# Summer smiles vs Gecko

The clearest difference is review sentiment: Summer smiles at 80% against Gecko's 10%. Summer smiles also leads on rating (5.0 vs 2.0) and iOS requirement (12.0 vs 15.6). Gecko's advantage is update cadence (every 3 weeks vs every 17 months) and ratings volume (55 vs 2). 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.

Summer smiles holds the better App Store score, 5.0 against 2.0. That said, the two scores are not equally well evidenced: Gecko has 55 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 10% of Gecko's.

Summer smiles ships an update every 17 months, Gecko every 3 weeks. The most recent releases landed on October 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Summer smiles | Gecko |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/summer-smiles/id627016784/reviews)** | [2.0 (55 ratings)](https://appshunter.io/ios/app/gecko-for-intouch-3-module/id6477545735/reviews) |
| Number of ratings | 2 | **55** |
| Positive reviews | **80.0% of reviews** | 9.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 108 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sani-Marc Inc.](https://appshunter.io/developer/627016787) | [Gecko Alliance](https://appshunter.io/developer/466590306) |

## 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


### Gecko

[App page](https://appshunter.io/ios/app/gecko-for-intouch-3-module/id6477545735)

Control your spa remotely to ensure it's always ready for you. Adjust temperature, lights, and pumps, and receive guidance for water care and energy efficiency. Enjoy a simpler, more intuitive spa experience.

**Highlights:** Remote temperature control, Adjust spa lights, Control spa pumps, Water care guidance, Energy usage monitoring, Set spa routines

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

**In-app purchases:** none


## Frequently asked questions

### Is Summer smiles free?

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

### Is Gecko free?

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

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

Summer smiles is rated higher. Summer smiles averages 5.0 out of 5 from 2 ratings, while Gecko averages 2.0 from 55 ratings.

### Do Summer smiles or Gecko have ads?

Neither Summer smiles nor Gecko shows ads.

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

Summer smiles ships an update every 17 months, and Gecko every 3 weeks. Most recently, Summer smiles was updated on October 3, 2026 and Gecko on October 27, 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.*