# Ring Sizer vs FlashWord.：学英语、背单词必备

Ring Sizer and FlashWord.：学英语、背单词必备 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Ring Sizer sells 3 in-app purchases, starting at $3.99 per 7 days and FlashWord.：学英语、背单词必备 sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Ring Sizer | FlashWord.：学英语、背单词必备 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (35 ratings)](https://appshunter.io/ios/app/ring-sizer-ring-measure/id6739887211/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 29 MB | 4 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ramkumar Vellaisamy](https://appshunter.io/developer/1706335914) | [WAILI LIMITED](https://appshunter.io/developer/1696435042) |

## What reviewers say

### Ring Sizer

[App page](https://appshunter.io/ios/app/ring-sizer-ring-measure/id6739887211)

Instantly determine your precise ring size for online shopping, custom orders, or gift purchases. Offers multiple international sizing standards and saves your measurements for future use. Get accurate results with clear, step-by-step instructions.

**Highlights:** Instant ring size measurement, Support for multiple international sizing standards, Save and access size history, Step-by-step measurement guidance, Measure for custom ring widths

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ring Sizer Weekly | $3.99 | per 7 days |
| Ring Sizer Yearly | $9.99 | per year |
| Ring Sizer Lifetime | $19.99 | one-time |


### FlashWord.：学英语、背单词必备

[App page](https://appshunter.io/ios/app/flashword/id6758485354)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Pack | $4.99 | per 7 days |
| Yearly Pro Pack | $39.99 | per year |


## Frequently asked questions

### Is Ring Sizer free?

Ring Sizer is free to download, with in-app purchases available.

### Is FlashWord.：学英语、背单词必备 free?

FlashWord.：学英语、背单词必备 is free to download, with in-app purchases available.

### Do Ring Sizer or FlashWord.：学英语、背单词必备 have ads?

Neither Ring Sizer nor FlashWord.：学英语、背单词必备 shows ads.

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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.*