# 罗德岛助理 vs 同调计划 | Sync Project

The clearest difference is in-app purchases: 同调计划 | Sync Project at none against 罗德岛助理's 3. 同调计划 | Sync Project also leads on update cadence (weekly vs every 3 weeks) and iOS requirement (13.0 vs 15.0). 罗德岛助理's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. 罗德岛助理 sells 3 one-off in-app purchases. 同调计划 | Sync Project asks for nothing beyond the download.

罗德岛助理 ships an update every 3 weeks, 同调计划 | Sync Project weekly. The most recent releases landed on June 1, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | 罗德岛助理 | 同调计划 | Sync Project |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/id1632810611/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 12 MB | 124 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [浩 关](https://appshunter.io/developer/1614073768) | [上海凌可通电子科技有限公司](https://appshunter.io/developer/1797015309) |

## What reviewers say

### 罗德岛助理

[App page](https://appshunter.io/ios/app/id1632810611)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sponsor Lv.1 | $0.99 | one-time |
| Sponsor Lv.2 | $1.99 | one-time |
| Sponsor Lv.3 | $2.99 | one-time |


### 同调计划 | Sync Project

[App page](https://appshunter.io/ios/app/sync-project/id6756963398)

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

**In-app purchases:** none


## Frequently asked questions

### Is 罗德岛助理 free?

罗德岛助理 is free to download, with in-app purchases available.

### Is 同调计划 | Sync Project free?

同调计划 | Sync Project is free to download, with no in-app purchases.

### Do 罗德岛助理 or 同调计划 | Sync Project have ads?

Neither 罗德岛助理 nor 同调计划 | Sync Project shows ads.

### Which is updated more often, 罗德岛助理 or 同调计划 | Sync Project?

罗德岛助理 ships an update every 3 weeks, and 同调计划 | Sync Project weekly. Most recently, 罗德岛助理 was updated on June 1, 2026 and 同调计划 | Sync Project on September 5, 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.*