# OffGrid Dose vs Lumis

The clearest difference is iOS requirement: OffGrid Dose at 18.0 against Lumis's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. OffGrid Dose sells 6 in-app purchases, starting at $4.99 per 7 days and Lumis sells 1 in-app purchase, starting at $19.99 per year. Whichever you choose, the download price is not the number that matters.

OffGrid Dose ships an update every 3 weeks, Lumis fortnightly. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | OffGrid Dose | Lumis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/offgrid-dose-glp-1-tracker/id6762003119/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 16 MB | 9 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Wave Tech LLC](https://appshunter.io/developer/1783854937) | [David Ellis](https://appshunter.io/developer/1896519854) |

## What reviewers say

### OffGrid Dose

[App page](https://appshunter.io/ios/app/offgrid-dose-glp-1-tracker/id6762003119)

A privacy-focused health tracker for GLP-1 medications like semaglutide and tirzepatide. Log doses, weight, and side effects locally on your device without accounts or servers. Includes injection site tracking, medication level estimation, and PDF export for doctors.

**Highlights:** Privacy-first local data storage, 10-second dose and weight check-in, Injection site rotation map, Medication level concentration curve, Titration-aware dose graphs, Side effect logging and correlation, PDF export for healthcare providers

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly $4.99 | $4.99 | per 7 days |
| Yearly $29.99 | $29.99 | per year |
| Yearly Premium | $39.99 | per year |
| Yearly Premium | $39.99 | per year |
| Yearly Premium | $39.99 | per year |
| Lifetime Pro | $14.99 | one-time |


### Lumis

[App page](https://appshunter.io/ios/app/lumis-glp-1-tracker/id6767912608)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumis Premium | $19.99 | per year |


## Frequently asked questions

### Is OffGrid Dose free?

OffGrid Dose is free to download, with in-app purchases available.

### Is Lumis free?

Lumis is free to download, with in-app purchases available.

### Do OffGrid Dose or Lumis have ads?

Neither OffGrid Dose nor Lumis shows ads.

### Which is updated more often, OffGrid Dose or Lumis?

OffGrid Dose ships an update every 3 weeks, and Lumis fortnightly. Most recently, OffGrid Dose was updated on October 7, 2026 and Lumis on October 18, 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.*