# Mystery Number vs Hundreds Chart

The clearest difference is price: Mystery Number at $1.99 against Hundreds Chart's $4.99. Hundreds Chart's advantage is device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement there is nothing between them.

Mystery Number costs $1.99 and Hundreds Chart $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mystery Number ships an update every 14 months, Hundreds Chart every 11 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Mystery Number | Hundreds Chart |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mystery-number/id611106415/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 11 months** |
| Monetization | Paid | — |
| Size | 30 MB | 8 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Aleesha Kondys](https://appshunter.io/developer/478569400) | [Cannonade.Net](https://appshunter.io/developer/326682509) |

## What reviewers say

### Mystery Number

[App page](https://appshunter.io/ios/app/mystery-number/id611106415)

This app offers interactive number-based games and tools for young students to practice concepts like number sense, place value, and counting. It provides digital versions of traditional classroom activities, allowing for individual, partner, or group play with features like number charts, missing number puzzles, and place value manipulatives.

**Highlights:** Digital number line and pocket chart activities, Guess my number and higher/lower games, Missing number puzzles, Place value manipulatives (ten more/less, one more/less), Teacher tool with customizable number charts, Two-player and one-player against computer modes

**Features:** macOS Compatibility

**In-app purchases:** none


### Hundreds Chart

[App page](https://appshunter.io/ios/app/hundreds-chart/id1004899532)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mystery Number free?

Mystery Number costs $1.99, with no in-app purchases.

### Is Hundreds Chart free?

Hundreds Chart costs $4.99, with no in-app purchases.

### Do Mystery Number or Hundreds Chart have ads?

Neither Mystery Number nor Hundreds Chart shows ads.

### Which is updated more often, Mystery Number or Hundreds Chart?

Mystery Number ships an update every 14 months, and Hundreds Chart every 11 months. Most recently, Mystery Number was updated on November 1, 2026 and Hundreds Chart on November 1, 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.*