# GlacierGrid vs Terma Smart

The clearest difference is review sentiment: GlacierGrid at 73% against Terma Smart's 0%. GlacierGrid also leads on update cadence (every 3 weeks vs every 3 months). Terma Smart's advantage is iOS requirement (13.0 vs 18.0). 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.

GlacierGrid ships an update every 3 weeks, Terma Smart every 3 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | GlacierGrid | Terma Smart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (459 ratings)](https://appshunter.io/ios/app/glaciergrid/id1491822471/reviews)** | — |
| Number of ratings | **459** | — |
| Positive reviews | **73.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free | Free |
| Size | 27 MB | 38 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [GlacierGrid Inc.](https://appshunter.io/developer/1065304513) | [Terma](https://appshunter.io/developer/1237660152) |

## What reviewers say

### GlacierGrid

[App page](https://appshunter.io/ios/app/glaciergrid/id1491822471)

Monitor refrigeration and HVAC systems to prevent food waste and reduce energy consumption. Receive real-time alerts for temperature issues and make adjustments remotely to ensure compliance and optimize performance.

**Highlights:** Real-time temperature and humidity monitoring, Customizable alert notifications, Temporary HVAC setpoint adjustments, Temperature logbooks for compliance, Equipment performance insights, Team and user management

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

**In-app purchases:** none


### Terma Smart

[App page](https://appshunter.io/ios/app/terma-smart/id1498219351)

Control your smart heating system remotely. Create custom heating zones, set weekly schedules, and optimize energy usage with features like location-based heating and holiday mode.

**Highlights:** Remote Wi-Fi control, Independent heating zones, Weekly scheduling, SMART location mode, Energy consumption statistics, Parental control, Holiday and dryer modes

**In-app purchases:** none


## Frequently asked questions

### Is GlacierGrid free?

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

### Is Terma Smart free?

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

### Do GlacierGrid or Terma Smart have ads?

Neither GlacierGrid nor Terma Smart shows ads.

### Which is updated more often, GlacierGrid or Terma Smart?

GlacierGrid ships an update every 3 weeks, and Terma Smart every 3 months. Most recently, GlacierGrid was updated on October 16, 2026 and Terma Smart on October 10, 2026.

---

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