# Togg vs Ductulator

The clearest difference is price: Togg at Free against Ductulator's $3.99. Togg also leads on rating (5.0 vs 4.7) and iOS requirement (8.0 vs 18.6). Ductulator's advantage is ratings volume (353 vs 4) and chart position (#74 vs unranked). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Togg is free to download; Ductulator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Togg holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Ductulator has 353 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 50% and 50% positive.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Togg | Ductulator |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/togg/id980670607/reviews)** | [4.7 (353 ratings)](https://appshunter.io/ios/app/ductulator-duct-sizing/id1474939475/reviews) |
| Number of ratings | 4 | **353** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | Free |
| Best chart rank | — | **#74** |
| Size | 33 MB | 1 MB |
| Requires iOS | **8.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Red Cone Development](https://appshunter.io/developer/364787940) | [Wassim Murr](https://appshunter.io/developer/1474939474) |

## What reviewers say

### Togg

[App page](https://appshunter.io/ios/app/togg/id980670607)

This app allows you to track your team's time, even without an internet connection. It helps you capture profits by accurately logging work hours. A Togg account is required to use its features.

**Highlights:** Offline time tracking, Team time management, Profit capture, Requires Togg account

**In-app purchases:** none


### Ductulator

[App page](https://appshunter.io/ios/app/ductulator-duct-sizing/id1474939475)

**Currently charting:** #74 Top Paid · Productivity (US App Store)

Instantly calculate HVAC duct sizes based on airflow, friction rate, or velocity. This tool provides accurate duct dimensions in seconds without needing charts, supporting various duct types and units.

**Highlights:** Instant duct sizing, Friction rate or velocity calculation, Multiple valid duct dimensions, IP and SI units support, Detailed sizing mode, Rectangular, circular, and flexible ducts

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

**In-app purchases:** none

**What reviewers like**

- 👍 Very helpful for duct sizing
- 👍 Easy to use in the field
- 👍 Saves time
- 👍 Seamless imperial/metric transitions
- 👍 Excellent tool for duct design

**What reviewers complain about**

- 👎 App should be free
- 👎 Functionality is pointless for some needs
- 👎 Doesn't help with traditional residential HVAC duct sizing
- 👎 App is a scam
- 👎 Decimal point doesn't work

**Reported bugs**

- Decimal point doesn't work on calculator
- New flex option isn't working properly
- Friction rate can't be changed in the latest version
- Skips duct sizes (e.g., 24-26)

**Requested features**

- Ability to pick duct size and see CFM
- Include flat oval ducts
- Option to select round or square duct
- Ability to enter duct size and get CFM
- Option for flex duct


## Frequently asked questions

### Is Togg free?

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

### Is Ductulator free?

Ductulator costs $3.99, with no in-app purchases.

### Which has better reviews, Togg or Ductulator?

Togg is rated higher. Togg averages 5.0 out of 5 from 4 ratings, while Ductulator averages 4.7 from 353 ratings.

### Do Togg or Ductulator have ads?

Neither Togg nor Ductulator shows ads.

### Which is updated more often, Togg or Ductulator?

Togg ships an update every 2 months, and Ductulator every 2 months. Most recently, Togg was updated on October 24, 2026 and Ductulator on October 24, 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.*