# LastTimer vs The Core Lab

The clearest difference is price: The Core Lab at Free against LastTimer's $0.99. The Core Lab also leads on ratings volume (177 vs 11) and iOS requirement (13.7 vs 16.0). LastTimer's advantage is ads (none vs shown). On rating, update cadence, in-app purchases and device support there is nothing between them.

The Core Lab is free to download; LastTimer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for LastTimer against 5.0 for The Core Lab. That said, the two scores are not equally well evidenced: The Core Lab has 177 ratings behind it against 11, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | LastTimer | The Core Lab |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/lasttimer/id1571153200/reviews)** | [5.0 (177 ratings)](https://appshunter.io/ios/app/the-core-lab/id6447913575/reviews) |
| Number of ratings | 11 | **177** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Paid | **Ad-supported** |
| Size | 4 MB | 45 MB |
| Requires iOS | 16.0 | **13.7** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matthew weppler](https://appshunter.io/developer/1300055906) | [The Core Lab Group LLC](https://appshunter.io/developer/1682960826) |

## What reviewers say

### LastTimer

[App page](https://appshunter.io/ios/app/lasttimer/id1571153200)

This interval timer app helps you maximize workout efficiency by guiding your training sessions. Create custom timers with prep time, exercise intervals, rest periods, and audio cues. Track progress visually with widgets and live activities.

**Highlights:** Customizable interval timers, Prep time and rest periods, Multiple exercises per cycle, Up to 10 cycles per workout, Audio cues, Home screen widgets, Live Activities integration

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

**In-app purchases:** none


### The Core Lab

[App page](https://appshunter.io/ios/app/the-core-lab/id6447913575)

Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up, make purchases, and access studio information. Optimize your time and enjoy the convenience of managing your fitness on the go.

**Highlights:** View class schedules, Sign up for classes, Make purchases, View ongoing promotions, Access studio locations, Contact studio information

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is LastTimer free?

LastTimer costs $0.99, with no in-app purchases.

### Is The Core Lab free?

The Core Lab is free to download, with no in-app purchases.

### Which has better reviews, LastTimer or The Core Lab?

LastTimer is rated higher. LastTimer averages 5.0 out of 5 from 11 ratings, while The Core Lab averages 5.0 from 177 ratings.

### Do LastTimer or The Core Lab have ads?

The Core Lab shows ads; LastTimer does not.

### Which is updated more often, LastTimer or The Core Lab?

LastTimer ships an update every 3 weeks, and The Core Lab every 3 weeks. Most recently, LastTimer was updated on September 23, 2026 and The Core Lab on September 24, 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.*