# TinyDays小日子 vs Otuli

The clearest difference is ads: Otuli at none against TinyDays小日子's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. TinyDays小日子 sells 1 in-app purchase, starting at $0.99 per month and Otuli sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | TinyDays小日子 | Otuli |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | Every 5 days |
| Size | 5 MB | 57 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Chen minyu](https://appshunter.io/developer/1896512688) | [Mark Battistella](https://appshunter.io/developer/1584906978) |

## What reviewers say

### TinyDays小日子

[App page](https://appshunter.io/ios/app/tinydays/id6772750804)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 解鎖無廣告 | $0.99 | per month |


### Otuli

[App page](https://appshunter.io/ios/app/otuli-shared-baby-tracker/id6801689523)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Otuli Together | $9.99 | one-time |


## Frequently asked questions

### Is TinyDays小日子 free?

TinyDays小日子 is free to download, with in-app purchases available.

### Is Otuli free?

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

### Do TinyDays小日子 or Otuli have ads?

TinyDays小日子 shows ads; Otuli does not.

### Which is updated more often, TinyDays小日子 or Otuli?

TinyDays小日子 ships an update every 5 days, and Otuli every 5 days. Most recently, TinyDays小日子 was updated on October 4, 2026 and Otuli on October 14, 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.*