# Rinnai Central vs Foreglance

The clearest difference is in-app purchases: Rinnai Central at none against Foreglance's 1. Rinnai Central also leads on device support (3 vs 1) and iOS requirement (15.4.1 vs 17.0). Foreglance's advantage is update cadence (every 3 days vs monthly). On price and ads there is nothing between them.

Both are free to download. Foreglance sells 1 one-off in-app purchase. Rinnai Central asks for nothing beyond the download.

Rinnai Central ships an update monthly, Foreglance every 3 days. The most recent releases landed on October 14, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Rinnai Central | Foreglance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (341 ratings)](https://appshunter.io/ios/app/rinnai-central/id6444321202/reviews)** | — |
| Number of ratings | **341** | — |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | — |
| Size | 79 MB | 2 MB |
| Requires iOS | **15.4.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Rinnai America Corp](https://appshunter.io/developer/1045235922) | [Shama Software LLC](https://appshunter.io/developer/6795355392) |

## What reviewers say

### Rinnai Central

[App page](https://appshunter.io/ios/app/rinnai-central/id6444321202)

This app connects Rinnai tankless water heater owners to their devices for temperature control and scheduling. Professional installers can use it to register appliances, perform service, access documentation, and order parts.

**Highlights:** Adjust water temperature, Schedule hot water, Activate recirculation, Register appliances, Perform remote service, Access documentation, Order replacement parts

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works great
- 🚀 Much improved
- 🚀 Fantastic
- 🚀 Working perfectly now

**What reviewers complain about**

- 🐛 Doesn't work at all
- 🐛 Bug in 4.3.0
- 🐛 Awful. Just terrible
- 🐛 Lousy App
- 🐛 Rinnai does not care

**Reported bugs**

- Control failed is still happening in latest version
- Login screen freezes
- Incompatible with older devices

**Requested features**

- Add device through Bluetooth missing
- Dark mode option
- Advanced analytics dashboard


### Foreglance

[App page](https://appshunter.io/ios/app/foreglance-qr-code-reader/id6800026010)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Foreglance Pro | $2.99 | one-time |


## Frequently asked questions

### Is Rinnai Central free?

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

### Is Foreglance free?

Foreglance is free to download, with in-app purchases available.

### Do Rinnai Central or Foreglance have ads?

Neither Rinnai Central nor Foreglance shows ads.

### Which is updated more often, Rinnai Central or Foreglance?

Rinnai Central ships an update monthly, and Foreglance every 3 days. Most recently, Rinnai Central was updated on October 14, 2026 and Foreglance on October 1, 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.*