# Teachme Biz vs SDM Dialer

The clearest difference is update cadence: Teachme Biz at every 8 days against SDM Dialer's every 3 months. SDM Dialer's advantage is iOS requirement (10.0 vs 17.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Teachme Biz ships an update every 8 days, SDM Dialer every 3 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Teachme Biz | SDM Dialer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 9.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 months |
| Monetization | Free | — |
| Size | 63 MB | 3 MB |
| Requires iOS | 17.4 | **10.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Studist Corporation](https://appshunter.io/developer/519384957) | [ISB Corporation](https://appshunter.io/developer/318273730) |

## What reviewers say

### Teachme Biz

[App page](https://appshunter.io/ios/app/teachme-biz/id683050928)

Easily create step-by-step manuals using photos and text. Share your guides online with your team, allowing for collaborative editing and updates. Features include a message function for help and a 'Good job' feature for appreciation.

**Highlights:** Create step manuals with photos, Add text explanations, Share manuals online, Collaborative editing, Message and appreciation features, Works on smartphone, tablet, and PC

**In-app purchases:** none


### SDM Dialer

[App page](https://appshunter.io/ios/app/sdm-dialer/id751183889)

**In-app purchases:** none


## Frequently asked questions

### Is Teachme Biz free?

Teachme Biz is free to download, with no in-app purchases.

### Is SDM Dialer free?

SDM Dialer is free to download, with no in-app purchases.

### Do Teachme Biz or SDM Dialer have ads?

Neither Teachme Biz nor SDM Dialer shows ads.

### Which is updated more often, Teachme Biz or SDM Dialer?

Teachme Biz ships an update every 8 days, and SDM Dialer every 3 months. Most recently, Teachme Biz was updated on October 29, 2026 and SDM Dialer on October 26, 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.*