Comparison

UltiCloud vs Fill Storage Pro

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

Head to head
About

UltiCloud

This platform integrates PV, battery storage, EV charging, and heat pump control into a single AI-powered hub. Monitor energy flow, optimize efficiency, and adjust production and consumption with real-time visualization and intelligent automation. Make smarter energy decisions with natural language interaction and predictive insights.

Highlights
  • Integrated PV, battery, EV charging, and heat pump control
  • Real-time energy flow visualization
  • Configurable operation modes (self-consumption, TOU, etc.)
  • AI-driven automation and optimization
  • Natural language device interaction
  • Predictive energy generation and weather insights
Features
Read full description

UltiCloud – Your AI-Powered Smart Energy Hub UltiCloud is a cloud-based smart energy management platform integrating PV, battery storage, EV charging, and heat pump control — all within one app. It allows users to monitor inverter parameters, optimize energy efficiency, and adjust every watt of production and consumption through dashboards. With real-time energy flow visualization, users gain full visibility into PV output, grid exchange, battery SOC, EV charging, and heat pump performance. The system supports a range of configurable operation modes — including self-consumption, time-of-use (TOU) mode, feed-in limitation, and EV priority charging — enabling users to maximize energy value. These modes can be set manually or automated via AI, dynamically adapting to usage patterns, tariff structures, and environmental factors. Powered by an intellectual AI engine, UltiCloud offers natural-language interaction for device queries, remote control, and predictive insights into energy generation and weather — enabling smarter, data-driven decisions. UltiCloud puts you in command of your entire home energy ecosystem — intelligently, efficiently, and seamlessly connected.

About

Fill Storage Pro

This utility app helps users simulate low storage conditions for testing or securely erase deleted data by filling device storage with dummy files. It offers customizable filling options and easy cleanup.

Highlights
  • Low storage simulation for testing
  • Securely overwrite deleted data
  • Customizable storage filling (fixed sizes/percentage)
  • One-tap cleanup of generated files
  • Ideal for developers and testers
Read full description

Fill Storage Pro is a must-have tool for iOS developers, testers, and users who need to simulate low storage conditions or securely erase deleted data. Key Features: ■ Low Storage Simulation for Testing ‣ Ideal for developers and testers to check how apps behave when storage is almost full. ■ Secure Data Erasure ‣ Fills storage with dummy files to overwrite deleted data, preventing recovery. ■ Customizable Storage Filling ‣ Fixed Sizes: 100MB, 1GB, 5GB ‣ Percentage-Based: 30%, 60%, 90% ■ Easy Cleanup ‣ All generated files can be deleted instantly with a single tap. Who Can Benefit? ‣ iOS Developers & Testers – Ensure apps function properly in low-storage conditions. ‣ Privacy-Conscious Users – Prevent deleted data from being recovered. ‣ Anyone Needing Storage Control – Experiment with storage management easily. Whether you're testing app performance or securely erasing data, Fill Storage Pro provides a simple and effective solution. Download now and take control of your storage!

Screenshots

UltiCloud4 screens
Fill Storage Pro4 screens

Verdict

The call

The clearest difference is ads: UltiCloud at none against Fill Storage Pro's shown. UltiCloud also leads on update cadence (every 5 days vs every 2 months) and monetization model (free vs ad-supported). On price, rating, ratings volume and in-app purchases 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

On the App Store both sit at effectively the same score — 5.0 for UltiCloud against 5.0 for Fill Storage Pro. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

UltiCloud ships an update every 5 days, Fill Storage Pro every 2 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 6 level
UltiCloud versus Fill Storage Pro: the parameters behind the verdict, then further details
ParameterUltiCloudFill Storage Pro
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Number of ratings11
Update frequencyEvery 5 days — betterEvery 2 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterAd-supported
DevicesiPhoneiPhone
Requires iOS17.016.0 — better
Further details — not scored
Size118 MB13 MB
Age rating4+4+
DeveloperShen zhen ACE Battery Co,LtdArum Communications Corp.

Customer experience

UltiCloud

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Fill Storage Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

UltiCloud

No in-app purchases

None

Fill Storage Pro

No in-app purchases

Questions

Is UltiCloud free?
UltiCloud is free to download, with no in-app purchases.
Is Fill Storage Pro free?
Fill Storage Pro is free to download, with no in-app purchases.
Which has better reviews, UltiCloud or Fill Storage Pro?
UltiCloud and Fill Storage Pro are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do UltiCloud or Fill Storage Pro have ads?
Fill Storage Pro shows ads; UltiCloud does not.
Which is updated more often, UltiCloud or Fill Storage Pro?
UltiCloud ships an update every 5 days, and Fill Storage Pro every 2 months. Most recently, UltiCloud was updated on November 5, 2026 and Fill Storage Pro on October 30, 2026.

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