AudioVAULT FleX Mobile vs EGD2021
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AudioVAULT FleX Mobile
Remotely manage your AudioVAULT Flex station using your mobile device. This application requires the AudioVAULT Flex 10.30 server component to function.
- Remote station control
- Mobile device integration
- Requires server component
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Control your AudioVAULT Flex station from your mobile device. Requires AudioVAULT Flex 10.30 server component.
EGD2021
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This version of the app is written by Lam Yeung Shun under the supervision of Dr. Shiu Yin Yuen. The application will act as a guide dog, as an auxiliary tool to guide the visually impaired people (VIP) to the destination in both indoor and outdoor environments. Under the guidance of the navigation, the VIP can easily follow the instructions from the recorded path. The path can be recorded by themselves or received from other users.
Screenshots
Verdict
The clearest difference is update cadence: AudioVAULT FleX Mobile at every 6 months against EGD2021's every 25 months. AudioVAULT FleX Mobile also leads on iOS requirement (7.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
AudioVAULT FleX Mobile ships an update every 6 months, EGD2021 every 25 months. The most recent releases landed on October 2, 2026 and October 3, 2026 respectively.
| Parameter | AudioVAULT FleX Mobile | EGD2021 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 months — better | Every 25 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 39 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | BE DIGITAL MEDIA SOLUTIONS LLC | Shiu Yin Yuen |
In-app purchases
AudioVAULT FleX Mobile
No in-app purchases
EGD2021
No in-app purchases
Questions
Is AudioVAULT FleX Mobile free?
Is EGD2021 free?
Do AudioVAULT FleX Mobile or EGD2021 have ads?
Which is updated more often, AudioVAULT FleX Mobile or EGD2021?
Other comparisons
