midnight to suit your style If you enjoy Sudoku, Kakuro, or other number-based brain games, you'll love the unique twist of Sum Fun. Exercise your mind, master the numbers, and discover why players keep coming back – download free today!
Erudition Lite
This daily brain-training app offers two distinct word and number guessing games. It provides offline access to past puzzles and allows sharing of achievements with friends. Designed for all ages, it helps users exercise their minds.
- Daily word guessing game
- Daily number guessing game
- Offline play supported
- Share wins with friends
- Tracks game statistics
- Allows late completion of missed days
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A Word Game, and Number Game…Erudition! With NO ads while playing. The Word Game generates a new 4 letter mystery word each day for you to guess. The Number Game generates 4 digit mystery number each day for you to guess. Exercise your brain and share with your friends! Fun for all ages! When app is first loaded you will have access to the Word and Number games from the previous two weeks. Erudition Key Features: 2 different games each day No internet or data required Allows for sharing wins with friends and on social media Tracks statistics for each game type Allows late completion of missed days – Never lose your streak Touch screen key board - Enter letters in any order
Screenshots
Verdict
The clearest difference is rating: Sum Fun at 4.9 against Erudition Lite's 4.4. Sum Fun also leads on monetization model (ad-supported vs paid) and ratings volume (33 vs 5). Erudition Lite's advantage is ads (none vs shown). On price, review sentiment, update cadence and in-app purchases 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.
Sum Fun holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Sum Fun has 33 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
Sum Fun ships an update weekly, Erudition Lite every 9 days. The most recent releases landed on September 18, 2026 and September 19, 2026 respectively.
| Parameter | Sum Fun | Erudition Lite |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (33 ratings) — better | 4.4 (5 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 33 — better | 5 |
| Update frequency | Weekly — better | Every 9 days |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 195 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Greg Sharpe | Michael Hungate |
Customer experience
Sum Fun
Erudition Lite
In-app purchases
Sum Fun
No in-app purchases
Erudition Lite
No in-app purchases
