# Energy Efficiency Suite vs TLV ToolBox

The clearest difference is price: TLV ToolBox at Free against Energy Efficiency Suite's $19.99. TLV ToolBox also leads on iOS requirement (9.3 vs 14.3). On update cadence, ads, in-app purchases and device support there is nothing between them.

TLV ToolBox is free to download; Energy Efficiency Suite costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Energy Efficiency Suite ships an update every 3 months, TLV ToolBox every 4 months. The most recent releases landed on May 16, 2026 and June 6, 2026 respectively.

## The numbers

| Metric | Energy Efficiency Suite | TLV ToolBox |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | — | **[4.5 (8 ratings)](https://appshunter.io/ios/app/tlv-toolbox/id653406777/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | — | Free |
| Size | 4 MB | 4 MB |
| Requires iOS | 14.3 | **9.3** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muralidhar Shenoy](https://appshunter.io/developer/460148822) | [TLV CO.,LTD.](https://appshunter.io/developer/653406780) |

## What reviewers say

### Energy Efficiency Suite

[App page](https://appshunter.io/ios/app/energy-efficiency-suite/id506662296)

**Features:** macOS Compatibility

**In-app purchases:** none


### TLV ToolBox

[App page](https://appshunter.io/ios/app/tlv-toolbox/id653406777)

This utility app transforms your mobile device into a portable steam calculation tool. It assists with onsite calculations for control valve stations, condensate recovery systems, and various maintenance tasks, reducing the need for multiple trips.

**Highlights:** Steam Tables (saturated and superheated), Steam Pipe Sizing, Condensate Pipe Sizing, Heating Calculations, Cv and Kv Values, Stall Point

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Energy Efficiency Suite free?

Energy Efficiency Suite costs $19.99, with no in-app purchases.

### Is TLV ToolBox free?

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

### Do Energy Efficiency Suite or TLV ToolBox have ads?

Neither Energy Efficiency Suite nor TLV ToolBox shows ads.

### Which is updated more often, Energy Efficiency Suite or TLV ToolBox?

Energy Efficiency Suite ships an update every 3 months, and TLV ToolBox every 4 months. Most recently, Energy Efficiency Suite was updated on May 16, 2026 and TLV ToolBox on June 6, 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.*