# Time Calculator Premium vs Altly

The clearest difference is update cadence: Altly at fortnightly against Time Calculator Premium's every 6 months. Altly also leads on price ($1.99 vs $3.99). Time Calculator Premium's advantage is iOS requirement (15.6 vs 26.0). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Time Calculator Premium costs $3.99 and Altly $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Time Calculator Premium ships an update every 6 months, Altly fortnightly. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Time Calculator Premium | Altly |
| --- | --- | --- |
| Price | $3.99 | **$1.99** |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/time-calculator-premium/id1048440277/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | **68.8% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 5 MB | 42 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Adrien Brecheteau](https://appshunter.io/developer/956859837) | [Benjamin GODARD](https://appshunter.io/developer/1202933179) |

## What reviewers say

### Time Calculator Premium

[App page](https://appshunter.io/ios/app/time-calculator-premium/id1048440277)

Easily add and subtract hours and minutes without complex conversions. This app remembers your calculations and allows for large hour amounts, plus decimal conversion. The premium version offers multiplication and division of time values.

**Highlights:** Add and subtract hours/minutes, Decimal time conversion, Save calculations, Multiply/divide time values, Ad-free experience

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

**In-app purchases:** none


### Altly

[App page](https://appshunter.io/ios/app/altly/id6761809139)

Instantly view your current altitude and elevation with a clean, modern interface. It also displays your location on a map, coordinates, place name, and nearby peaks. Supports Apple Watch and unit switching for global usability.

**Highlights:** Live altitude and elevation, Map view with location and coordinates, Nearby peaks identification, Meters/feet unit switching, Apple Watch app and complications, VoiceOver and Dynamic Type support

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Time Calculator Premium free?

Time Calculator Premium costs $3.99, with no in-app purchases.

### Is Altly free?

Altly costs $1.99, with no in-app purchases.

### Do Time Calculator Premium or Altly have ads?

Neither Time Calculator Premium nor Altly shows ads.

### Which is updated more often, Time Calculator Premium or Altly?

Time Calculator Premium ships an update every 6 months, and Altly fortnightly. Most recently, Time Calculator Premium was updated on November 2, 2026 and Altly on November 5, 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.*