# devia vs 膜界

The clearest difference is rating: devia at 4.3 against 膜界's 1.0. devia also leads on review sentiment (35% vs 0%) and ratings volume (4 vs 1). 膜界's advantage is update cadence (every 4 weeks vs every 2 months). 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.

devia holds the better App Store score, 4.3 against 1.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively. Written reviews point the same way: 35% of devia's written reviews are positive against 0% of 膜界's.

devia ships an update every 2 months, 膜界 every 4 weeks. The most recent releases landed on August 15, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | devia | 膜界 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/devia/id1485688539/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/id1559142258/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | **34.8% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 43 MB | 46 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan Siteng Electronics Co., Ltd.](https://appshunter.io/developer/1485688538) | [Wuxi Hongdian Wisdom Technology Co.ltd](https://appshunter.io/developer/1559142260) |

## What reviewers say

### devia

[App page](https://appshunter.io/ios/app/devia/id1485688539)

This app allows users to personalize screen protectors and back films for smartphones and smartwatches. It works in conjunction with a smart cutting machine to produce custom-fit films for various device models, reducing inventory costs.

**Highlights:** Personalized screen protector designs, Customizable back film designs, Supports smartphones and smartwatches, Works with smart cutting machines, Wide range of device models, Reduces inventory costs

**Features:** macOS Compatibility

**In-app purchases:** none


### 膜界

[App page](https://appshunter.io/ios/app/id1559142258)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is devia free?

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

### Is 膜界 free?

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

### Which has better reviews, devia or 膜界?

devia is rated higher. devia averages 4.3 out of 5 from 4 ratings, while 膜界 averages 1.0 from 1 ratings.

### Do devia or 膜界 have ads?

Neither devia nor 膜界 shows ads.

### Which is updated more often, devia or 膜界?

devia ships an update every 2 months, and 膜界 every 4 weeks. Most recently, devia was updated on August 15, 2026 and 膜界 on June 1, 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.*