# Twab vs REED Smart Series

The clearest difference is in-app purchases: REED Smart Series at none against Twab's 3. REED Smart Series also leads on ads (none vs shown) and iOS requirement (13.0 vs 15). On price, update cadence and device support there is nothing between them.

Both are free to download. Twab sells 3 in-app purchases, starting at $2.99 per month. REED Smart Series asks for nothing beyond the download.

Twab ships an update every 5 weeks, REED Smart Series monthly. The most recent releases landed on October 19, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Twab | REED Smart Series |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 20 MB | 8 MB |
| Requires iOS | 15 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dimitrios Chasapis](https://appshunter.io/developer/1561308640) | [Instruments I.T.M. Inc, Les](https://appshunter.io/developer/1584606189) |

## What reviewers say

### Twab

[App page](https://appshunter.io/ios/app/twab/id1561308638)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 month | $2.99 | per month |
| Premium 3 months | $6.99 | per 3 months |
| Premium 12 months | $20.49 | per year |


### REED Smart Series

[App page](https://appshunter.io/ios/app/reed-smart-series/id1584606187)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Twab free?

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

### Is REED Smart Series free?

REED Smart Series is free to download, with no in-app purchases.

### Do Twab or REED Smart Series have ads?

Twab shows ads; REED Smart Series does not.

### Which is updated more often, Twab or REED Smart Series?

Twab ships an update every 5 weeks, and REED Smart Series monthly. Most recently, Twab was updated on October 19, 2026 and REED Smart Series on October 25, 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.*