Comparison

Overtime Calculator plus vs VOLTA ENERGY

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

Head to head

Overtime Calculator plus

About

Overtime Calculator plus

Features

Read full description

Overtime Calculator app allowing you to calculate your over time easily so you will save your time specially if you are accountant this app will be your favourite tool enjoy ..

About

VOLTA ENERGY

Read full description

VOLTA ENERGY can display real-time energy capacity, charging and discharging status, alarm status, and temperature information, making energy use safer.

Screenshots

Overtime Calculator plus4 screens

VOLTA ENERGY3 screens

Verdict

The call

The clearest difference is update cadence: VOLTA ENERGY at every 2 days against Overtime Calculator plus's every 17 months. Overtime Calculator plus's advantage is iOS requirement (11.0 vs 13.0). 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

Overtime Calculator plus ships an update every 17 months, VOLTA ENERGY every 2 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 4 level

Overtime Calculator plus versus VOLTA ENERGY: the parameters behind the verdict, then further details
Parameter	Overtime Calculator plus	VOLTA ENERGY
Price	Free	Free
Update frequency	Every 17 months	Every 2 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	11.0 — better	13.0
Further details — not scored
Size	31 MB	10 MB
Age rating	4+	4+
Developer	AMAR AWNI	胜周

In-app purchases

None

Overtime Calculator plus

No in-app purchases

None

VOLTA ENERGY

No in-app purchases

Questions

Is Overtime Calculator plus free?

Overtime Calculator plus is free to download, with no in-app purchases.

Is VOLTA ENERGY free?

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

Do Overtime Calculator plus or VOLTA ENERGY have ads?

Neither Overtime Calculator plus nor VOLTA ENERGY shows ads.

Which is updated more often, Overtime Calculator plus or VOLTA ENERGY?

Overtime Calculator plus ships an update every 17 months, and VOLTA ENERGY every 2 days. Most recently, Overtime Calculator plus was updated on November 3, 2026 and VOLTA ENERGY on November 4, 2026.