# Summer smiles vs LEO

The clearest difference is rating: Summer smiles at 5.0 against LEO's 3.6. Summer smiles also leads on review sentiment (80% vs 40%) and monetization model (free vs ad-supported). LEO's advantage is update cadence (every 2 months vs every 17 months) and ratings volume (67 vs 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.

Summer smiles holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: LEO has 67 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of Summer smiles's written reviews are positive against 40% of LEO's.

Summer smiles ships an update every 17 months, LEO every 2 months. The most recent releases landed on October 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Summer smiles | LEO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/summer-smiles/id627016784/reviews)** | [3.6 (67 ratings)](https://appshunter.io/ios/app/leo/id1447255526/reviews) |
| Number of ratings | 2 | **67** |
| Positive reviews | **80.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 2 months** |
| Monetization | **Free** | Ad-supported |
| Size | 6 MB | 141 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sani-Marc Inc.](https://appshunter.io/developer/627016787) | [Léger Marketing inc.](https://appshunter.io/developer/1111321043) |

## What reviewers say

### Summer smiles

[App page](https://appshunter.io/ios/app/summer-smiles/id627016784)

Easily maintain balanced pool or spa water with instant product recommendations. Input your water analysis results to receive precise guidance on the exact amount of chemicals needed for optimal water quality. Create profiles for multiple pools or spas and manage your water care efficiently.

**Highlights:** Water analysis input, Instant product recommendations, Chemical dosage calculation, Pool and spa profiles, Product purchasing list

**Features:** macOS Compatibility

**In-app purchases:** none


### LEO

[App page](https://appshunter.io/ios/app/leo/id1447255526)

Share your opinions and participate in rewarded surveys and studies directly from your mobile device. Join a community where your voice is valued and earn rewards for your participation.

**Highlights:** Participate in rewarded surveys, Complete studies on mobile, Share your opinion, Join a community, Earn rewards

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use app
- 💰 Good way to earn rewards
- 🤑 Legit rewards and payouts
- 🎁 Variety of gift card options

**What reviewers complain about**

- 🐛 Frequent survey disqualifications
- ⏱️ Surveys take longer than estimated
- 🔍 Lack of available surveys
- 🕰️ Slow customer support response
- 🚫 Accounts deactivated without reason

**Reported bugs**

- App freezing or crashing
- Incorrect VPN detection
- Survey pages not loading properly

**Requested features**

- More survey opportunities
- Faster payout processing
- Improved customer support
- Compatibility with VPNs
- Landscape mode for tablets


## Frequently asked questions

### Is Summer smiles free?

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

### Is LEO free?

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

### Which has better reviews, Summer smiles or LEO?

Summer smiles is rated higher. Summer smiles averages 5.0 out of 5 from 2 ratings, while LEO averages 3.6 from 67 ratings.

### Do Summer smiles or LEO have ads?

Neither Summer smiles nor LEO shows ads.

### Which is updated more often, Summer smiles or LEO?

Summer smiles ships an update every 17 months, and LEO every 2 months. Most recently, Summer smiles was updated on October 3, 2026 and LEO on October 25, 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.*