Comparison

Codex. vs TradeOS Engineer

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

Head to head
About

Codex.

Read full description

An archive, hidden behind a focus timer. Start a session. Watch the hour take shape. When you finish, it becomes part of your archive. a quiet record of the days you showed up. No streaks to maintain. No points to earn. Just your work, collected over time. The timer Choose from Pomodoro, Eisenhower, 52ยท17, HIITT Focus, or build your own. A single arc marks the passing hour. Nothing else competes for your attention. The archive Every session is recorded. Browse by day, by month, by year. Watch the pages fill. The passages As your focus deepens, Codex reveals short literary passages, written reflections on attention, patience, and the quiet work of becoming. Codex Unbound Full access to all features, including the archive and passages. Available monthly or yearly. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://codexbymeridian.netlify.app/privacy

About

TradeOS Engineer

Features
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TradeOS is your smart job management software that lets you run your plumbing and heating business with ease, also works for electricians and other trades. Built by engineers for enginners. Sign up for a demo and we can offer you one of our packages guaranteed to save you money.

Screenshots

Codex.4 screens
TradeOS Engineer4 screens

Verdict

The call

The clearest difference is in-app purchases: TradeOS Engineer at none against Codex.'s 1. Codex.'s advantage is update cadence (every 3 days vs fortnightly) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Codex. sells 1 in-app purchase, starting at $2.99 per month. TradeOS Engineer asks for nothing beyond the download.

UpkeepUpdate frequency

Codex. ships an update every 3 days, TradeOS Engineer fortnightly. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

Scorecard3 real differences ยท 3 level
Codex. versus TradeOS Engineer: the parameters behind the verdict, then further details
ParameterCodex.TradeOS Engineer
PriceFreeFree
Update frequencyEvery 3 days โ€” betterFortnightly
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS13.0 โ€” better15.1
Further details โ€” not scored
Size137 MB45 MB
Age rating4+4+
DeveloperNiels De Jongdaniel betts

In-app purchases

1 purchases

Codex.

Subscriptions1
  • Codex Unbound Monthly7 Days trial$2.991 Month
None

TradeOS Engineer

No in-app purchases

Questions

Is Codex. free?
Codex. is free to download, with in-app purchases available.
Is TradeOS Engineer free?
TradeOS Engineer is free to download, with no in-app purchases.
Do Codex. or TradeOS Engineer have ads?
Neither Codex. nor TradeOS Engineer shows ads.
Which is updated more often, Codex. or TradeOS Engineer?
Codex. ships an update every 3 days, and TradeOS Engineer fortnightly. Most recently, Codex. was updated on October 10, 2026 and TradeOS Engineer on October 7, 2026.

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