Comparison

DiveCodes vs Cylindex

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

Head to head

Fire File

Cylindex.Fast, Cylinder Checks

Free

🔧 Utilities

No ratingsView app →

About

DiveCodes

Features

Read full description

DiveCodes allows for records management for dive teams. Made by Fire File, DiveCodes is currently used by dive teams to track incidents, personnel records, equipment, training, and more.

About

Cylindex

Features

Read full description

Cylindex: Your Free Cylinder Inspection Tool Cylindex makes high-pressure cylinder inspections easy and efficient. This free app from Cylinder Training Services helps you: Inspect: Step-by-step guidance for thorough visual checks. Record: Ditch the paperwork! Log inspection data electronically. Report: Generate detailed PDF reports in seconds. Manage: Store, search, and share inspection records with ease. Stay safe and compliant with Cylindex! Features: User-friendly interface Comprehensive inspection forms Cloud-based storage PDF report generation Offline access Cylindex Premium Annual: $6/month or $59.99/year Auto-renews unless canceled at least 24 hours before the end of the period https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Manage or cancel subscriptions in your Apple ID settings.

Screenshots

DiveCodes1 screens

Cylindex3 screens

Verdict

The call

The clearest difference is in-app purchases: DiveCodes at none against Cylindex's 1. Cylindex's advantage is update cadence (every 6 weeks vs every 23 months) and iOS requirement (15.0.0 vs 17.0). On price, ads 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. Cylindex sells 1 in-app purchase, starting at $59.99 per year. DiveCodes asks for nothing beyond the download.

UpkeepUpdate frequency

DiveCodes ships an update every 23 months, Cylindex every 6 weeks. The most recent releases landed on October 27, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 3 level

DiveCodes versus Cylindex: the parameters behind the verdict, then further details
Parameter	DiveCodes	Cylindex
Price	Free	Free
Update frequency	Every 23 months	Every 6 weeks — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPad	iPhone, iPod
Requires iOS	17.0	15.0.0 — better
Further details — not scored
Size	99 MB	86 MB
Age rating	4+	4+
Developer	Christopher Konash	Cylindex

In-app purchases

None

DiveCodes

No in-app purchases

1 purchases

Cylindex

Subscriptions1

Cylindex Premium$59.991 Year

Questions

Is DiveCodes free?

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

Is Cylindex free?

Cylindex is free to download, with in-app purchases available.

Do DiveCodes or Cylindex have ads?

Neither DiveCodes nor Cylindex shows ads.

Which is updated more often, DiveCodes or Cylindex?

DiveCodes ships an update every 23 months, and Cylindex every 6 weeks. Most recently, DiveCodes was updated on October 27, 2026 and Cylindex on November 4, 2026.