Comparison

Four vs ANNTO

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

Head to head
About

Four

Features
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1. After logging in to the APP, you can simultaneously view the devices installed in the sensor cloud platform; 2. After the account obtains the corresponding permissions, it can edit and delete the installed equipment and other management operations; 3. After switching the video device, you can view, play back and capture the installed video device in real time; 4. When the device has an alarm, the alarm will be displayed in the device alarm column, and it will also be pushed to the mobile phone through the message; 5.The APP also provides functions such as notification announcement, message setting, language setting, beginner's guide, and personal information editing.

About

ANNTO

Features
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ANNTO is an AGV supporting APP. Through the APP, you can query the detailed information of the AGV, set parameters, and also support firmware upgrades and other functions.

Screenshots

Four3 screens
ANNTO4 screens

Verdict

The call

The clearest difference is update cadence: ANNTO at monthly against Four's every 2 months. On price, ads, in-app purchases and device support 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

Four ships an update every 2 months, ANNTO monthly. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard1 real difference Β· 5 level
Four versus ANNTO: the parameters behind the verdict, then further details
ParameterFourANNTO
PriceFreeFree
Update frequencyEvery 2 monthsMonthly β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS12.011.0 β€” better
Further details β€” not scored
Size58 MB33 MB
Age rating17+17+
DeveloperXiamen Sixin IoT Technology Co., Ltd.Lebi Computer Technology Co. Ltd.

In-app purchases

None

Four

No in-app purchases

None

ANNTO

No in-app purchases

Questions

Is Four free?
Four is free to download, with no in-app purchases.
Is ANNTO free?
ANNTO is free to download, with no in-app purchases.
Do Four or ANNTO have ads?
Neither Four nor ANNTO shows ads.
Which is updated more often, Four or ANNTO?
Four ships an update every 2 months, and ANNTO monthly. Most recently, Four was updated on October 27, 2026 and ANNTO on October 30, 2026.

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