Comparison

VortexBot vs Blena

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

VortexBot

Control mobile robots via Bluetooth using an open protocol. This game app allows users to implement specific game rules and dictate robot behavior.

Highlights
  • Mobile robot control
  • Bluetooth communication
  • Open control protocol
  • Game rule implementation
  • Robot behavior control
Features
Read full description

Vortex is a game app based on mobile robots 。Open control-protocol and transmit message via bluetooth. It implement the specific rules of games, and control robot behaviour through the protocol.

About

Blena

This app allows developers to test Bluetooth features directly from their web browser. It simplifies the use of the Web Bluetooth API, making it a valuable tool for tech professionals.

Highlights
  • Web Bluetooth API testing
  • Browser integration
  • Developer tool
  • Streamlined development process
Features
Read full description

Blena is a powerful app specifically designed for developers who want to test Bluetooth-related features directly from their browsers. With its unique focus on streamlining the development process, Blena transforms how developers work with the Web Bluetooth API, making it an essential tool for any tech professional.

Screenshots

VortexBot4 screens
Blena3 screens

Verdict

The call

The clearest difference is rating: VortexBot at 5.0 against Blena's 3.7. VortexBot also leads on iOS requirement (8.1 vs 16.6). Blena's advantage is review sentiment (100% vs 75%) and update cadence (every 10 days vs every 6 weeks). On price, ads, in-app purchases and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

VortexBot holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews complicate that: 75% of VortexBot's written reviews are positive against 100% of Blena's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

VortexBot ships an update every 6 weeks, Blena every 10 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level
VortexBot versus Blena: the parameters behind the verdict, then further details
ParameterVortexBotBlena
PriceFreeFree
Rating5.0 (1 ratings) — better3.7 (3 ratings)
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings13 — better
Update frequencyEvery 6 weeksEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.1 — better16.6
Further details — not scored
Size33 MB11 MB
Age rating4+17+
DeveloperShanghai Zhiwei Robotics Co LtdOneworld Equipment Corp

Customer experience

VortexBot

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Blena

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

VortexBot

No in-app purchases

None

Blena

No in-app purchases

Questions

Is VortexBot free?
VortexBot is free to download, with no in-app purchases.
Is Blena free?
Blena is free to download, with no in-app purchases.
Which has better reviews, VortexBot or Blena?
VortexBot is rated higher. VortexBot averages 5.0 out of 5 from 1 ratings, while Blena averages 3.7 from 3 ratings.
Do VortexBot or Blena have ads?
Neither VortexBot nor Blena shows ads.
Which is updated more often, VortexBot or Blena?
VortexBot ships an update every 6 weeks, and Blena every 10 days. Most recently, VortexBot was updated on November 1, 2026 and Blena on October 30, 2026.

Other comparisons