# oThings vs Petit Opus

oThings and Petit Opus are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. oThings sells 2 one-off in-app purchases and Petit Opus sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

oThings ships an update every 10 days, Petit Opus every 9 days. The most recent releases landed on June 5, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | oThings | Petit Opus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/othings/id6448870649/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | Free | — |
| Size | 7 MB | 137 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 9+ |
| Developer | [Kaiyu Lei](https://appshunter.io/developer/1686737227) | [峰 张](https://appshunter.io/developer/699549327) |

## What reviewers say

### oThings

[App page](https://appshunter.io/ios/app/othings/id6448870649)

This app helps you meticulously document and showcase your cherished possessions and memories. Organize items with multi-condition classification, tag filtering, and diverse display layouts. Share your favorite things with friends and record their value in various currencies.

**Highlights:** Tag filtering for memories, Multi-condition classification, Diverse screen layout options, Record item value and currency, Shareable item cards, Map and chronological display

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Display Case | $0.99 | one-time |
| Display Case Set | $2.99 | one-time |


### Petit Opus

[App page](https://appshunter.io/ios/app/petit-opus/id6764372535)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Membership | $1.99 | per month |
| Annual Pro Membership | $14.99 | per year |


## Frequently asked questions

### Is oThings free?

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

### Is Petit Opus free?

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

### Do oThings or Petit Opus have ads?

Neither oThings nor Petit Opus shows ads.

### Which is updated more often, oThings or Petit Opus?

oThings ships an update every 10 days, and Petit Opus every 9 days. Most recently, oThings was updated on June 5, 2026 and Petit Opus on September 8, 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.*