# ISPA vs 75 Day Challenge

The clearest difference is in-app purchases: ISPA at none against 75 Day Challenge's 25. ISPA also leads on rating (5.0 vs 4.7). 75 Day Challenge's advantage is update cadence (weekly vs every 2 months) and ratings volume (545 vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 75 Day Challenge sells 25 in-app purchases, starting at $2.99 per 7 days. ISPA asks for nothing beyond the download.

ISPA holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: 75 Day Challenge has 545 ratings behind it against 2, so its average is the more settled of the two.

ISPA ships an update every 2 months, 75 Day Challenge weekly. The most recent releases landed on October 9, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ISPA | 75 Day Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ispa/id1185042588/reviews)** | [4.7 (545 ratings)](https://appshunter.io/ios/app/75-day-challenge-hard-and-soft/id6736896365/reviews) |
| Number of ratings | 2 | **545** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 71 MB | 162 MB |
| Requires iOS | **16.0** | 17.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Inventor Corp](https://appshunter.io/developer/495582696) | [Lumos apps](https://appshunter.io/developer/1535604225) |

## What reviewers say

### ISPA

[App page](https://appshunter.io/ios/app/ispa/id1185042588)

This app connects families with a dance studio, offering class registration, live updates, and important notifications. It's designed for dancers of all ages and skill levels, fostering a welcoming community.

**Highlights:** Class search and registration, Live action updates, Notifications for closings and events, Special announcements, Family-friendly environment, All dance genres

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

**In-app purchases:** none


### 75 Day Challenge

[App page](https://appshunter.io/ios/app/75-day-challenge-hard-and-soft/id6736896365)

This app guides users through a challenging personal development program focused on building mental resilience and discipline. It offers customizable challenge modes and a supportive community to help users achieve significant life changes and real results.

**Highlights:** Customizable challenge modes (Hard, Medium, Soft), Daily to-do list and reminders, Motivational content, Community support, Progress tracking, Life-changing challenge blueprint

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

**In-app purchases (25)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Weekly | $3.99 | per 7 days |
| Weekly subscription | $4.99 | per 7 days |
| Quarterly | $4.99 | per 3 months |
| Monthly | $4.99 | per month |
| Weekly subscription | $5.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly | $7.99 | per 7 days |
| Monthly | $7.99 | per month |
| Monthly | $9.99 | per month |
| Monthly | $9.99 | per month |
| Quarterly | $14.99 | per 3 months |
| Monthly Subscription | $19.99 | per month |
| Quarterly subscription | $19.99 | per 3 months |
| Yearly | $19.99 | per year |
| 90 days | $29.99 | per 3 months |
| Yearly | $29.99 | per year |
| Yearly | $29.99 | per year |
| Yearly subscription | $39.99 | per year |
| Quarterly Subscription | $39.99 | per 3 months |
| Yearly | $49.99 | per year |
| Yearly subscription | $69.99 | per year |
| Lifetime | $19.99 | one-time |
| Lifetime offer | $49.99 | one-time |
| Lifetime offer | $69.99 | one-time |


## Frequently asked questions

### Is ISPA free?

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

### Is 75 Day Challenge free?

75 Day Challenge is free to download, with in-app purchases available.

### Which has better reviews, ISPA or 75 Day Challenge?

ISPA is rated higher. ISPA averages 5.0 out of 5 from 2 ratings, while 75 Day Challenge averages 4.7 from 545 ratings.

### Do ISPA or 75 Day Challenge have ads?

Neither ISPA nor 75 Day Challenge shows ads.

### Which is updated more often, ISPA or 75 Day Challenge?

ISPA ships an update every 2 months, and 75 Day Challenge weekly. Most recently, ISPA was updated on October 9, 2026 and 75 Day Challenge on October 20, 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.*