# Echo ASD vs OffGrid Dose

The clearest difference is in-app purchases: Echo ASD at none against OffGrid Dose's 6. Echo ASD also leads on iOS requirement (15 vs 18.0). OffGrid Dose's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. OffGrid Dose sells 6 in-app purchases, starting at $4.99 per 7 days. Echo ASD asks for nothing beyond the download.

Echo ASD ships an update every 2 months, OffGrid Dose every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Echo ASD | OffGrid Dose |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 36 MB | 16 MB |
| Requires iOS | **15** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Autism Solutions Inc](https://appshunter.io/developer/1723540997) | [Wave Tech LLC](https://appshunter.io/developer/1783854937) |

## What reviewers say

### Echo ASD

[App page](https://appshunter.io/ios/app/echo-asd/id6475177923)

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Echo ASD free?

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

### Is OffGrid Dose free?

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

### Do Echo ASD or OffGrid Dose have ads?

Neither Echo ASD nor OffGrid Dose shows ads.

### Which is updated more often, Echo ASD or OffGrid Dose?

Echo ASD ships an update every 2 months, and OffGrid Dose every 3 weeks. Most recently, Echo ASD was updated on October 2, 2026 and OffGrid Dose on October 7, 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.*