# Place Value Subtraction vs Math Clock, by MLC

The clearest difference is price: Math Clock, by MLC at Free against Place Value Subtraction's $3.99. Math Clock, by MLC also leads on update cadence (every 6 months vs every 21 months) and ratings volume (10 vs 1). Place Value Subtraction's advantage is rating (5.0 vs 4.1). On ads, in-app purchases and device support there is nothing between them.

Math Clock, by MLC is free to download; Place Value Subtraction costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Place Value Subtraction holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Math Clock, by MLC has 10 ratings behind it against 1, so its average is the more settled of the two.

Place Value Subtraction ships an update every 21 months, Math Clock, by MLC every 6 months. The most recent releases landed on August 22, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Place Value Subtraction | Math Clock, by MLC |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/place-value-subtraction/id1254467237/reviews)** | [4.1 (10 ratings)](https://appshunter.io/ios/app/math-clock-by-mlc/id1444666967/reviews) |
| Number of ratings | 1 | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 months** |
| Monetization | Paid | **Free** |
| Size | 0 MB | 5 MB |
| Requires iOS | 17.6 | **14.7** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Esa Helttula](https://appshunter.io/developer/339440196) | [The Math Learning Center](https://appshunter.io/developer/1542700905) |

## What reviewers say

### Place Value Subtraction

[App page](https://appshunter.io/ios/app/place-value-subtraction/id1254467237)

This math app visually demonstrates subtraction using place value discs. It helps users understand regrouping and the base-ten system through interactive problems with 1-3 digits.

**Highlights:** Visual subtraction with place value discs, Supports 1-3 digit numbers, Random problem generation, Customizable problems, Focuses on regrouping concepts

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Clock, by MLC

[App page](https://appshunter.io/ios/app/math-clock-by-mlc/id1444666967)

This app helps students master telling time and understanding fractions using interactive analog clocks. It offers tools for visualizing time intervals, solving story problems, and exploring fractional parts of an hour with various denominators. Students can also use drawing and annotation features to demonstrate their understanding.

**Highlights:** Interactive analog clocks with geared or free-moving hands, Live clock with second hand and digital time display, Elapsed time tool for interval problems, Fraction overlays for visualizing parts of an hour, Drawing and annotation tools, Save and share work via image or code

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Place Value Subtraction free?

Place Value Subtraction costs $3.99, with no in-app purchases.

### Is Math Clock, by MLC free?

Math Clock, by MLC is free to download, with no in-app purchases.

### Which has better reviews, Place Value Subtraction or Math Clock, by MLC?

Place Value Subtraction is rated higher. Place Value Subtraction averages 5.0 out of 5 from 1 ratings, while Math Clock, by MLC averages 4.1 from 10 ratings.

### Do Place Value Subtraction or Math Clock, by MLC have ads?

Neither Place Value Subtraction nor Math Clock, by MLC shows ads.

### Which is updated more often, Place Value Subtraction or Math Clock, by MLC?

Place Value Subtraction ships an update every 21 months, and Math Clock, by MLC every 6 months. Most recently, Place Value Subtraction was updated on August 22, 2026 and Math Clock, by MLC on October 1, 2026.

---

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