# DoseRightCalc vs Delta

The clearest difference is update cadence: DoseRightCalc at weekly against Delta's every 7 months. Delta's advantage is iOS requirement (13.0 vs 18.2). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for DoseRightCalc against 5.0 for Delta. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

DoseRightCalc ships an update weekly, Delta every 7 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DoseRightCalc | Delta |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/doserightcalc/id6742057685/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/delta-smart-habit-tracker/id6758635216/reviews) |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 7 months |
| Monetization | Free | Free |
| Size | 1 MB | 43 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Shankar Ramakrishnan](https://appshunter.io/developer/1796605213) | [CHARLES HUNTER SAVAGE](https://appshunter.io/developer/1874071783) |

## What reviewers say

### DoseRightCalc

[App page](https://appshunter.io/ios/app/doserightcalc/id6742057685)

Calculate approximate THC dosage with an advanced bioavailability calculator for common consumption methods. Understand your body's absorption to promote responsible indulgence.

**Highlights:** THC dosage calculation, Bioavailability calculator, Supports common consumption methods, Promotes responsible indulgence, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### Delta

[App page](https://appshunter.io/ios/app/delta-smart-habit-tracker/id6758635216)

This science-based app helps you quit nicotine by tracking your habits and identifying craving triggers. Gamify your recovery with a digital companion that grows as you progress, and visualize your savings and wellness on a minimalist dashboard. All your data is stored locally for privacy.

**Highlights:** Science-based tracking, Identify craving triggers, Gamified recovery with Life Tree, Track streak and savings, Personalized analytics, Local data storage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DoseRightCalc free?

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

### Is Delta free?

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

### Which has better reviews, DoseRightCalc or Delta?

DoseRightCalc and Delta are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do DoseRightCalc or Delta have ads?

Neither DoseRightCalc nor Delta shows ads.

### Which is updated more often, DoseRightCalc or Delta?

DoseRightCalc ships an update weekly, and Delta every 7 months. Most recently, DoseRightCalc was updated on October 24, 2026 and Delta on October 28, 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.*