Comparison

Soulsfeng vs iGrono

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

Head to head
About

Soulsfeng

Features
Read full description

This app is designed for Bluetooth devices. The functions include control of heated shoes, heated socks,and heated garment. Realize gear control and view partial information through Bluetooth connection.

About

iGrono

Features
Read full description

iGrono is the companion app for iGrono smart kids' electric toothbrushes, designed to help parents guide children toward better oral-care habits. With iGrono, parents can connect and manage their child's smart toothbrush, track brushing activity, set personalized brushing goals, and make daily brushing more engaging through challenges and rewards. Smart Toothbrush Management Easily connect your iGrono toothbrush and manage device settings from the app. Customize toothpaste dispensing, cleaning modes, brushing duration, and volume settings to suit your child's needs. Track Brushing Habits View daily brushing activity and review brushing history through an easy-to-understand calendar. Weekly and monthly views help parents better understand their child's brushing routine and encourage consistent habits. Personalized Brushing Settings Choose from different cleaning modes and brushing durations based on your child's age and oral-care needs. The app also provides guidance on recommended toothpaste amounts and brushing settings. Goals & Rewards Turn brushing into a fun daily challenge. Parents can create brushing goals such as 7-day, 14-day, or 21-day challenges and set rewards to motivate children to keep brushing consistently. Family Device Sharing Share a connected toothbrush with family members, allowing them to view brushing data and remotely control the device when authorized. Keep Your Device Up to Date Update your toothbrush firmware through the app to access the latest improvements and enhancements. iGrono connects smart technology, brushing data, goals, and positive encouragement to make daily brushing easier and more engaging for childrenβ€”and more manageable for parents.

Screenshots

Soulsfeng4 screens
iGrono4 screens

Verdict

The call

The clearest difference is update cadence: iGrono at every 5 days against Soulsfeng's every 5 weeks. Soulsfeng's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

Soulsfeng ships an update every 5 weeks, iGrono every 5 days. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

Scorecard3 real differences Β· 3 level
Soulsfeng versus iGrono: the parameters behind the verdict, then further details
ParameterSoulsfengiGrono
PriceFreeFree
Update frequencyEvery 5 weeksEvery 5 days β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS15.0 β€” better17.6
Further details β€” not scored
Size24 MB28 MB
Age rating4+17+
Developerι€’ζ˜₯ ι»„Suzhou Fenggan Technology Co., Ltd.

In-app purchases

None

Soulsfeng

No in-app purchases

None

iGrono

No in-app purchases

Questions

Is Soulsfeng free?
Soulsfeng is free to download, with no in-app purchases.
Is iGrono free?
iGrono is free to download, with no in-app purchases.
Do Soulsfeng or iGrono have ads?
Neither Soulsfeng nor iGrono shows ads.
Which is updated more often, Soulsfeng or iGrono?
Soulsfeng ships an update every 5 weeks, and iGrono every 5 days. Most recently, Soulsfeng was updated on October 27, 2026 and iGrono on October 24, 2026.

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