# Skills® LogBook vs TallyFlex

The clearest difference is review sentiment: TallyFlex at 64% against Skills® LogBook's 14%. TallyFlex also leads on rating (4.3 vs 1.9) and update cadence (every 10 days vs every 2 months). Skills® LogBook's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. TallyFlex sells 2 in-app purchases, starting at $27.99 per month. Skills® LogBook asks for nothing beyond the download.

TallyFlex holds the better App Store score, 4.3 against 1.9. That said, the two scores are not equally well evidenced: TallyFlex has 88 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 14% of Skills® LogBook's written reviews are positive against 64% of TallyFlex's.

Skills® LogBook ships an update every 2 months, TallyFlex every 10 days. The most recent releases landed on September 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Skills® LogBook | TallyFlex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.9 (7 ratings)](https://appshunter.io/ios/app/skills-logbook/id906139997/reviews) | **[4.3 (88 ratings)](https://appshunter.io/ios/app/tallyflex-aba-data-collection/id1531412972/reviews)** |
| Number of ratings | 7 | **88** |
| Positive reviews | 14.3% of reviews | **64.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 88 MB | 96 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SKILLS Global LLC](https://appshunter.io/developer/1222378729) | [TallyFlex LLC](https://appshunter.io/developer/1531412974) |

## What reviewers say

### Skills® LogBook

[App page](https://appshunter.io/ios/app/skills-logbook/id906139997)

This application facilitates real-time data collection for applied behavior analysis (ABA) and tracks teaching outcomes. It offers seamless integration with a comprehensive ABA assessment tool, simplifying implementation for professionals and learners. The tool helps maximize clinical time by eliminating manual data collection and streamlining workflow.

**Highlights:** Real-time data collection, Instant progress tracking, Integration with Skills® For Autism, Evidence-based methodology, Offline work with auto-sync, Eliminates manual data collection

**Features:** macOS Compatibility

**In-app purchases:** none


### TallyFlex

[App page](https://appshunter.io/ios/app/tallyflex-aba-data-collection/id1531412972)

This app replaces paper data sheets for behavioral data collection. It helps professionals like BCBAs and RBTs work faster and more accurately with clients in clinics, schools, and homes. It offers various tracking methods and secure data export for reports.

**Highlights:** Replace paper data sheets, Track ABC data, frequency, duration, latency, Automatic timers for interval recording, Task analysis and prompt codes, Track multiple behaviors simultaneously, Export data to PDF, CSV, XLSX, Works offline

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TallyFlex Solo Monthly | $27.99 | per month |
| Solo Yearly | $279.99 | per year |

**What reviewers like**

- 👍 Easy to use and user-friendly
- 🚀 Quick data collection
- 📊 Visual reports and data tracking
- 💡 Customizable behavior tracking
- ✅ Great for RBTs and BCBAs

**What reviewers complain about**

- 💰 Subscription model disliked
- 📉 Data export challenges
- 🐛 Calculation glitches
- 🤔 Lack of clear documentation/help
- 🚫 Inability to add/manage students (free version)

**Reported bugs**

- Calendar not showing current sessions
- Data export results in empty Excel sheet
- Calculations and percentages are unreliable
- Data stops being counted after a certain number of opportunities
- Exported data format for duration is hard to graph

**Requested features**

- Offer a 'lite' subscription for SLPAs/BCaBAs
- Add more data collection options/types (chaining, TAs, checklists)
- Allow uploading pre-made data sheets
- Add sound alerts for timers
- Ability to re-organize behaviors on screens


## Frequently asked questions

### Is Skills® LogBook free?

Skills® LogBook is free to download, with no in-app purchases.

### Is TallyFlex free?

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

### Which has better reviews, Skills® LogBook or TallyFlex?

TallyFlex is rated higher. Skills® LogBook averages 1.9 out of 5 from 7 ratings, while TallyFlex averages 4.3 from 88 ratings.

### Do Skills® LogBook or TallyFlex have ads?

Neither Skills® LogBook nor TallyFlex shows ads.

### Which is updated more often, Skills® LogBook or TallyFlex?

Skills® LogBook ships an update every 2 months, and TallyFlex every 10 days. Most recently, Skills® LogBook was updated on September 25, 2026 and TallyFlex on October 16, 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.*