# Sincerely vs OneDay

The clearest difference is in-app purchases: Sincerely at none against OneDay's 1. Sincerely also leads on update cadence (every 4 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. OneDay sells 1 one-off in-app purchase. Sincerely asks for nothing beyond the download.

Sincerely ships an update every 4 months, OneDay every 8 months. The most recent releases landed on October 1, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Sincerely | OneDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sincerely-est/id6468128174/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | Free | — |
| Size | 59 MB | 4 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Vilidea LLC](https://appshunter.io/developer/1631468543) | [RECEP GUR](https://appshunter.io/developer/1861267659) |

## What reviewers say

### Sincerely

[App page](https://appshunter.io/ios/app/sincerely-est/id6468128174)

Never forget important dates or personal details again. This app helps you track custom occasions, remember likes and dislikes, and manage gift ideas for everyone you know. Stay organized with home screen widgets and timely notifications.

**Highlights:** Custom occasion reminders, Contact profile tracking, Gift idea organizer, Home screen widgets, Time-sensitive notifications, Searchable occasion lists

**Features:** macOS Compatibility

**In-app purchases:** none


### OneDay

[App page](https://appshunter.io/ios/app/oneday-countdown-and-widget/id6756538962)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | one-time |


## Frequently asked questions

### Is Sincerely free?

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

### Is OneDay free?

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

### Do Sincerely or OneDay have ads?

Neither Sincerely nor OneDay shows ads.

### Which is updated more often, Sincerely or OneDay?

Sincerely ships an update every 4 months, and OneDay every 8 months. Most recently, Sincerely was updated on October 1, 2026 and OneDay on October 21, 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.*