# 31 vs Cheat Day Tracker

The clearest difference is iOS requirement: 31 at 11.0 against Cheat Day Tracker's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 31 | Cheat Day Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (13 ratings)](https://appshunter.io/ios/app/31-day-challenge/id1563818382/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | — |
| Size | 90 MB | 5 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Children's Hospital of Philadelphia](https://appshunter.io/developer/351401975) | [Vladyslav Ishchuk](https://appshunter.io/developer/1818532343) |

## What reviewers say

### 31

[App page](https://appshunter.io/ios/app/31-day-challenge/id1563818382)

Participate in a month-long fitness challenge to support a children's hospital. Track your physical activity, update your fundraising progress, and send emails directly from your device.

**Highlights:** 31-Day fitness challenge participation, Apple Health Kit integration, Fundraising page updates, Email communication, Progress tracking to goal

**In-app purchases:** none


### Cheat Day Tracker

[App page](https://appshunter.io/ios/app/cheat-day-tracker/id6770069582)

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

**In-app purchases:** none


## Frequently asked questions

### Is 31 free?

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

### Is Cheat Day Tracker free?

Cheat Day Tracker is free to download, with no in-app purchases.

### Do 31 or Cheat Day Tracker have ads?

Neither 31 nor Cheat Day Tracker shows ads.

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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.*