# Tremol Assistant Mobile vs YellowGrid

The clearest difference is update cadence: YellowGrid at fortnightly against Tremol Assistant Mobile's every 8 months. YellowGrid also leads on iOS requirement (16.4 vs 18.6). 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.

Tremol Assistant Mobile ships an update every 8 months, YellowGrid fortnightly. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Tremol Assistant Mobile | YellowGrid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/yellowgrid/id6747118921/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 71 MB | 98 MB |
| Requires iOS | 18.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Galin Dimitrov](https://appshunter.io/developer/1576691033) | [YellowGrid](https://appshunter.io/developer/1896555484) |

## What reviewers say

### Tremol Assistant Mobile

[App page](https://appshunter.io/ios/app/tremol-assistant-mobile/id1576691031)

**Features:** macOS Compatibility

**In-app purchases:** none


### YellowGrid

[App page](https://appshunter.io/ios/app/yellowgrid/id6747118921)

Monitor your solar energy production and consumption in real-time. Track your earnings from selling surplus energy to the grid and manage battery capacity. Connect your solar system to a network for trading and receive monthly proceeds.

**Highlights:** Real-time energy production monitoring, Energy consumption tracking, Surplus energy to grid tracking, Earnings and payment tracking, Battery capacity management, Connect solar systems for trading

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tremol Assistant Mobile free?

Tremol Assistant Mobile is free to download, with no in-app purchases.

### Is YellowGrid free?

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

### Do Tremol Assistant Mobile or YellowGrid have ads?

Neither Tremol Assistant Mobile nor YellowGrid shows ads.

### Which is updated more often, Tremol Assistant Mobile or YellowGrid?

Tremol Assistant Mobile ships an update every 8 months, and YellowGrid fortnightly. Most recently, Tremol Assistant Mobile was updated on November 7, 2026 and YellowGrid on November 5, 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.*