# DDLock vs Flash Maker

The clearest difference is rating: DDLock at 2.9 against Flash Maker's 1.9. Flash Maker's advantage is update cadence (monthly vs every 4 months) and ratings volume (453 vs 99). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

DDLock holds the better App Store score, 2.9 against 1.9. Both are backed by a comparable volume of ratings — 99 and 453 respectively. Written reviews point the same way: 20% of DDLock's written reviews are positive against 17% of Flash Maker's.

DDLock ships an update every 4 months, Flash Maker monthly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | DDLock | Flash Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (99 ratings)](https://appshunter.io/ios/app/ddlock/id6443749440/reviews)** | [1.9 (453 ratings)](https://appshunter.io/ios/app/flash-maker/id6475712393/reviews) |
| Number of ratings | 99 | **453** |
| Positive reviews | **20.0% of reviews** | 16.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | Free |
| Size | 407 MB | 109 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Kaadas Intelligent Technology Co.,Ltd](https://appshunter.io/developer/1155786021) | [浙江闪铸三维科技有限公司](https://appshunter.io/developer/999198567) |

## What reviewers say

### DDLock

[App page](https://appshunter.io/ios/app/ddlock/id6443749440)

Unlock your doors using your smartphone, eliminating the need for physical keys. This app offers a more convenient and modern way to manage access to your locks.

**Highlights:** Unlock with smartphone, Eliminates physical keys, Convenient lock access, Modern security solution

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Flash Maker

[App page](https://appshunter.io/ios/app/flash-maker/id6475712393)

Manage your 3D printers remotely with this app. Monitor printer status, view live video feeds, and organize multiple devices into groups for a streamlined printing experience.

**Highlights:** Remote printer status check, Live video monitoring, Group management for multiple printers, Convenient 3D printing control

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Works great
- 🚀 Immediately improved after update
- 👍 Good app

**What reviewers complain about**

- 🐛 Barely works
- 🐛 Needs a lot of work
- 🐛 Absolutely terrible
- 🐛 Doesn't work at all
- 🐛 Terrible app

**Reported bugs**

- Can't connect device
- Can't register account
- Printer always shows as offline
- Camera feed doesn't work
- Frequent crashes

**Requested features**

- Add ability to switch between local network and cloud
- More control over printer (advanced hidden menu, more temps, ability to cancel one model if printing multiple)
- Add AI control of failed prints
- Add slicer functionality
- Add iPad support


## Frequently asked questions

### Is DDLock free?

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

### Is Flash Maker free?

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

### Which has better reviews, DDLock or Flash Maker?

DDLock is rated higher. DDLock averages 2.9 out of 5 from 99 ratings, while Flash Maker averages 1.9 from 453 ratings.

### Do DDLock or Flash Maker have ads?

Neither DDLock nor Flash Maker shows ads.

### Which is updated more often, DDLock or Flash Maker?

DDLock ships an update every 4 months, and Flash Maker monthly. Most recently, DDLock was updated on October 10, 2026 and Flash Maker on October 8, 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.*