# Plank Stopwatch Timer vs Delta

The clearest difference is price: Delta at Free against Plank Stopwatch Timer's $2.99. Delta also leads on update cadence (every 11 days vs every 32 months). Plank Stopwatch Timer's advantage is in-app purchases (none vs 1) and rating (4.5 vs 4.0). On ads and device support there is nothing between them.

Delta is free to download; Plank Stopwatch Timer costs $2.99 up front. Delta sells 1 one-off in-app purchase. Plank Stopwatch Timer asks for nothing beyond the download.

Plank Stopwatch Timer holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Plank Stopwatch Timer has 11 ratings behind it against 2, so its average is the more settled of the two.

Plank Stopwatch Timer ships an update every 32 months, Delta every 11 days. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Plank Stopwatch Timer | Delta |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.5 (11 ratings)](https://appshunter.io/ios/app/plank-stopwatch-timer/id1239667181/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/delta-tdee-tracker/id6753978074/reviews) |
| Number of ratings | **11** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 11 days** |
| Monetization | Paid | **Free** |
| Size | 41 MB | 17 MB |
| Requires iOS | **14.7** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [RhythmicWorks](https://appshunter.io/developer/977154427) | [Marcel Timm](https://appshunter.io/developer/1846068948) |

## What reviewers say

### Plank Stopwatch Timer

[App page](https://appshunter.io/ios/app/plank-stopwatch-timer/id1239667181)

This app provides a specialized stopwatch and timer for plank exercises. It verbally announces elapsed time intervals or remaining time, allowing users to focus on their workout without constantly checking their screen.

**Highlights:** Voice announcements for elapsed time, Voice announcements for remaining time, Customizable time intervals, Focus on core muscles, Reduces time anxiety

**Features:** macOS Compatibility

**In-app purchases:** none


### Delta

[App page](https://appshunter.io/ios/app/delta-tdee-tracker/id6753978074)

This app calculates your actual daily energy expenditure (TDEE) based on your logged weight and calorie intake, moving beyond generic formulas. It provides personalized calorie targets for cutting, maintaining, or bulking, adapting over time for increased accuracy.

**Highlights:** Daily weight and calorie logging, Adaptive TDEE calculation, 28-day smoothing for stable targets, Goal-based calorie targets, Apple Health integration, Daily logging reminders

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delta Unlimited | $2.99 | one-time |


## Frequently asked questions

### Is Plank Stopwatch Timer free?

Plank Stopwatch Timer costs $2.99, with no in-app purchases.

### Is Delta free?

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

### Which has better reviews, Plank Stopwatch Timer or Delta?

Plank Stopwatch Timer is rated higher. Plank Stopwatch Timer averages 4.5 out of 5 from 11 ratings, while Delta averages 4.0 from 2 ratings.

### Do Plank Stopwatch Timer or Delta have ads?

Neither Plank Stopwatch Timer nor Delta shows ads.

### Which is updated more often, Plank Stopwatch Timer or Delta?

Plank Stopwatch Timer ships an update every 32 months, and Delta every 11 days. Most recently, Plank Stopwatch Timer was updated on November 2, 2026 and Delta on October 30, 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.*