# Linus vs CountItBack

The clearest difference is review sentiment: Linus at 68% against CountItBack's 0%. CountItBack's advantage is ads (none vs shown). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Linus sells 14 in-app purchases, starting at $24.99 per 3 months and CountItBack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Linus ships an update every 11 days, CountItBack every 10 days. The most recent releases landed on October 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Linus | CountItBack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (759 ratings)](https://appshunter.io/ios/app/linus-digital-sat-prep/id6740494483/reviews)** | — |
| Number of ratings | **759** | — |
| Positive reviews | **68.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 11 days | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 93 MB | 5 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Linus Labs, Inc.](https://appshunter.io/developer/1790246412) | [Doug Hicks](https://appshunter.io/developer/1852838382) |

## What reviewers say

### Linus

[App page](https://appshunter.io/ios/app/linus-digital-sat-prep/id6740494483)

This app offers a gamified approach to preparing for the new Digital SAT. It provides targeted practice for Math, Vocabulary, and Reading sections, with features like daily quests and progress tracking to make studying engaging and effective.

**Highlights:** Gamified learning with quests and streaks, Simulates Bluebook testing experience, Targeted Math, Vocabulary, and Reading practice, Smart study planner for bite-sized lessons, Instant feedback on answers, Progress tracking

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Quarterly | $24.99 | per 3 months |
| Turbo | $24.99 | per month |
| Turbo | $24.99 | per month |
| Premium Yearly | $49.99 | per year |
| Turbo Monthly | $99.00 | per month |
| Turbo Monthly | $100.00 | per month |
| Turbo | $149.99 | per year |
| Turbo | $149.99 | per year |
| Turbo | $150.00 | per month |
| Linus Premium | $249.00 | per 3 months |
| Turbo Yearly | $499.00 | per year |
| Turbo | $500.00 | per year |
| Turbo Yearly | $600.00 | per year |
| SAT Test Date Access | $79.00 | one-time |

**What reviewers like**

- 💪 Perfect app
- 👍 Nice game
- 👍 Enjoyable!
- 👍 Best SAT app
- 👍 Easily the BEST FREE SAT Resource out there!

**Requested features**

- Personalized practice
- Practice tests


### CountItBack

[App page](https://appshunter.io/ios/app/countitback/id6758110677)

Master counting back change with interactive lessons and practice modes. This app offers realistic training for cashier jobs or improving mental math skills. It features a clean, professional design suitable for adults.

**Highlights:** Interactive lessons, Step-by-step guidance, Practice modes (no pressure, timed challenges), Realistic transaction simulation, Multiple difficulty levels, Split tender scenarios, Leaderboards

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |


## Frequently asked questions

### Is Linus free?

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

### Is CountItBack free?

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

### Do Linus or CountItBack have ads?

Linus shows ads; CountItBack does not.

### Which is updated more often, Linus or CountItBack?

Linus ships an update every 11 days, and CountItBack every 10 days. Most recently, Linus was updated on October 14, 2026 and CountItBack 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.*