# Grambo vs Precursor

The clearest difference is monetization model: Precursor at freemium against Grambo's subscription. Precursor also leads on ratings volume (18 vs 3). Grambo's advantage is update cadence (every 3 days vs every 9 days). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Grambo sells 2 in-app purchases, starting at $4.99 per month and Precursor sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Grambo against 4.9 for Precursor. That said, the two scores are not equally well evidenced: Precursor has 18 ratings behind it against 3, so its average is the more settled of the two.

Grambo ships an update every 3 days, Precursor every 9 days. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Grambo | Precursor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/grambo/id6775759862/reviews)** | [4.9 (18 ratings)](https://appshunter.io/ios/app/precursor-screen-time-limit/id6791403654/reviews) |
| Number of ratings | 3 | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | Subscription | **Freemium** |
| Size | 18 MB | 17 MB |
| Requires iOS | **16.5** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Sabeen](https://appshunter.io/developer/6775759864) | [Precursor Labs](https://appshunter.io/developer/6791403656) |

## What reviewers say

### Grambo

[App page](https://appshunter.io/ios/app/grambo/id6775759862)

Enhance your writing with an AI-powered assistant that checks grammar, spelling, and tone across 90+ languages. Improve clarity and fluency for emails, documents, and messages in seconds.

**Highlights:** AI grammar and spelling correction, Sentence rewriting and improvement, Professional, casual, and formal tone options, Support for 90+ languages, Cloud-based AI corrections, Bring Your Own Key (BYOK) support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grambo Monthly | $4.99 | per month |
| Grambo Lifetime | $19.99 | one-time |


### Precursor

[App page](https://appshunter.io/ios/app/precursor-screen-time-limit/id6791403654)

This app helps break the cycle of excessive screen time by allowing users to set hourly limits for specific applications. It resets these limits every hour, promoting sustainable usage without guilt or shame. Friction is added to prevent impulsive limit overrides.

**Highlights:** Set hourly app limits, Hourly limit resets, App blocking when limits are reached, Friction to prevent impulsive overrides, Customizable limits by day, Private by design, on-device processing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is Grambo free?

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

### Is Precursor free?

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

### Which has better reviews, Grambo or Precursor?

Grambo is rated higher. Grambo averages 5.0 out of 5 from 3 ratings, while Precursor averages 4.9 from 18 ratings.

### Do Grambo or Precursor have ads?

Neither Grambo nor Precursor shows ads.

### Which is updated more often, Grambo or Precursor?

Grambo ships an update every 3 days, and Precursor every 9 days. Most recently, Grambo was updated on October 31, 2026 and Precursor on November 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.*