# Griddy vs Mimi Hearing Test & Hear Boost

The clearest difference is in-app purchases: Griddy at none against Mimi Hearing Test & Hear Boost's 5. Griddy also leads on iOS requirement (16.0 vs 18.0). Mimi Hearing Test & Hear Boost's advantage is update cadence (every 3 weeks vs every 3 months) and rating (5.0 vs 4.8). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Mimi Hearing Test & Hear Boost sells 5 in-app purchases, starting at $3.99 per 7 days. Griddy asks for nothing beyond the download.

Mimi Hearing Test & Hear Boost holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 5 and 12 respectively.

Griddy ships an update every 3 months, Mimi Hearing Test & Hear Boost every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Griddy | Mimi Hearing Test & Hear Boost |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/griddy/id6447456866/reviews) | **[5.0 (12 ratings)](https://appshunter.io/ios/app/mimi-hearing-test-and-hear-boost/id6761536262/reviews)** |
| Number of ratings | 5 | **12** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 14 MB | 10 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kyaw Zay Ya Lin Tun](https://appshunter.io/developer/1623030567) | [Artem Aderikho](https://appshunter.io/developer/1778040251) |

## What reviewers say

### Griddy

[App page](https://appshunter.io/ios/app/griddy/id6447456866)

This app helps you create precise drawings by overlaying customizable grids onto your images. Adjust grid properties, remove backgrounds, and pin your image to focus on your artwork. Save and share your creations easily.

**Highlights:** Customizable grids (size, color, opacity), Background removal and custom backgrounds, Device kept awake while working, Pinning feature to lock image, Save and share designs, Pre-made app icons

**In-app purchases:** none


### Mimi Hearing Test & Hear Boost

[App page](https://appshunter.io/ios/app/mimi-hearing-test-and-hear-boost/id6761536262)

This application amplifies sounds, making voices and TV audio clearer. It offers advanced features like live captions and noise metering through a subscription service. Manage your subscription and privacy settings easily.

**Highlights:** Sound amplification for voices, TV audio enhancement, Live captioning, Noise meter, Customizable sound booster settings, Unlimited records

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Version | $3.99 | per 7 days |
| Premium Version | $12.99 | per month |
| Limited Offer | $19.99 | per year |
| Premium Version | $39.99 | per year |
| Lifetime Access | $69.99 | one-time |


## Frequently asked questions

### Is Griddy free?

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

### Is Mimi Hearing Test & Hear Boost free?

Mimi Hearing Test & Hear Boost is free to download, with in-app purchases available.

### Which has better reviews, Griddy or Mimi Hearing Test & Hear Boost?

Mimi Hearing Test & Hear Boost is rated higher. Griddy averages 4.8 out of 5 from 5 ratings, while Mimi Hearing Test & Hear Boost averages 5.0 from 12 ratings.

### Do Griddy or Mimi Hearing Test & Hear Boost have ads?

Neither Griddy nor Mimi Hearing Test & Hear Boost shows ads.

### Which is updated more often, Griddy or Mimi Hearing Test & Hear Boost?

Griddy ships an update every 3 months, and Mimi Hearing Test & Hear Boost every 3 weeks. Most recently, Griddy was updated on November 3, 2026 and Mimi Hearing Test & Hear Boost 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.*