# Let Me Guess! vs Perfect Sum

The clearest difference is in-app purchases: Perfect Sum at none against Let Me Guess!'s 1. Perfect Sum also leads on update cadence (every 3 days vs every 2 weeks). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Let Me Guess! sells 1 one-off in-app purchase. Perfect Sum asks for nothing beyond the download.

Let Me Guess! ships an update every 2 weeks, Perfect Sum every 3 days. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Let Me Guess! | Perfect Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/perfect-sum/id6477300117/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 4 MB | 139 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sujith Sreedhar](https://appshunter.io/developer/1582638556) | [Benjamin Richy](https://appshunter.io/developer/1636888789) |

## What reviewers say

### Let Me Guess!

[App page](https://appshunter.io/ios/app/let-me-guess/id1610072417)

A puzzle game where players have six attempts to guess a number, word, or mathematical calculation. Colored tiles provide feedback on guess accuracy, and players can challenge friends to beat their scores.

**Highlights:** Guess numbers, words, or calculations, Six attempts per puzzle, Colored tile feedback system, Challenge friends, Puzzle game format

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Pack | $0.99 | one-time |


### Perfect Sum

[App page](https://appshunter.io/ios/app/perfect-sum/id6477300117)

A captivating puzzle game where you strategically place shapes on a numbered board to reach a perfect sum. Unlock new buildings and enjoy stunning visuals and rewarding animations as you progress through increasingly challenging levels.

**Highlights:** Strategic shape placement, Numbered board puzzles, Unlockable buildings, Increasing difficulty levels, Rewarding animations, Stunning visuals

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Let Me Guess! free?

Let Me Guess! is free to download, with in-app purchases available.

### Is Perfect Sum free?

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

### Do Let Me Guess! or Perfect Sum have ads?

Both Let Me Guess! and Perfect Sum show ads.

### Which is updated more often, Let Me Guess! or Perfect Sum?

Let Me Guess! ships an update every 2 weeks, and Perfect Sum every 3 days. Most recently, Let Me Guess! was updated on October 24, 2026 and Perfect Sum on October 11, 2026.

---

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