# AM GPT vs DayDo Calendar

The clearest difference is update cadence: AM GPT at every 6 days against DayDo Calendar's monthly. AM GPT also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. AM GPT sells 3 in-app purchases, starting at $9.99 per month and DayDo Calendar sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

AM GPT ships an update every 6 days, DayDo Calendar monthly. Both last shipped on November 5, 2026.

## The numbers

| Metric | AM GPT | DayDo Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (6 ratings)](https://appshunter.io/ios/app/daydo-calendar/id6753119680/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 48 MB | 277 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CORDOBA VENTURE STUDIO LTD](https://appshunter.io/developer/1809138121) | [Ondrej Horak](https://appshunter.io/developer/1681103059) |

## What reviewers say

### AM GPT

[App page](https://appshunter.io/ios/app/am-gpt/id6744744346)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | per month |
| Pro | $19.99 | per month |
| Pro | $19.99 | per month |


### DayDo Calendar

[App page](https://appshunter.io/ios/app/daydo-calendar/id6753119680)

Organize your daily life with a unified planner that integrates calendars, reminders, routines, and smart alarms. This app offers a modern approach to planning, helping you manage your schedule and personal habits efficiently in a single, elegant interface.

**Highlights:** Integrated calendar, Daily reminders, Recurring routines, Smart alarms, Elegant interface, Personal habit management

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly PRO | $1.99 | per month |
| Yearly PRO | $19.99 | per year |
| Lifetime PRO | $99.99 | one-time |


## Frequently asked questions

### Is AM GPT free?

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

### Is DayDo Calendar free?

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

### Do AM GPT or DayDo Calendar have ads?

Both AM GPT and DayDo Calendar show ads.

### Which is updated more often, AM GPT or DayDo Calendar?

AM GPT ships an update every 6 days, and DayDo Calendar monthly. Most recently, AM GPT was updated on November 5, 2026 and DayDo Calendar on November 5, 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.*