Thirdmill vs Greystone
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Thirdmill
Access a vast library of biblical and theological content through video, audio, and text. This app allows for on-the-go learning and exploration of religious studies.
- Bible exploration
- Theology resources
- Video content
- Audio content
- Reading materials
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Explore the Bible and theology on the go. Watch. Listen. Read. For more information about Third Millennium Ministries, please visit: thirdmill.org Mobile app version: 6.18.1
Greystone
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The app of Greystone Theological Institute, providing a rapidly growing library of thousands of hours of video and audio resources in Reformed theology, biblical studies, ethics, ministry, and spiritual formation, plus texts, live-streamed seminars, workshops, and other events. Enjoy a limited offering of free content, or subscribe for access to all content. Privacy Policy: https://www.greystoneinstitute.org/privacy-policy Terms of Service: https://treefortsystems.com/terms-of-service
Screenshots
Verdict
The clearest difference is in-app purchases: Thirdmill at none against Greystone's 3. On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Greystone sells 3 in-app purchases, starting at $17.99 per month. Thirdmill asks for nothing beyond the download.
Thirdmill ships an update every 4 months, Greystone every 3 months. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.
| Parameter | Thirdmill | Greystone |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (13 ratings) — better | — |
| Positive reviews | 84.6% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 50 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Third Millennium Ministries, Inc. | Greystone Theological Institute |
In-app purchases
Thirdmill
No in-app purchases
Greystone
- Greystone Monthly Membership$17.991 Month
- Greystone Membership Plus$29.991 Month
- Greystone Annual Membership$197.991 Year
