# Mio vs Betterfly

The clearest difference is rating: Betterfly at 3.6 against Mio's 1.0. Betterfly also leads on update cadence (fortnightly vs every 8 months) and review sentiment (24% vs 0%). Mio's advantage is iOS requirement (12.4 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Betterfly holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: Betterfly has 14 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Mio's written reviews are positive against 24% of Betterfly's.

Mio ships an update every 8 months, Betterfly fortnightly. The most recent releases landed on October 16, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Mio | Betterfly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/mio-app/id1619914478/reviews) | **[3.6 (14 ratings)](https://appshunter.io/ios/app/betterfly/id6450281976/reviews)** |
| Number of ratings | 2 | **14** |
| Positive reviews | 0.0% of reviews | **23.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 9 MB | 191 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Cloud Campus S.A.](https://appshunter.io/developer/1413261380) | [Burn to Give SpA](https://appshunter.io/developer/1436625422) |

## What reviewers say

### Mio

[App page](https://appshunter.io/ios/app/mio-app/id1619914478)

Manage your gym or sports center effectively and provide users with a secure app for tracking, controlling, and evaluating individual goal achievement.

**Highlights:** Gym management, Sports center management, User goal tracking, Performance evaluation, Secure user app

**Features:** macOS Compatibility

**In-app purchases:** none


### Betterfly

[App page](https://appshunter.io/ios/app/betterfly/id6450281976)

This platform rewards healthy habits like exercise, hydration, and sleep with gift cards, discounts, and insurance benefits. Users can also donate to social causes and participate in challenges to improve their well-being and contribute to a better world.

**Highlights:** Rewards healthy habits, Earn gift cards and discounts, Expand insurance coverage, Donate to social causes, Participate in challenges, Track calories, hydration, sleep, and steps

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

**In-app purchases:** none


## Frequently asked questions

### Is Mio free?

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

### Is Betterfly free?

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

### Which has better reviews, Mio or Betterfly?

Betterfly is rated higher. Mio averages 1.0 out of 5 from 2 ratings, while Betterfly averages 3.6 from 14 ratings.

### Do Mio or Betterfly have ads?

Neither Mio nor Betterfly shows ads.

### Which is updated more often, Mio or Betterfly?

Mio ships an update every 8 months, and Betterfly fortnightly. Most recently, Mio was updated on October 16, 2026 and Betterfly on October 23, 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.*