# 63 vs PercentL

The clearest difference is in-app purchases: PercentL at none against 63's 1. PercentL also leads on ads (none vs shown) and iOS requirement (13.4 vs 15.1). 63's advantage is rating (5.0 vs 4.6). On price, review sentiment, ratings volume and update cadence there is nothing between them.

Both are free to download. 63 sells 1 one-off in-app purchase. PercentL asks for nothing beyond the download.

63 holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 63 | PercentL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/63-solve63com/id1512891713/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/percentl/id6476887515/reviews) |
| Number of ratings | 8 | **9** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 34 MB | 18 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lalo Mrtnz](https://appshunter.io/developer/1512891712) | [Daniel Tarantini](https://appshunter.io/developer/1714160398) |

## What reviewers say

### 63

[App page](https://appshunter.io/ios/app/63-solve63com/id1512891713)

Compete in real-time puzzle races against players globally. Be the first to solve a series of challenges to win. Only a limited number of events are ever available.

**Highlights:** Real-time global events, Competitive puzzle solving, Race against other players, Limited number of unique events, Solve puzzles quickly

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Faster Hint Reveal | $0.99 | one-time |


### PercentL

[App page](https://appshunter.io/ios/app/percentl/id6476887515)

Guess the probability of daily events by adjusting a circular slider. Learn new statistics and challenge friends to see who can make the most accurate predictions. It's a fun way to engage with data and improve your statistical intuition.

**Highlights:** Daily probability guessing game, Circular slider interface, Learn new statistics daily, Share scores with friends, Challenge friends' guesses

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 63 free?

63 is free to download, with in-app purchases available.

### Is PercentL free?

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

### Which has better reviews, 63 or PercentL?

63 is rated higher. 63 averages 5.0 out of 5 from 8 ratings, while PercentL averages 4.6 from 9 ratings.

### Do 63 or PercentL have ads?

63 shows ads; PercentL does not.

### Which is updated more often, 63 or PercentL?

63 ships an update fortnightly, and PercentL fortnightly. Most recently, 63 was updated on October 1, 2026 and PercentL on October 6, 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.*