# First10 To vs Shift Calendar Assistant

First10 To and Shift Calendar Assistant are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | First10 To | Shift Calendar Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/first10-to-do/id6792640083/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [https://airussolutions.com/](https://appshunter.io/developer/1889075614) | [飞 江](https://appshunter.io/developer/1815739763) |

## What reviewers say

### First10 To

[App page](https://appshunter.io/ios/app/first10-to-do/id6792640083)

This to-do list app enforces a strict limit of ten open tasks, encouraging focus and action. It helps users manage their priorities by requiring completion or removal of an old task before adding a new one, transforming lists from guilt piles into actionable plans.

**Highlights:** Strict ten-task limit, Task completion frees slots, Optional notes and contexts, Recurring tasks and reminders, Home screen widget, Searchable history, Later capture for ideas

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

**In-app purchases:** none


### Shift Calendar Assistant

[App page](https://appshunter.io/ios/app/shift-calendar-assistant/id6801934756)

**In-app purchases:** none


## Frequently asked questions

### Is First10 To free?

First10 To is free to download, with no in-app purchases.

### Is Shift Calendar Assistant free?

Shift Calendar Assistant is free to download, with no in-app purchases.

### Do First10 To or Shift Calendar Assistant have ads?

Neither First10 To nor Shift Calendar Assistant shows ads.

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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.*