# CallTime vs QuantaTime

The clearest difference is update cadence: CallTime at every 2 weeks against QuantaTime's every 11 months. CallTime also leads on iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CallTime sells 7 in-app purchases, starting at $2.99 per 7 days and QuantaTime sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

CallTime ships an update every 2 weeks, QuantaTime every 11 months. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CallTime | QuantaTime |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (7 ratings)](https://appshunter.io/ios/app/calltime-call-sheets-and-pay/id6737626890/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 11 months |
| Monetization | Freemium | — |
| Size | 60 MB | 18 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [CallTIme LLC](https://appshunter.io/developer/1751720494) | [Talon Strike Software](https://appshunter.io/developer/558604945) |

## What reviewers say

### CallTime

[App page](https://appshunter.io/ios/app/calltime-call-sheets-and-pay/id6737626890)

Effortlessly track your work hours and daily events to enhance organization and productivity. This tool helps you stay on top of your schedule and manage your time effectively.

**Highlights:** Work time tracking, Daily event logging, Productivity enhancement, Organizational tool, Schedule management

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CallTime Pro Weekly | $2.99 | per 7 days |
| Premium Monthly | $7.99 | per month |
| Premium monthly (discount) | $7.99 | per month |
| Premium Yearly | $79.99 | per year |
| Exploding Offer LifeTime #1 | $159.99 | one-time |
| Exploding Offer LifeTime 2 | $199.99 | one-time |
| Early Founder Club | $299.99 | one-time |


### QuantaTime

[App page](https://appshunter.io/ios/app/quantatime/id6742660826)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Quarterly | $2.99 | per 3 months |
| Yearly | $5.99 | per year |
| Lifetime | $12.99 | one-time |


## Frequently asked questions

### Is CallTime free?

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

### Is QuantaTime free?

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

### Do CallTime or QuantaTime have ads?

Neither CallTime nor QuantaTime shows ads.

### Which is updated more often, CallTime or QuantaTime?

CallTime ships an update every 2 weeks, and QuantaTime every 11 months. Most recently, CallTime was updated on October 20, 2026 and QuantaTime on October 16, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*