# ABA vs LOGO 2

The clearest difference is update cadence: LOGO 2 at every 6 months against ABA's every 72 months. ABA's advantage is price ($0.99 vs $2.99) and iOS requirement (8.0 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

ABA costs $0.99 and LOGO 2 $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ABA ships an update every 72 months, LOGO 2 every 6 months. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | ABA | LOGO 2 |
| --- | --- | --- |
| Price | **$0.99** | $2.99 |
| Rating | **[4.2 (32 ratings)](https://appshunter.io/ios/app/aba-problem-solving-what-does-not-belong/id450990906/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 72 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 37 MB | 36 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Innovative Mobile Apps](https://appshunter.io/developer/420345423) | [profax Verlag AG](https://appshunter.io/developer/1238219692) |

## What reviewers say

### ABA

[App page](https://appshunter.io/ios/app/aba-problem-solving-what-does-not-belong/id450990906)

This app helps young children develop problem-solving skills by identifying the item that doesn't belong in a group of four. It uses real photographs and customizable content to teach concepts like colors, shapes, and characteristics in an engaging, multi-sensory way.

**Highlights:** Identify the item that doesn't belong, Teaches colors, shapes, and characteristics, Add custom voice and items, Uses real photographs, Dynamic difficulty adjustment, Multi-sensory learning

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great for special needs students
- 💡 Highly customizable options
- 🧠 Good for critical thinking
- 🧩 Useful for problem-solving
- 🗣️ Helps with vocabulary

**What reviewers complain about**

- 🐛 App stalls after updates
- 🐛 Crashes on concept level
- 🐛 Voiceover mispronunciation
- 🐛 Inappropriate image (marijuana leaf)
- 🐛 Visuals are horrible/ugly

**Reported bugs**

- Won't let me out of touch and learn segment
- Stalls after 3 or 4 pages
- Crashes on the concept level
- Voiceover mispronounces 'belong'
- One of the shapes is a marijuana leaf

**Requested features**

- Add accuracy percentage counter for documentation
- Add data collection system
- Create something with more vivid colors
- Make it much harder
- Make it more interesting to a toddler


### LOGO 2

[App page](https://appshunter.io/ios/app/logo-2-discover/id1248779820)

**In-app purchases:** none


## Frequently asked questions

### Is ABA free?

ABA costs $0.99, with no in-app purchases.

### Is LOGO 2 free?

LOGO 2 costs $2.99, with no in-app purchases.

### Do ABA or LOGO 2 have ads?

Neither ABA nor LOGO 2 shows ads.

### Which is updated more often, ABA or LOGO 2?

ABA ships an update every 72 months, and LOGO 2 every 6 months. Most recently, ABA was updated on October 15, 2026 and LOGO 2 on October 13, 2026.

---

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