# Summer smiles vs Hilo

The clearest difference is review sentiment: Summer smiles at 80% against Hilo's 40%. Summer smiles also leads on rating (5.0 vs 4.5) and iOS requirement (12.0 vs 16.4). Hilo's advantage is update cadence (every 3 weeks vs every 17 months) and ratings volume (6 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 4.5. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 80% of Summer smiles's written reviews are positive against 40% of Hilo's.

Summer smiles ships an update every 17 months, Hilo every 3 weeks. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Summer smiles | Hilo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/summer-smiles/id627016784/reviews)** | [4.5 (6 ratings)](https://appshunter.io/ios/app/hilo/id1492459138/reviews) |
| Number of ratings | 2 | **6** |
| Positive reviews | **80.0% of reviews** | 39.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 6 MB | 49 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sani-Marc Inc.](https://appshunter.io/developer/627016787) | [Hilo Énergie](https://appshunter.io/developer/1484503272) |

## 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


### Hilo

[App page](https://appshunter.io/ios/app/hilo/id1492459138)

Control your entire smart home from a single application. Manage connected devices remotely, create custom scenes for different moods, and program devices to save time and energy. Participate in challenges to earn cash rewards by reducing energy consumption.

**Highlights:** Remote device management, Custom scene creation, Device scheduling, Energy consumption tracking, Energy saving challenges, Cash rewards for energy reduction

**Features:** 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 Hilo free?

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

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

Summer smiles is rated higher. Summer smiles averages 5.0 out of 5 from 2 ratings, while Hilo averages 4.5 from 6 ratings.

### Do Summer smiles or Hilo have ads?

Neither Summer smiles nor Hilo shows ads.

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

Summer smiles ships an update every 17 months, and Hilo every 3 weeks. Most recently, Summer smiles was updated on October 3, 2026 and Hilo on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*