# Amsler vs Resonali

The clearest difference is rating: Resonali at 5.0 against Amsler's 4.2. Resonali also leads on iOS requirement (15.1 vs 17.0). Amsler's advantage is in-app purchases (none vs 3). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Resonali sells 3 in-app purchases, starting at $4.99 per 7 days. Amsler asks for nothing beyond the download.

Resonali holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 5 and 3 respectively.

Amsler ships an update every 4 days, Resonali weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Amsler | Resonali |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/amsler/id6758112103/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/resonali/id6766722633/reviews)** |
| Number of ratings | **5** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | **Free** | Subscription |
| Size | 1 MB | 32 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [First Eye Applications LLC](https://appshunter.io/developer/1870103786) | [Resonali LLC](https://appshunter.io/developer/1896318541) |

## What reviewers say

### Amsler

[App page](https://appshunter.io/ios/app/amsler/id6758112103)

This application allows users to easily check for changes in their central vision using an Amsler grid. It offers multiple grid options, daily reminders, and guided instructions for self-testing. Designed for monitoring eye conditions or general vision health, it provides a convenient way to track visual changes.

**Highlights:** High-resolution Amsler grid, Daily reminder notifications, Guided self-testing instructions, Links to local eye care providers, Offline functionality, No sign-in required

**Features:** macOS Compatibility

**In-app purchases:** none


### Resonali

[App page](https://appshunter.io/ios/app/resonali/id6766722633)

This tool provides speech-language pathologists with acoustic voice analysis for clinical use. It helps measure and compare voice data, generate summaries for documentation, and supports various voice tasks. Designed for efficient and organized objective voice assessment.

**Highlights:** Acoustic and aerodynamic voice measures, Guided voice workflow, Reference-range comparison, Exportable PDF summaries, De-identified workflow, Built-in Voice Measures Guide

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Resonali Weekly | $4.99 | per 7 days |
| Resonali Monthly | $14.99 | per month |
| Resonali Annual | $99.99 | per year |


## Frequently asked questions

### Is Amsler free?

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

### Is Resonali free?

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

### Which has better reviews, Amsler or Resonali?

Resonali is rated higher. Amsler averages 4.2 out of 5 from 5 ratings, while Resonali averages 5.0 from 3 ratings.

### Do Amsler or Resonali have ads?

Neither Amsler nor Resonali shows ads.

### Which is updated more often, Amsler or Resonali?

Amsler ships an update every 4 days, and Resonali weekly. Most recently, Amsler was updated on October 31, 2026 and Resonali on November 5, 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.*