# Gridphase vs AccuHeat

The clearest difference is update cadence: AccuHeat at every 3 weeks against Gridphase's every 3 months. Gridphase's advantage is iOS requirement (12.0 vs 15.5). 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.

Gridphase ships an update every 3 months, AccuHeat every 3 weeks. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Gridphase | AccuHeat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 57 MB | 251 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GRID INSTRUMENTS d.o.o.](https://appshunter.io/developer/1711794018) | [Hangzhou Accumems Technology Co., Ltd.](https://appshunter.io/developer/1886640889) |

## What reviewers say

### Gridphase

[App page](https://appshunter.io/ios/app/gridphase/id6469338974)

**In-app purchases:** none


### AccuHeat

[App page](https://appshunter.io/ios/app/accuheat/id6760890264)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gridphase free?

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

### Is AccuHeat free?

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

### Do Gridphase or AccuHeat have ads?

Neither Gridphase nor AccuHeat shows ads.

### Which is updated more often, Gridphase or AccuHeat?

Gridphase ships an update every 3 months, and AccuHeat every 3 weeks. Most recently, Gridphase was updated on October 27, 2026 and AccuHeat on October 31, 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.*