# Grambo vs ZenMinder

The clearest difference is in-app purchases: ZenMinder at none against Grambo's 2. Grambo's advantage is update cadence (every 3 days vs every 3 weeks) and ratings volume (3 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. Grambo sells 2 in-app purchases, starting at $4.99 per month. ZenMinder asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Grambo against 5.0 for ZenMinder. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Grambo ships an update every 3 days, ZenMinder every 3 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Grambo | ZenMinder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/grambo/id6775759862/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/zenminder/id6777560654/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Subscription | **Free** |
| Size | 18 MB | 3 MB |
| Requires iOS | **16.5** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Muhammed Sabeen](https://appshunter.io/developer/6775759864) | [Shaomeng Zhang](https://appshunter.io/developer/1399816359) |

## 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 |


### ZenMinder

[App page](https://appshunter.io/ios/app/zenminder/id6777560654)

Visualize your completed tasks from Apple Reminders as a contribution heatmap. Track your daily productivity and revisit completed items with detailed insights. Available on iPhone and Mac, it brings back the satisfaction of checking things off.

**Highlights:** Completed reminder heatmap, Daily productivity visualization, Browse completed tasks by day, Filter reminders by status, iPhone and Mac apps, Home screen widgets, Menu bar app

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Grambo free?

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

### Is ZenMinder free?

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

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

Grambo and ZenMinder are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Grambo or ZenMinder have ads?

Neither Grambo nor ZenMinder shows ads.

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

Grambo ships an update every 3 days, and ZenMinder every 3 weeks. Most recently, Grambo was updated on October 25, 2026 and ZenMinder on October 28, 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.*