Comparison

iSPHINX vs ESP BOX

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

Head to head

About

iSPHINX

Features

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iSPHINX App is a cloud access control client APP based on SPHINX server, which is designed to facilitate the management of company access personnel. Has the following characteristics: 1. Inquire about the access control card event and the opening device event anytime and anywhere. 2. Manage the access rights of the access control system personnel anytime and anywhere. 3. The remote support opens the door. 4. The statistics of regional personnel are clear at a glance. 5, open the door quickly, one button to open the common door points. 6, arming and disarming anytime, anywhere.

About

ESP BOX

Features

Read full description

ESP-BOX is a voice assistance management APP released by Espressif Systems, combined with Espressif’s AIoT development boards ESP32-S3-BOX and ESP32-S3-BOX-Lite, user can define preferred voice commands and GPIO pins in parallel with using offline speech recognition. ESP-BOX APP is based on the public Rainmaker deployment server.

Screenshots

iSPHINX4 screens

ESP BOX4 screens

Verdict

The call

iSPHINX and ESP BOX are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

iSPHINX ships an update every 14 months, ESP BOX every 16 months. The most recent releases landed on September 17, 2026 and August 29, 2026 respectively.

ScorecardNo meaningful differences

iSPHINX versus ESP BOX: the parameters behind the verdict, then further details
Parameter	iSPHINX	ESP BOX
Price	Free	Free
Update frequency	Every 14 months — better	Every 16 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	5 MB	31 MB
Age rating	4+	4+
Developer	SHENZHEN KEYKING TECHNOLOGY CO.,LTD.	ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD.

In-app purchases

None

iSPHINX

No in-app purchases

None

ESP BOX

No in-app purchases

Questions

Is iSPHINX free?

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

Is ESP BOX free?

ESP BOX is free to download, with no in-app purchases.

Do iSPHINX or ESP BOX have ads?

Neither iSPHINX nor ESP BOX shows ads.

Which is updated more often, iSPHINX or ESP BOX?

iSPHINX ships an update every 14 months, and ESP BOX every 16 months. Most recently, iSPHINX was updated on September 17, 2026 and ESP BOX on August 29, 2026.