# References vs PlanMeasure

The clearest difference is price: PlanMeasure at Free against References's $4.99. PlanMeasure also leads on update cadence (every 11 days vs monthly). References's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On ads and iOS requirement there is nothing between them.

PlanMeasure is free to download; References costs $4.99 up front. PlanMeasure sells 1 in-app purchase, starting at $0.99 per month. References asks for nothing beyond the download.

References ships an update monthly, PlanMeasure every 11 days. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | References | PlanMeasure |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.9 (25 ratings)](https://appshunter.io/ios/app/references/id1481843213/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 88.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Paid | — |
| Size | 87 MB | 4 MB |
| Requires iOS | **26.0** | 26.2 |
| Devices | **iPhone, iPad, Mac, Vision Pro** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Benjamin Burton](https://appshunter.io/developer/687735578) | [Niklaus Olsen](https://appshunter.io/developer/1853229560) |

## What reviewers say

### References

[App page](https://appshunter.io/ios/app/references/id1481843213)

Browse and interact with your BibTeX libraries on your mobile device. View references, follow links, and access file attachments like PDFs. Supports both classic BibTeX and BibLaTeX formats.

**Highlights:** Browse BibTeX libraries, Search references, Follow links (DOIs, URLs), View file attachments (PDFs), Supports BibLaTeX, Group by keywords

**In-app purchases:** none


### PlanMeasure

[App page](https://appshunter.io/ios/app/planmeasure/id6769869930)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlanMeasure Pro | $0.99 | per month |


## Frequently asked questions

### Is References free?

References costs $4.99, with no in-app purchases.

### Is PlanMeasure free?

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

### Do References or PlanMeasure have ads?

Neither References nor PlanMeasure shows ads.

### Which is updated more often, References or PlanMeasure?

References ships an update monthly, and PlanMeasure every 11 days. Most recently, References was updated on October 14, 2026 and PlanMeasure on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*