# AutoForm SP vs Cluster2A

The clearest difference is in-app purchases: AutoForm SP at none against Cluster2A's 2. AutoForm SP also leads on device support (3 vs 1) and iOS requirement (11.0 vs 26.2). On price, update cadence and ads there is nothing between them.

Both are free to download. Cluster2A sells 2 one-off in-app purchases. AutoForm SP asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | AutoForm SP | Cluster2A |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/autoform-sp/id1249008606/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 30 MB | 9 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stantec Inc](https://appshunter.io/developer/1249008605) | [Chu-Yi Chang](https://appshunter.io/developer/943416679) |

## What reviewers say

### AutoForm SP

[App page](https://appshunter.io/ios/app/autoform-sp/id1249008606)

This cloud-based mobile app facilitates efficient data collection for clients and partners. It allows for the creation of custom forms, offline data review and correction, and secure syncing to a collaborative website for analysis and reporting.

**Highlights:** Intuitive touch interface for data collection, Offline data access and correction, GPS, Photos with mark-up, and signatures, Secure cloud syncing for collaboration, Library of existing form templates, Quick and easy form configuration

**In-app purchases:** none


### Cluster2A

[App page](https://appshunter.io/ios/app/cluster2a/id1544599436)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| K-means Model | $1.99 | one-time |
| DBSCAN Model | $1.99 | one-time |


## Frequently asked questions

### Is AutoForm SP free?

AutoForm SP is free to download, with no in-app purchases.

### Is Cluster2A free?

Cluster2A is free to download, with in-app purchases available.

### Do AutoForm SP or Cluster2A have ads?

Neither AutoForm SP nor Cluster2A shows ads.

### Which is updated more often, AutoForm SP or Cluster2A?

AutoForm SP ships an update every 3 months, and Cluster2A every 3 months. Most recently, AutoForm SP was updated on October 8, 2026 and Cluster2A on October 4, 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.*