# Airtemp Contractor Tools vs KeepKnow

Airtemp Contractor Tools and KeepKnow are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Airtemp Contractor Tools ships an update every 2 months, KeepKnow every 3 months. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Airtemp Contractor Tools | KeepKnow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (6 ratings)](https://appshunter.io/ios/app/airtemp-contractor-tools/id1594702031/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 27 MB | 48 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Advantech Consulting Group, Inc.](https://appshunter.io/developer/1594702033) | [KeepKnow New Energy Limited](https://appshunter.io/developer/1893814746) |

## What reviewers say

### Airtemp Contractor Tools

[App page](https://appshunter.io/ios/app/airtemp-contractor-tools/id1594702031)

This app provides contractors with essential field tools, including a system builder and warranty information. Access technical support conveniently within the application.

**Highlights:** Custom system builder, Warranty information access, Technical support contact, Field tools for contractors

**In-app purchases:** none


### KeepKnow

[App page](https://appshunter.io/ios/app/keepknow/id6762320766)

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

**In-app purchases:** none


## Frequently asked questions

### Is Airtemp Contractor Tools free?

Airtemp Contractor Tools is free to download, with no in-app purchases.

### Is KeepKnow free?

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

### Do Airtemp Contractor Tools or KeepKnow have ads?

Neither Airtemp Contractor Tools nor KeepKnow shows ads.

### Which is updated more often, Airtemp Contractor Tools or KeepKnow?

Airtemp Contractor Tools ships an update every 2 months, and KeepKnow every 3 months. Most recently, Airtemp Contractor Tools was updated on October 3, 2026 and KeepKnow on October 15, 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.*