# EstiMate vs Grid Calendar+

The clearest difference is ads: Grid Calendar+ at none against EstiMate's shown. Grid Calendar+ also leads on iOS requirement (15.6 vs 17.6). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. EstiMate sells 6 in-app purchases, starting at $2.99 per month and Grid Calendar+ sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

EstiMate ships an update weekly, Grid Calendar+ every 8 days. The most recent releases landed on September 10, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | EstiMate | Grid Calendar+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 39.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 8 days |
| Monetization | — | Free with in-app purchases |
| Size | 20 MB | 1 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [tsai peimin](https://appshunter.io/developer/1816618326) | [y-design](https://appshunter.io/developer/398188218) |

## What reviewers say

### EstiMate

[App page](https://appshunter.io/ios/app/estimate-quotation-partner/id6746390891)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Project Management (Monthly) | $2.99 | per month |
| Data Sharing（Monthly） | $4.99 | per month |
| Small Tip | $2.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $7.99 | one-time |
| Mega Tip | $29.99 | one-time |


### Grid Calendar+

[App page](https://appshunter.io/ios/app/grid-calendar-plus/id6751937640)

This app offers a visual way to manage multiple overlapping schedules, perfect for balancing work, school, and personal life. Easily add events with icons and emojis, and sync your data across devices. Integrate with existing calendars for seamless organization.

**Highlights:** Multiple schedule visualization, Event management with icons/emojis, Automatic iCloud sync, iOS Calendar integration, Google Calendar integration, Group schedule sharing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Unlimited | $1.99 | per month |


## Frequently asked questions

### Is EstiMate free?

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

### Is Grid Calendar+ free?

Grid Calendar+ is free to download, with in-app purchases available.

### Do EstiMate or Grid Calendar+ have ads?

EstiMate shows ads; Grid Calendar+ does not.

### Which is updated more often, EstiMate or Grid Calendar+?

EstiMate ships an update weekly, and Grid Calendar+ every 8 days. Most recently, EstiMate was updated on September 10, 2026 and Grid Calendar+ on September 26, 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.*