# 绿页发票阅读器 vs iThingGPS

The clearest difference is update cadence: 绿页发票阅读器 at daily against iThingGPS's every 2 months. 绿页发票阅读器 also leads on iOS requirement (11.0 vs 13.0). 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.

绿页发票阅读器 ships an update daily, iThingGPS every 2 months. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | 绿页发票阅读器 | iThingGPS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 months |
| Size | 1 MB | 114 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Best Wonder Co.,Ltd.](https://appshunter.io/developer/1087276294) | [上海移慧科技有限公司](https://appshunter.io/developer/1854681920) |

## What reviewers say

### 绿页发票阅读器

[App page](https://appshunter.io/ios/app/id1514533262)

**In-app purchases:** none


### iThingGPS

[App page](https://appshunter.io/ios/app/ithinggps/id6755589755)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 绿页发票阅读器 free?

绿页发票阅读器 is free to download, with no in-app purchases.

### Is iThingGPS free?

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

### Do 绿页发票阅读器 or iThingGPS have ads?

Neither 绿页发票阅读器 nor iThingGPS shows ads.

### Which is updated more often, 绿页发票阅读器 or iThingGPS?

绿页发票阅读器 ships an update daily, and iThingGPS every 2 months. Most recently, 绿页发票阅读器 was updated on November 7, 2026 and iThingGPS 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.*