# InSynerger vs 3Egreen Meter

The clearest difference is update cadence: InSynerger at every 3 weeks against 3Egreen Meter's every 6 weeks. 3Egreen Meter's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

InSynerger ships an update every 3 weeks, 3Egreen Meter every 6 weeks. The most recent releases landed on August 2, 2026 and December 24, 2025 respectively.

## The numbers

| Metric | InSynerger | 3Egreen Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 95 MB | 9 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [InSynerger Technology Co., Ltd.](https://appshunter.io/developer/1447476970) | [Skywind Inc.](https://appshunter.io/developer/900391858) |

## What reviewers say

### InSynerger

[App page](https://appshunter.io/ios/app/insynerger/id1447477151)

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

**In-app purchases:** none


### 3Egreen Meter

[App page](https://appshunter.io/ios/app/3egreen-meter/id1659607105)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InSynerger free?

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

### Is 3Egreen Meter free?

3Egreen Meter is free to download, with no in-app purchases.

### Do InSynerger or 3Egreen Meter have ads?

Neither InSynerger nor 3Egreen Meter shows ads.

### Which is updated more often, InSynerger or 3Egreen Meter?

InSynerger ships an update every 3 weeks, and 3Egreen Meter every 6 weeks. Most recently, InSynerger was updated on August 2, 2026 and 3Egreen Meter on December 24, 2025.

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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.*