# StudyFuel vs Grid Calendar+

The clearest difference is ads: Grid Calendar+ at none against StudyFuel's shown. Grid Calendar+ also leads on update cadence (every 8 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. StudyFuel sells 5 in-app purchases, starting at $0.99 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.

StudyFuel ships an update every 2 months, Grid Calendar+ every 8 days. The most recent releases landed on October 27, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | StudyFuel | Grid Calendar+ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 35.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 44 MB | 1 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Luca Koster](https://appshunter.io/developer/1742337209) | [y-design](https://appshunter.io/developer/398188218) |

## What reviewers say

### StudyFuel

[App page](https://appshunter.io/ios/app/studyfuel-motivation-2-go/id6499073115)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StudyFuel Unterstützer mit 1€ | $0.99 | per month |
| StudyFuel Unterstützer mit 2€ | $1.99 | per month |
| StudyFuel Unterstützer mit 5€ | $3.99 | per month |
| StudyFuel Unterstützer mit 10€ | $8.99 | per month |
| StudyFuel Unterstützer mit 20€ | $17.99 | per month |


### Grid Calendar+

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

Visualize and manage multiple schedules simultaneously. This app helps balance personal, work, and school commitments, track projects, and set reminders. Customize events with emojis and export your calendar for printing or sharing.

**Highlights:** Multiple schedule visualization, Event customization with emojis/icons, Calendar export to PDF, iCloud sync across devices, Sync with Apple Calendar, Sync with Google Calendar

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

**In-app purchases (1)**

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


## Frequently asked questions

### Is StudyFuel free?

StudyFuel 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 StudyFuel or Grid Calendar+ have ads?

StudyFuel shows ads; Grid Calendar+ does not.

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

StudyFuel ships an update every 2 months, and Grid Calendar+ every 8 days. Most recently, StudyFuel was updated on October 27, 2026 and Grid Calendar+ on November 6, 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.*