Comparison

SOLIS 4GS DIVE LOG vs CCRtools

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

Head to head

About

SOLIS 4GS DIVE LOG

This application allows users to transfer and view dive logs from SOLIS 4GS devices. It provides a digital platform for managing and accessing your diving data.

Highlights

Transfer dive logs
View dive logs
Manage diving data
SOLIS 4GS device compatibility

Read full description

This is an app for transferring and viewing Dive logs from SOLIS 4GS.

About

CCRtools

Read full description

CCRtools is application for closed-circuit rebreather (CCR) divers. CCRtools helps you prepare for dives safely with checklists, gas blending calculations, O₂ sensor tracking, and standard diving calculators. Checklists can be downloaded, created or modified and can contain checks, values to enter and timers. The sensor log supports up to five O₂ sensors displaying the trend of linearity.

Screenshots

SOLIS 4GS DIVE LOG3 screens

CCRtools4 screens

Verdict

The call

The clearest difference is update cadence: CCRtools at fortnightly against SOLIS 4GS DIVE LOG's every 4 months. SOLIS 4GS DIVE LOG's advantage is iOS requirement (16.0 vs 18.2). On price, ads, in-app purchases and device support 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

SOLIS 4GS DIVE LOG ships an update every 4 months, CCRtools fortnightly. The most recent releases landed on October 9, 2026 and October 12, 2026 respectively.

Scorecard2 real differences · 6 level

SOLIS 4GS DIVE LOG versus CCRtools: the parameters behind the verdict, then further details
Parameter	SOLIS 4GS DIVE LOG	CCRtools
Price	Free	Free
Positive reviews	0.0% of reviews	—
Update frequency	Every 4 months	Fortnightly — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone	iPhone, iPad — better
Requires iOS	16.0 — better	18.2
Further details — not scored
Size	38 MB	1 MB
Age rating	4+	4+
Developer	Bism CORPORATION	Kai-Uwe Sattler

In-app purchases

None

SOLIS 4GS DIVE LOG

No in-app purchases

None

CCRtools

No in-app purchases

Questions

Is SOLIS 4GS DIVE LOG free?

SOLIS 4GS DIVE LOG is free to download, with no in-app purchases.

Is CCRtools free?

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

Do SOLIS 4GS DIVE LOG or CCRtools have ads?

Neither SOLIS 4GS DIVE LOG nor CCRtools shows ads.

Which is updated more often, SOLIS 4GS DIVE LOG or CCRtools?

SOLIS 4GS DIVE LOG ships an update every 4 months, and CCRtools fortnightly. Most recently, SOLIS 4GS DIVE LOG was updated on October 9, 2026 and CCRtools on October 12, 2026.