Comparison

TBB Inverter Pack vs Zeliox ZAI4

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

Head to head

About

TBB Inverter Pack

Features

Read full description

Specifically designed for TBB Inverter Pack system, this APP is dedicated to: 1) Help users to know the working data of battery and inverter in real time 2) Provide online update of the latest firmware version 3) Provide users with a better understanding of the device through the battery, inverter details page and system settings. All in all, this APP will be a useful tool in the process of using TBB Inverter Pack system. We wish you always have fun in using TBB products.

About

Zeliox ZAI4

Features

Read full description

This APP is designed for Zeliox products to: 1) help users know the device status and data in real time; 2) provide the latest firmware and configuration file; 3) provide wider usage for Zeliox products. Overall, this APP will be a great tool for you to use your Zeliox products. We hope you will always enjoy using Zeliox products.

Screenshots

TBB Inverter Pack4 screens

Zeliox ZAI43 screens

Verdict

The call

The clearest difference is update cadence: TBB Inverter Pack at every 3 months against Zeliox ZAI4's every 7 months. 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

TBB Inverter Pack ships an update every 3 months, Zeliox ZAI4 every 7 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

Scorecard1 real difference · 5 level

TBB Inverter Pack versus Zeliox ZAI4: the parameters behind the verdict, then further details
Parameter	TBB Inverter Pack	Zeliox ZAI4
Price	Free	Free
Update frequency	Every 3 months — better	Every 7 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	13.0	12.0 — better
Further details — not scored
Size	24 MB	34 MB
Age rating	4+	17+
Developer	TBB Power Co., Ltd	Zeliox

In-app purchases

None

TBB Inverter Pack

No in-app purchases

None

Zeliox ZAI4

No in-app purchases

Questions

Is TBB Inverter Pack free?

TBB Inverter Pack is free to download, with no in-app purchases.

Is Zeliox ZAI4 free?

Zeliox ZAI4 is free to download, with no in-app purchases.

Do TBB Inverter Pack or Zeliox ZAI4 have ads?

Neither TBB Inverter Pack nor Zeliox ZAI4 shows ads.

Which is updated more often, TBB Inverter Pack or Zeliox ZAI4?

TBB Inverter Pack ships an update every 3 months, and Zeliox ZAI4 every 7 months. Most recently, TBB Inverter Pack was updated on October 30, 2026 and Zeliox ZAI4 on October 27, 2026.