Comparison

OneExpert vs CHRONOS

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

Head to head

About

OneExpert

Features

Read full description

Application de prise de photos pour l'expertise automobile.

About

CHRONOS

Features

Read full description

CHRONOS-GA est un ERP de gestion par affaires, créé par CASTELIS, spécialisé dans la gestion du temps des ESN, des bureaux d’études et d’ingénierie. Il vous permet de suivre votre pipe commercial, vos affaires signées et internes, votre production, le planning de vos collaborateurs, et surtout vous facilite votre processus de facturation, vous permet d’aller plus vite et de ne rien oublier, et relance automatiquement vos clients en retard de paiement… Cette application mobile, connecté en temps réel à votre ERP, vous permet ainsi de saisir vos temps, vos notes de frais, de visualiser le planning de votre semaine et de retrouver tous vos contacts internes et externes.

Screenshots

OneExpert4 screens

CHRONOS4 screens

Verdict

The call

The clearest difference is update cadence: OneExpert at monthly against CHRONOS's every 2 months. CHRONOS's advantage is iOS requirement (11.0 vs 15.0). 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

OneExpert ships an update monthly, CHRONOS every 2 months. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 4 level

OneExpert versus CHRONOS: the parameters behind the verdict, then further details
Parameter	OneExpert	CHRONOS
Price	Free	Free
Update frequency	Monthly — better	Every 2 months
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.0	11.0 — better
Further details — not scored
Size	95 MB	19 MB
Age rating	4+	4+
Developer	Absix	CASTELIS

In-app purchases

None

OneExpert

No in-app purchases

None

CHRONOS

No in-app purchases

Questions

Is OneExpert free?

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

Is CHRONOS free?

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

Do OneExpert or CHRONOS have ads?

Neither OneExpert nor CHRONOS shows ads.

Which is updated more often, OneExpert or CHRONOS?

OneExpert ships an update monthly, and CHRONOS every 2 months. Most recently, OneExpert was updated on October 3, 2026 and CHRONOS on October 9, 2026.