# 一个小秘密 vs Oxygen

The clearest difference is ads: Oxygen at none against 一个小秘密's shown. Oxygen also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. 一个小秘密 sells 10 in-app purchases, starting at $3.49 per month and Oxygen sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

一个小秘密 ships an update every 2 weeks, Oxygen every 3 weeks. The most recent releases landed on September 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 一个小秘密 | Oxygen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (6 ratings)](https://appshunter.io/ios/app/id1356049348/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 11 MB | 40 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [SoloSoft Moon LLC.](https://appshunter.io/developer/1769783309) | [进田 吴](https://appshunter.io/developer/1771205662) |

## What reviewers say

### 一个小秘密

[App page](https://appshunter.io/ios/app/id1356049348)

This app provides a safe and anonymous space for adults to share their thoughts, feelings, and life challenges. Connect with others who have similar experiences, offer advice, or simply find solace in a supportive community. It's a place to be yourself without judgment.

**Highlights:** Anonymous messaging, Adult chat and social networking, Share life challenges, Connect with similar experiences, Offer and receive advice, Self-expression without judgment

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Continuous monthly | $3.49 | per month |
| Continuous quarter | $7.99 | per 3 months |
| Consecutive year | $14.49 | per year |
| 420 coins | $0.99 | one-time |
| One Quarter VIP | $5.99 | one-time |
| 7600 coins | $15.99 | one-time |
| 1 Year VIP | $21.99 | one-time |
| 21600 coins | $47.99 | one-time |
| 36300 coins | $79.99 | one-time |
| 70500 coins | $149.99 | one-time |


### Oxygen

[App page](https://appshunter.io/ios/app/oxygen/id6475773861)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100个金币 | $0.99 | one-time |
| 1个月会员 | $3.99 | one-time |
| 500个金币 | $3.99 | one-time |
| 3个月会员 | $6.99 | one-time |
| 6个月会员 | $9.99 | one-time |
| 2000个金币 | $14.99 | one-time |
| 12个月会员 | $19.99 | one-time |
| 168元购买5000个金币 | $24.99 | one-time |


## Frequently asked questions

### Is 一个小秘密 free?

一个小秘密 is free to download, with in-app purchases available.

### Is Oxygen free?

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

### Do 一个小秘密 or Oxygen have ads?

一个小秘密 shows ads; Oxygen does not.

### Which is updated more often, 一个小秘密 or Oxygen?

一个小秘密 ships an update every 2 weeks, and Oxygen every 3 weeks. Most recently, 一个小秘密 was updated on September 16, 2026 and Oxygen on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*