Comparison

SAFE4.0 vs ImageConverter

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

Head to head

About

SAFE4.0

This application enhances the security of a specific safe by monitoring its status. It detects events like opening, impact, and movement, sending real-time alerts to your device.

Highlights

IoT security monitoring
Detects safe opening
Detects safe impact
Detects safe movement
Transmits alerts to app

Features

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"SAFE4.0 is a differentiated IoT application of [diplomat safe]. IoT functions enhance the security of the safe by detecting the opening, impact, and movement of the safe and transmitting it to the App."

About

ImageConverter

Features

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사진을 원하는 형식과 크기로 바꿉니다. 사진을 고르고, 형식을 정하고, 변환 버튼을 누르면 끝입니다. ■ 다섯 가지 형식 JPEG, PNG, HEIC, TIFF, PDF로 변환합니다. 여러 장을 선택하면 PDF 한 권으로 묶을 수 있습니다. ■ 크기와 용량 조절 · 긴 변 기준으로 픽셀 수 지정 · 비율로 축소 · 목표 용량에 맞추기 (예: 1MB 이하) 품질 슬라이더로 화질과 용량의 균형을 직접 정할 수 있습니다. ■ 확장자만 바꾸기 .jpeg를 .jpg로 바꿔야 할 때, 이미지를 다시 압축하지 않고 확장자만 바꿉니다. 화질이 전혀 떨어지지 않습니다. ■ 위치·촬영 정보 제거 사진에 남아 있는 촬영 위치, 날짜, 기기 정보를 결과 파일에서 지웁니다. 사진을 인터넷에 올리기 전에 켜 두면 좋습니다. ■ 저장과 공유 파일 앱, 사진 앨범, 공유 시트 세 가지로 내보냅니다. iCloud Drive를 비롯해 기기에 설치된 모든 저장 위치를 쓸 수 있습니다. ■ 사진은 기기 밖으로 나가지 않습니다 모든 변환은 아이폰 안에서 이루어집니다. 사진을 서버로 보내지 않으며 회원가입도 필요 없습니다.

Screenshots

SAFE4.04 screens

ImageConverter4 screens

Verdict

The call

The clearest difference is ads: SAFE4.0 at none against ImageConverter's shown. ImageConverter's advantage is update cadence (every 4 days vs every 2 months). On price, in-app purchases, device support and iOS requirement 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

SAFE4.0 ships an update every 2 months, ImageConverter every 4 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

Scorecard2 real differences · 6 level

SAFE4.0 versus ImageConverter: the parameters behind the verdict, then further details
Parameter	SAFE4.0	ImageConverter
Price	Free	Free
Positive reviews	25.0% of reviews	—
Update frequency	Every 2 months	Every 4 days — better
Ads	No — better	Yes
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.6	15.0 — better
Further details — not scored
Size	29 MB	6 MB
Age rating	4+	4+
Developer	Daejeong Kim	Dae-geun Choi

In-app purchases

None

SAFE4.0

No in-app purchases

None

ImageConverter

No in-app purchases

Questions

Is SAFE4.0 free?

SAFE4.0 is free to download, with no in-app purchases.

Is ImageConverter free?

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

Do SAFE4.0 or ImageConverter have ads?

ImageConverter shows ads; SAFE4.0 does not.

Which is updated more often, SAFE4.0 or ImageConverter?

SAFE4.0 ships an update every 2 months, and ImageConverter every 4 days. Most recently, SAFE4.0 was updated on October 24, 2026 and ImageConverter on October 8, 2026.