# Teaching Number Lines vs iTrace

The clearest difference is rating: iTrace at 4.4 against Teaching Number Lines's 3.0. iTrace also leads on review sentiment (76% vs 50%) and ratings volume (2.5K vs 2). Teaching Number Lines's advantage is iOS requirement (12.0 vs 17.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Teaching Number Lines sells 1 one-off in-app purchase and iTrace sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

iTrace holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: iTrace has 2.5K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 50% of Teaching Number Lines's written reviews are positive against 76% of iTrace's.

Teaching Number Lines ships an update every 6 months, iTrace every 2 months. The most recent releases landed on October 3, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Teaching Number Lines | iTrace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/teaching-number-lines/id492603378/reviews) | **[4.4 (2.5K ratings)](https://appshunter.io/ios/app/itrace-handwriting-practice/id645416621/reviews)** |
| Number of ratings | 2 | **2.5K** |
| Positive reviews | 50.0% of reviews | **76.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 17 MB | 173 MB |
| Requires iOS | **12.0** | 17.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aleesha Kondys](https://appshunter.io/developer/478569400) | [DEVPOCKET LLC](https://appshunter.io/developer/1316880489) |

## What reviewers say

### Teaching Number Lines

[App page](https://appshunter.io/ios/app/teaching-number-lines/id492603378)

This app introduces young students to number lines using interactive frog characters for counting, ordering, addition, and subtraction. It helps visualize numbers and understand mathematical concepts through physical movement and step-by-step examples.

**Highlights:** Interactive number line visualization, Frog characters for steps and leaps, Counting and ordering practice, Addition and subtraction modeling, Skip counting exercises, Sequencing and number placement

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all modules | $0.99 | one-time |


### iTrace

[App page](https://appshunter.io/ios/app/itrace-handwriting-practice/id645416621)

This app helps children learn to write letters, numbers, words, and shapes through guided tracing and playful repetition. It's designed for preschool, kindergarten, and early elementary students to develop handwriting skills and fine-motor control in an engaging way.

**Highlights:** Guided letter and number tracing, Print and cursive writing, Custom word lists with photos/voice, Multiple handwriting styles, Progress tracking, Printable worksheets, Rewards and mini-games

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iTrace Monthly Subscription | $4.99 | per month |
| Unlock Premium Features | $3.99 | one-time |
| Lifetime purchase | $19.99 | one-time |

**What reviewers like**

- 👍 Positive feedback and achievement tracking
- 👍 Excellent visual feedback and positive reinforcement
- 👍 Multi-user support for different learning speeds
- 👍 Perfect blend of learning and play
- 👍 Makes handwriting fun with rewards and stickers

**What reviewers complain about**

- 💰 In-app purchases required to unlock additional content
- 🐛 Sound not working for some users
- 🐛 Family sharing not working properly
- 🐛 Strict letter formation requirements can be frustrating for beginners

**Reported bugs**

- Sound not working after updates
- Inability to restore purchases on multiple devices
- Incorrect letter formation displayed in the app

**Requested features**

- Option to adjust difficulty/letter formation requirements
- Ability to connect cursive letters
- Addition of lowercase letters in the free version
- Ability to set number of letter repetitions


## Frequently asked questions

### Is Teaching Number Lines free?

Teaching Number Lines is free to download, with in-app purchases available.

### Is iTrace free?

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

### Which has better reviews, Teaching Number Lines or iTrace?

iTrace is rated higher. Teaching Number Lines averages 3.0 out of 5 from 2 ratings, while iTrace averages 4.4 from 2.5K ratings.

### Do Teaching Number Lines or iTrace have ads?

Neither Teaching Number Lines nor iTrace shows ads.

### Which is updated more often, Teaching Number Lines or iTrace?

Teaching Number Lines ships an update every 6 months, and iTrace every 2 months. Most recently, Teaching Number Lines was updated on October 3, 2026 and iTrace on October 21, 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.*