Oji vs Fermi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Oji
Explore 21 conversation topics in Oji-Cree, featuring native speakers from Northern Ontario, Canada. This educational app helps users learn the language through authentic dialogue.
- 21 conversation topics
- Native speaker audio
- Northern Ontario dialects
- Educational language learning
- Community-based learning
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Discover 21 topics of conversation in Oji-Cree, featuring speakers from various communities in Northern Ontario, Canada.
Fermi
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An app to determine how good your estimation and problem solving skills are. This includes three different difficulties: Easy, Casual, and Advanced. You may find many similar questions asked in real competitions which is quite useful as this app will give you an advantage among peers. If you have any further questions or suggestions for the improvement, please feel free to contact our email which is located at the bottom of our privacy policy page.
Screenshots
Verdict
Oji and Fermi are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
Oji ships an update monthly, Fermi every 2 weeks. Both last shipped on November 3, 2026.
| Parameter | Oji | Fermi |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 107 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Marie-Odile Junker | Hui Jin |
In-app purchases
Oji
No in-app purchases
Fermi
No in-app purchases
