# 小时光SmartTime vs Nostalgia

The clearest difference is in-app purchases: Nostalgia at none against 小时光SmartTime's 7. Nostalgia also leads on device support (4 vs 2). 小时光SmartTime's advantage is iOS requirement (13 vs 15.0). On price, update cadence and ads there is nothing between them.

Both are free to download. 小时光SmartTime sells 7 one-off in-app purchases. Nostalgia asks for nothing beyond the download.

小时光SmartTime ships an update every 6 weeks, Nostalgia every 3 weeks. The most recent releases landed on November 11, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | 小时光SmartTime | Nostalgia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 23 MB | 67 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [羽 蔡](https://appshunter.io/developer/1364939715) | [文江 范](https://appshunter.io/developer/1722013563) |

## What reviewers say

### 小时光SmartTime

[App page](https://appshunter.io/ios/app/smarttime/id1364939716)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 鼓励更新 | $0.99 | one-time |
| 100M日记空间 | $1.99 | one-time |
| 慷慨捐赠 | $2.99 | one-time |
| 300M日记空间 | $4.99 | one-time |
| 500M日记空间 | $6.99 | one-time |
| 600M日记空间 | $7.99 | one-time |
| 超大赞助 | $9.99 | one-time |


### Nostalgia

[App page](https://appshunter.io/ios/app/nostalgia-life-rec-diary/id6474927816)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 小时光SmartTime free?

小时光SmartTime is free to download, with in-app purchases available.

### Is Nostalgia free?

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

### Do 小时光SmartTime or Nostalgia have ads?

Neither 小时光SmartTime nor Nostalgia shows ads.

### Which is updated more often, 小时光SmartTime or Nostalgia?

小时光SmartTime ships an update every 6 weeks, and Nostalgia every 3 weeks. Most recently, 小时光SmartTime was updated on November 11, 2026 and Nostalgia on November 12, 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.*