# Micro Mobility vs 90 Day Challenge

The clearest difference is review sentiment: 90 Day Challenge at 64% against Micro Mobility's 14%. 90 Day Challenge also leads on rating (4.7 vs 2.3) and ratings volume (4.9K vs 3). Micro Mobility's advantage is in-app purchases (none vs 37) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 90 Day Challenge sells 37 in-app purchases, starting at $2.99 per 7 days. Micro Mobility asks for nothing beyond the download.

90 Day Challenge holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: 90 Day Challenge has 4.9K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 14% of Micro Mobility's written reviews are positive against 64% of 90 Day Challenge's.

Micro Mobility ships an update fortnightly, 90 Day Challenge every 5 days. The most recent releases landed on October 15, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Micro Mobility | 90 Day Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/micro-mobility/id1500020502/reviews) | **[4.7 (4.9K ratings)](https://appshunter.io/ios/app/90-day-challenge/id6446773000/reviews)** |
| Number of ratings | 3 | **4.9K** |
| Positive reviews | 14.3% of reviews | **64.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 52 MB | 246 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Micro Mobility Systems AG](https://appshunter.io/developer/1461740270) | [Browney B.V.](https://appshunter.io/developer/1678973034) |

## What reviewers say

### Micro Mobility

[App page](https://appshunter.io/ios/app/micro-mobility/id1500020502)

Control your e-scooter with this app, offering four riding modes and real-time stats like speed and battery. Features integrated navigation and theft protection with a password lock. It's completely free with no ads or subscriptions.

**Highlights:** Bluetooth connectivity, Four riding modes, Speed and battery monitoring, Integrated navigation, Theft protection (password lock), Front light activation

**Features:** macOS Compatibility

**In-app purchases:** none


### 90 Day Challenge

[App page](https://appshunter.io/ios/app/90-day-challenge/id6446773000)

This app provides personalized 90-day fitness programs tailored to your goals, fitness level, and preferred training style. Track your progress with detailed metrics, view body changes, and stay motivated with streaks and badges. You can also challenge friends to join your fitness journey.

**Highlights:** Personalized 90-day workout programs, In-app progress tracking (weight, reps, PRs), Monthly strength tests, Progress picture tool, Daily streaks and achievement badges, Challenge others feature, Diet calculator

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

**In-app purchases (37)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WEEKLY | $2.99 | per 7 days |
| Weekly | $5.00 | per 7 days |
| Weekly | $5.00 | per 7 days |
| WEEKLY | $8.99 | per 7 days |
| MONTHLY | $9.99 | per month |
| Monthly | $15.00 | per month |
| Monthly | $15.00 | per month |
| MONTHLY | $21.99 | per month |
| 90 DAYS | $27.99 | per 3 months |
| 90 DAYS | $39.00 | per 3 months |
| 90 DAYS | $39.00 | per 3 months |
| YEARLY | $39.00 | per year |
| 90 DAYS | $41.49 | per 3 months |
| 90 DAYS | $44.00 | per 3 months |
| 90 DAYS | $49.00 | per 3 months |
| Yearly | $59.00 | per year |
| YEARLY | $89.00 | per year |
| YEARLY | $99.00 | per year |
| YEARLY | $99.99 | per year |
| Yearly | $119.00 | per year |
| 30-Day Challenge | $29.00 | one-time |
| 90 Day Shred Pass - 2026 | $49.00 | one-time |
| Strength & Size at Home | $69.00 | one-time |
| JC’s Fat Loss Program | $69.00 | one-time |
| The Bodybuilder Shred | $69.00 | one-time |
| Lean & Strong at Home | $69.00 | one-time |
| The Hybrid Shred | $69.00 | one-time |
| The Ultimate Shred Program | $69.00 | one-time |
| Hybrid Strength & Size | $69.00 | one-time |
| The Hybrid Bulk | $69.00 | one-time |
| Lean Hybrid Strength | $69.00 | one-time |
| The Home Shred Program | $69.00 | one-time |
| Strength & Muscle Bulk | $69.00 | one-time |
| Strength & Muscle Shred | $69.00 | one-time |
| Fat Free Runner Program | $69.00 | one-time |
| The Powerbuilder Plan | $69.00 | one-time |
| Hybrid Strength & Muscle | $69.00 | one-time |

**What reviewers like**

- 🚀 Smooth app experience
- 👍 Helpful workout and nutrition features
- 💪 Effective for building muscle and losing weight
- 🤩 Motivating content from Browney and Captain America

**What reviewers complain about**

- 🐛 Frequent app crashes and freezes
- ⏱️ Slow loading times for videos and content
- 🔍 Difficulty navigating the app and finding features
- 🤔 Limited customization options for workouts

**Reported bugs**

- Black screen issue after login
- Inability to complete workouts or log progress
- Inconsistent app performance across devices
- Syncing issues between app and user accounts

**Requested features**

- More home workout options without equipment
- Ability to adjust workout schedules and rest days
- Improved video quality and playback stability
- Better integration with fitness trackers and smartwatches


## Frequently asked questions

### Is Micro Mobility free?

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

### Is 90 Day Challenge free?

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

### Which has better reviews, Micro Mobility or 90 Day Challenge?

90 Day Challenge is rated higher. Micro Mobility averages 2.3 out of 5 from 3 ratings, while 90 Day Challenge averages 4.7 from 4.9K ratings.

### Do Micro Mobility or 90 Day Challenge have ads?

90 Day Challenge shows ads; Micro Mobility does not.

### Which is updated more often, Micro Mobility or 90 Day Challenge?

Micro Mobility ships an update fortnightly, and 90 Day Challenge every 5 days. Most recently, Micro Mobility was updated on October 15, 2026 and 90 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.*