# GRBASZero vs LAMP Words For Life Discover

The clearest difference is review sentiment: LAMP Words For Life Discover at 50% against GRBASZero's 0%. GRBASZero's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. LAMP Words For Life Discover sells 2 one-off in-app purchases. GRBASZero asks for nothing beyond the download.

GRBASZero ships an update every 5 weeks, LAMP Words For Life Discover monthly. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | GRBASZero | LAMP Words For Life Discover |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (20 ratings)](https://appshunter.io/ios/app/lamp-words-for-life-discover/id6739362942/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 30 MB | 1.3 GB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [ENTZero](https://appshunter.io/developer/1719962125) | [Prentke Romich Company](https://appshunter.io/developer/474446992) |

## What reviewers say

### GRBASZero

[App page](https://appshunter.io/ios/app/grbaszero/id1490666100)

This app analyzes voice data to estimate hoarseness based on the GRBAS scale. It utilizes a machine learning model built from data collected at a hospital's otolaryngology department. The app focuses on evaluating the long vowel sound "A".

**Highlights:** Voice data analysis, GRBAS scale estimation, Machine learning model, Hoarseness evaluation, Long vowel sound analysis

**In-app purchases:** none


### LAMP Words For Life Discover

[App page](https://appshunter.io/ios/app/lamp-words-for-life-discover/id6739362942)

This app offers a risk-free trial of a robust augmentative and alternative communication (AAC) tool. It utilizes motor learning principles to aid individuals with autism and developmental disabilities in developing language and communication skills. Explore full features for 30 days before deciding to purchase.

**Highlights:** 30-day free trial, Motor learning-based communication, Minspeak and Unity language systems, Symbol-based with text support, Customizable vocabulary, Lite-tech board access after trial

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LAMP WFL 30-day trial | Free | one-time |
| LAMP WFL Full Version Upgrade | $299.99 | one-time |


## Frequently asked questions

### Is GRBASZero free?

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

### Is LAMP Words For Life Discover free?

LAMP Words For Life Discover is free to download, with in-app purchases available.

### Do GRBASZero or LAMP Words For Life Discover have ads?

Neither GRBASZero nor LAMP Words For Life Discover shows ads.

### Which is updated more often, GRBASZero or LAMP Words For Life Discover?

GRBASZero ships an update every 5 weeks, and LAMP Words For Life Discover monthly. Most recently, GRBASZero was updated on October 6, 2026 and LAMP Words For Life Discover on October 10, 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.*