# 1st Calc vs Twenty frame for iPad

The clearest difference is rating: 1st Calc at 3.3 against Twenty frame for iPad's 1.0. 1st Calc also leads on price ($0.99 vs $3.99) and device support (3 vs 1). Twenty frame for iPad's advantage is update cadence (every 13 months vs every 50 months) and iOS requirement (6.0 vs 15.6). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

1st Calc costs $0.99 and Twenty frame for iPad $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

1st Calc holds the better App Store score, 3.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

1st Calc ships an update every 50 months, Twenty frame for iPad every 13 months. The most recent releases landed on October 23, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | 1st Calc | Twenty frame for iPad |
| --- | --- | --- |
| Price | **$0.99** | $3.99 |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/1st-calc/id546843701/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/twenty-frame-for-ipad/id556083423/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 13 months** |
| Monetization | Paid | Paid |
| Size | 9 MB | 18 MB |
| Requires iOS | 15.6 | **6.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [medienwerkstatt](https://appshunter.io/developer/322110992) | [Christian Urff](https://appshunter.io/developer/415894463) |

## What reviewers say

### 1st Calc

[App page](https://appshunter.io/ios/app/1st-calc/id546843701)

This app provides a visual abacus-style bead frame to help primary school children learn numbers up to 100. It supports addition and subtraction practice, making math more engaging and helping to prevent learning disabilities.

**Highlights:** Abacus-style bead frame, Learn numbers up to 100, Addition and subtraction practice, Customizable bead colors, Optional live cam background

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Twenty frame for iPad

[App page](https://appshunter.io/ios/app/twenty-frame-for-ipad/id556083423)

This virtual math manipulative helps children understand basic addition and subtraction through interactive exploration. Users can manipulate double-sided counters in a five-structured twenty frame to visualize mathematical concepts, aiding comprehension, especially for those with dyscalculia.

**Highlights:** Virtual math manipulative, Explore addition and subtraction, Manipulate double-sided counters, Visualize mathematical concepts, Supports children with dyscalculia

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1st Calc free?

1st Calc costs $0.99, with no in-app purchases.

### Is Twenty frame for iPad free?

Twenty frame for iPad costs $3.99, with no in-app purchases.

### Which has better reviews, 1st Calc or Twenty frame for iPad?

1st Calc is rated higher. 1st Calc averages 3.3 out of 5 from 3 ratings, while Twenty frame for iPad averages 1.0 from 1 ratings.

### Do 1st Calc or Twenty frame for iPad have ads?

Neither 1st Calc nor Twenty frame for iPad shows ads.

### Which is updated more often, 1st Calc or Twenty frame for iPad?

1st Calc ships an update every 50 months, and Twenty frame for iPad every 13 months. Most recently, 1st Calc was updated on October 23, 2026 and Twenty frame for iPad 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.*