# 100 Day Challenge vs SignifyAI

The clearest difference is iOS requirement: 100 Day Challenge at 11.0 against SignifyAI's 16.6. 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 | 100 Day Challenge | SignifyAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (17 ratings)](https://appshunter.io/ios/app/100-day-challenge/id468777725/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 69.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Freemium | — |
| Size | 16 MB | 31 MB |
| Requires iOS | **11.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Goals Guy, LLC](https://appshunter.io/developer/399815423) | [Coding Minds, Inc.](https://appshunter.io/developer/1480612283) |

## What reviewers say

### 100 Day Challenge

[App page](https://appshunter.io/ios/app/100-day-challenge/id468777725)

This app provides a system, tools, and growth hacking strategies to transform your life and career in 100 days. It offers a master class in exponential growth, focusing on performance sprints and superior execution strategies to bridge the gap between intentions and results.

**Highlights:** System for exponential growth, Tools and growth hacking strategies, 100-day transformation program, Performance sprint framework, Daily accountability, Superior execution strategies

**Features:** macOS Compatibility

**In-app purchases:** none


### SignifyAI

[App page](https://appshunter.io/ios/app/signifyai/id6739521942)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 100 Day Challenge free?

100 Day Challenge is free to download, with no in-app purchases.

### Is SignifyAI free?

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

### Do 100 Day Challenge or SignifyAI have ads?

Neither 100 Day Challenge nor SignifyAI 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.*