DoseRightCalc vs Delta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DoseRightCalc
Calculate approximate THC dosage with an advanced bioavailability calculator for common consumption methods. Understand your body's absorption to promote responsible indulgence.
- THC dosage calculation
- Bioavailability calculator
- Supports common consumption methods
- Promotes responsible indulgence
- Free to use
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Calculate approximate THC dosage with our advanced bioavailability calculator. Works for all common consumption methods. Do not guess what you intake, get to know what your body absorbs. The goal for this app to promote responsible indulgence. Free to use.
Delta
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.
- Science-based tracking
- Identify craving triggers
- Gamified recovery with Life Tree
- Track streak and savings
- Personalized analytics
- Local data storage
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Track any habit you're building or breaking. Delta pairs short daily check-inswith a growing plant companion, streaks, and rewards — so tracking your habit doesn't feel like a chore. Delta currently supports tracking nicotine, alcohol, and cannabis use, with more habit categories on the way. WHY DELTA Most tracking apps ask a lot and give little back. Delta is built around brief, randomized daily check-ins (2–4 a day, your choice) that take under a minute — short enough that you actually keep up with them. Every check-in feeds a companion that grows through six stages as you log consistently. It's not decoration — it's a direct reflection of your own consistency. FEATURES • Personalized onboarding — set your habit, your reason for change, your triggers, and your motivations up front • Quick daily check-ins — desire, stress, mood, and context, in under a minute • Quick Log — capture a craving or a slip in about 10 seconds, any time • Craving SOS — a guided breathing exercise and a 3-minute timer for the moments that matter most • A growing companion — six evolution stages, driven entirely by your own consistency • Streak Shields — a missed day doesn't have to break your streak • Real analytics — trends, triggers, and a plain-English breakdown of your patterns • Export anytime — download everything as CSV or JSON whenever you want it
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | DoseRightCalc | Delta |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Number of ratings | 2 — better | 1 |
| Update frequency | Weekly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.2 | 13.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 43 MB |
| Age rating | 17+ | 17+ |
| Developer | Shankar Ramakrishnan | CHARLES HUNTER SAVAGE |
Customer experience
DoseRightCalc
Delta
In-app purchases
DoseRightCalc
No in-app purchases
Delta
No in-app purchases









