# 海洋信息服务 vs Saving Diary

The clearest difference is in-app purchases: 海洋信息服务 at none against Saving Diary's 3. 海洋信息服务 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Saving Diary sells 3 in-app purchases, starting at $0.29 per month. 海洋信息服务 asks for nothing beyond the download.

海洋信息服务 ships an update every 3 weeks, Saving Diary every 2 weeks. The most recent releases landed on September 23, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 海洋信息服务 | Saving Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/saving-diary-simple-tracker/id6759098489/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 82 MB | 2 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ShangHai Wanhigh BigData of Information Co., Ltd.](https://appshunter.io/developer/1514736393) | [颖 杨](https://appshunter.io/developer/1872549512) |

## What reviewers say

### 海洋信息服务

[App page](https://appshunter.io/ios/app/id1670552703)

**Features:** macOS Compatibility

**In-app purchases:** none


### Saving Diary

[App page](https://appshunter.io/ios/app/saving-diary-simple-tracker/id6759098489)

This app helps you build a consistent saving habit with engaging challenges and visual progress tracking. It offers various saving plans, personalized themes, and an achievement system to make reaching financial goals fun and rewarding. All your data is stored locally for maximum privacy.

**Highlights:** Multiple saving plans, Visual progress tracking, Yearly overview grid, Personalized themes, Achievement system, Local data storage, Shareable achievement cards

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $0.29 | per month |
| Yearly Pro (Best Value) | $1.99 | per year |
| Lifetime Pro | $3.99 | one-time |


## Frequently asked questions

### Is 海洋信息服务 free?

海洋信息服务 is free to download, with no in-app purchases.

### Is Saving Diary free?

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

### Do 海洋信息服务 or Saving Diary have ads?

Neither 海洋信息服务 nor Saving Diary shows ads.

### Which is updated more often, 海洋信息服务 or Saving Diary?

海洋信息服务 ships an update every 3 weeks, and Saving Diary every 2 weeks. Most recently, 海洋信息服务 was updated on September 23, 2026 and Saving Diary on September 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.*