Kikishiru vs Leleta
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kikishiru
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The bird you just heard has a name. Kikishiru listens to the birds around you and helps you learn their names. On a walk, outside a window, on a park bench—when you wonder “what bird is that?”, open the app and just wait. For a call that’s close and clear, it suggests a name within seconds: Confident when it can say so, Maybe with the likeliest candidates when it can’t, and no name at all when it still doesn’t know. Nothing special to do. No need to aim or fuss—just wait for a bird to call clearly. Kikishiru is made for the birds of Japan—not a little of every bird in the world, but the ones you actually hear here. ■ Hear it, and know it ・Identify calls on the spot. You can also identify birds from a recording or a travel video. ・Recent calls stay for a few days; the ones you keep live on in “My Field Guide.” Species by species, a photo and a short note help you learn each name. ■ From your wrist, with Apple Watch ・Listen and get a name on Apple Watch alone—no need to take out your iPhone—learning names as you walk. A fine companion for walks and hikes. ・To look back through your field guide, use your iPhone. ■ Only on your device ・Identification runs entirely on your device. No account, no ads, no tracking. Your audio never leaves it. We pass by, calling anything in the sky simply “a bird.” Yet each one has its own name—the sparrow, the bulbul, the Japanese tit. The moment you know the name, that call stops being background noise and takes a definite place in the world. Your world grows a little more detailed, quietly. “There is no such thing as a weed”—every plant, and every bird, has a name. Long ago in Japan, people listened for the turn of the seasons in the calls of birds and insects. Kikishiru carries that ear into today’s walks. Hear, and know. That’s what Kikishiru is here for. ※ Support for singing insects is on the way.
Leleta
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参考書のような英単語アプリです。TOEICに出る1500語を、4択クイズ、赤シート、手書き練習で覚えられます。単語と例文の読み上げに対応し、聞き取って答えるリスニング出題も選べます。広告なし、登録不要、オフラインで動作します。
Screenshots
Verdict
Kikishiru and Leleta 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.
Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on October 31, 2026.
| Parameter | Kikishiru | Leleta |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.6 |
| Further details — not scored | ||
| Size | 165 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Shuichi Kodama | tatsuya osawa |
In-app purchases
Kikishiru
No in-app purchases
Leleta
No in-app purchases









