# Sum Fun vs Erudition Lite

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.

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.

## The numbers

| Metric | Sum Fun | Erudition Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (33 ratings)](https://appshunter.io/ios/app/sum-fun/id817544892/reviews)** | [4.4 (5 ratings)](https://appshunter.io/ios/app/erudition-lite/id6452119685/reviews) |
| Number of ratings | **33** | 5 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | **Ad-supported** | Paid |
| Size | 195 MB | 2 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Greg Sharpe](https://appshunter.io/developer/817544895) | [Michael Hungate](https://appshunter.io/developer/1624423811) |

## What reviewers say

### Sum Fun

[App page](https://appshunter.io/ios/app/sum-fun/id817544892)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Erudition Lite

[App page](https://appshunter.io/ios/app/erudition-lite/id6452119685)

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.

**Highlights:** Daily word guessing game, Daily number guessing game, Offline play supported, Share wins with friends, Tracks game statistics, Allows late completion of missed days

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Sum Fun free?

Sum Fun is free to download, with no in-app purchases.

### Is Erudition Lite free?

Erudition Lite is free to download, with no in-app purchases.

### Which has better reviews, Sum Fun or Erudition Lite?

Sum Fun is rated higher. Sum Fun averages 4.9 out of 5 from 33 ratings, while Erudition Lite averages 4.4 from 5 ratings.

### Do Sum Fun or Erudition Lite have ads?

Sum Fun shows ads; Erudition Lite does not.

### Which is updated more often, Sum Fun or Erudition Lite?

Sum Fun ships an update weekly, and Erudition Lite every 9 days. Most recently, Sum Fun was updated on September 18, 2026 and Erudition Lite on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*