# SAPO vs SciSpace

The clearest difference is review sentiment: SAPO at 100% against SciSpace's 13%. SAPO also leads on iOS requirement (13.0 vs 15.1). SciSpace's advantage is in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SAPO sells 2 in-app purchases, starting at $2.99 per month. SciSpace asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on July 6, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SAPO | SciSpace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.2 (6 ratings)](https://appshunter.io/ios/app/scispace/id6742434138/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | **100.0% of reviews** | 12.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 62 MB | 78 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BIOMAXIMA INFORMACION Y EXPERIMENTACION CIENTIFICA SOCIEDAD LIMITADA](https://appshunter.io/developer/1794186533) | [PubGenius Inc.](https://appshunter.io/developer/1798128342) |

## What reviewers say

### SAPO

[App page](https://appshunter.io/ios/app/sapo-ai-statistical-assistant/id6741438601)

This app offers advanced statistical analysis tools for researchers and students. It includes guided test selection, modeling, data visualization, and an AI assistant for interpretation. Generate publication-ready reports and calculate sample sizes.

**Highlights:** Statistical Test Guidance, Advanced Modeling Tools, Integrated AI Assistant, Database Manager, Sample Size Calculator, Automatic PDF Reports, Data Visualization

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $2.99 | per month |
| Yearly subscription | $22.99 | per year |


### SciSpace

[App page](https://appshunter.io/ios/app/scispace/id6742434138)

This AI-powered research companion helps academics, researchers, and students accelerate literature reviews. It allows users to search millions of papers using natural language, extract key insights from documents, and receive citation-backed answers to their queries.

**Highlights:** AI-powered semantic search, Instant paper insights extraction, Citation-backed answers, Access to 270+ million papers, Multilingual support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SAPO free?

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

### Is SciSpace free?

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

### Do SAPO or SciSpace have ads?

Neither SAPO nor SciSpace shows ads.

### Which is updated more often, SAPO or SciSpace?

SAPO ships an update fortnightly, and SciSpace fortnightly. Most recently, SAPO was updated on July 6, 2026 and SciSpace on September 9, 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.*