NerLan vs Wait, Professor
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
NerLan
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NerLan is a podcast player built for people learning a language by listening. Subscribe to any show by pasting an Apple Podcasts link or an RSS address, then play it with the controls a learner actually needs: variable speed from 0.5x to 2x, repeat one or repeat all, precise skip, and a lock screen and Control Center that move between episodes rather than nudging fifteen seconds at a time. Then study what you heard. TRANSCRIPTS THAT FOLLOW ALONG Generate a transcript of any episode and the sentence being spoken stays highlighted and centred as the audio plays. Tap a line to jump straight to it, or loop a single sentence until it sticks. TRANSLATION Render the transcript into your language, sentence by sentence, and read it alongside the original. Generated once and kept, so re-reading costs nothing. STUDY HANDOUTS Turn an episode into a review sheet - overview, grammar points, example sentences, and vocabulary - drawn from its own transcript. Examples stay in the language you are studying, glossed in the language you choose. SHADOWING PRACTICE Loop a sentence, record yourself reading it aloud, and play your version back against the original. LISTEN OFFLINE Download episodes for the commute, or let anything you stream to the end be kept automatically. Downloads are grouped by show and language, filterable, and available with no signal. WIDGETS Up Next, Latest Episode, My Shows, and a listening-streak widget for the Home and Lock Screen - all playable without opening the app. SIRI "Play [show] in NerLan", resume where you left off, change the speed, or ask how long you have listened this week. Give a show a nickname Siri can actually hear when its real title is in a script Siri does not speak. YOUR AI, YOUR CHOICE AI features are optional and run on credentials you provide - either an OpenAI API key billed to your own account, or your own OpenAI-compatible server, including one on your own machine. Your key is kept in the device keychain. PRIVATE BY CONSTRUCTION No account, no sign-up, no analytics, no advertising, no tracking, and no third-party SDKs. There is no NerLan server, so there is nowhere for your listening to be sent. Optional iCloud sync writes to your own account so your library survives a reinstall; audio is never synced. NerLan plays podcasts from their own public feeds. All audio content belongs to its publishers.
Wait, Professor
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You read the same paragraph five times and none of it stays. That is not a you problem. Textbooks are written to be accurate, not to be understood. Wait, Professor gives you a second voice for the exact moment a sentence stops making sense. WHAT IT IS Two tutors in one lesson. Thorne teaches the topic straight, at full depth, nothing watered down. Mila is the one you tap when a sentence lands wrong. She says the same idea again in plain words, then again as an analogy if you need it. She never sighs at you, and she never runs out of patience at 2am. WHO IT IS FOR Students buried in dense material, self-taught developers lost in documentation, and anyone whose brain goes left when the lecturer goes right. If you have ever wanted to put your hand up and say wait, go back, this was built for you. WHAT IT FIXES - Nothing sticks. Every lesson stops to ask you a question, so you find out what you missed now instead of in the exam hall. - Walls of text. Lessons arrive in small pieces you tap through, not one long answer you have to survive. - Nothing to show for it. Each lesson ends with a recap built from the places you asked Mila for help, plus a plan for when to review them. - No time to set anything up. No deck to build, no files to upload, no prompt to get right. HOW IT WORKS - Type any topic. The Krebs cycle, recursion, options pricing, whatever is in front of you. - Answer a few short questions so the course fits what you already know. - Get a real course, lesson by lesson, in the order the subject needs. - Tap Mila for the plain version. Tap Thorne to keep moving. - Answer the checkpoint at the end of each lesson. - Keep the recap. Your courses stay on your shelf and reopen for free. PRICING Three days free, then one subscription, monthly or yearly, covering every course you make. No ads, no locked lessons, no per-course fee, no feature held back for a higher tier. We charge after the trial because every lesson is written by a paid AI model, so there is no permanently free tier and nothing gets drip-fed later. Lessons are generated by an AI model and can be wrong. Check anything that matters against your own course material. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://waitprofessor.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: NerLan at none against Wait, Professor's 2. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Wait, Professor sells 2 in-app purchases, starting at $19.99 per month. NerLan asks for nothing beyond the download.
| Parameter | NerLan | Wait, Professor |
|---|---|---|
| Price | Free | Free |
| Update frequency | โ | Every 6 days |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details โ not scored | ||
| Size | 3 MB | 11 MB |
| Age rating | 17+ | 4+ |
| Developer | MAO YUAN KAO | Teimur Gasanov |
In-app purchases
NerLan
No in-app purchases
Wait, Professor
- Monthly Subscription3 Days trial$19.991 Month
- Yearly Subscription3 Days trial$119.991 Year









